Merge pull request #17743 from Shadowghost/migration-logging

Add progress logging to data migrations
Merge pull request #17750 from Shadowghost/refresh-people-ordering
2026-08-31 17:49:14 -04:00 · 2026-08-31 17:48:21 -04:00 · 2026-08-31 17:47:33 -04:00 · 2026-08-31 17:46:30 -04:00 · 2026-08-31 15:19:08 -04:00 · 2026-08-31 20:44:41 +02:00
260 changed files with 17718 additions and 1712 deletions
@@ -3,7 +3,7 @@
  "isRoot": true,
  "tools": {
    "dotnet-ef": {
-      "version": "10.0.10",
+      "version": "10.0.11",
      "commands": [
        "dotnet-ef"
      ]
@@ -32,13 +32,13 @@ jobs:
        dotnet-version: '10.0.x'

    - name: Initialize CodeQL
-      uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
+      uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
      with:
        languages: ${{ matrix.language }}
        queries: +security-extended

    - name: Autobuild
-      uses: github/codeql-action/autobuild@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
+      uses: github/codeql-action/autobuild@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7

    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
+      uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
@@ -143,6 +143,7 @@
 - [Smith00101010](https://github.com/Smith00101010)
 - [sorinyo2004](https://github.com/sorinyo2004)
 - [Soumyadip Auddy](https://github.com/SoumyadipAuddy)
+ - [st7105](https://github.com/st7105)
 - [sparky8251](https://github.com/sparky8251)
 - [spookbits](https://github.com/spookbits)
 - [ssenart](https://github.com/ssenart)
@@ -236,6 +237,9 @@
 - [Lampan-git](https://github.com/Lampan-git)
 - [elio42](https://github.com/elio42)
 - [rwebster85](https://github.com/rwebster85)
+ - [Florin-Popescu](https://github.com/Florin-Popescu)
+ - [m0g3r](https://github.com/m0g3r)
+ - [martin-77](https://github.com/martin-77)

 # Emby Contributors

@@ -246,7 +250,7 @@
 - [Mark2xv](https://github.com/Mark2xv)
 - [ScottRapsey](https://github.com/ScottRapsey)
 - [skynet600](https://github.com/skynet600)
- - [Cheesegeezer](https://githum.com/Cheesegeezer)
+ - [Cheesegeezer](https://github.com/Cheesegeezer)
 - [Radeon](https://github.com/radeonorama)
 - [gcw07](https://github.com/gcw07)
 - [SivaramAdhiappan](https://github.com/shivaram1190)
@@ -26,28 +26,28 @@
    <PackageVersion Include="libse" Version="4.0.12" />
    <PackageVersion Include="LrcParser" Version="2025.623.0" />
    <PackageVersion Include="MetaBrainz.MusicBrainz" Version="8.0.1" />
-    <PackageVersion Include="Microsoft.AspNetCore.Authorization" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.10" />
+    <PackageVersion Include="Microsoft.AspNetCore.Authorization" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.11" />
    <PackageVersion Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="5.6.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="5.6.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="5.6.0" />
-    <PackageVersion Include="Microsoft.Data.Sqlite" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Caching.Abstractions" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Http" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Options" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="5.9.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="5.9.0" />
+    <PackageVersion Include="Microsoft.Data.Sqlite" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Caching.Abstractions" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Http" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.Extensions.Options" Version="10.0.11" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
    <PackageVersion Include="MimeTypes" Version="2.5.2" />
    <PackageVersion Include="Morestachio" Version="5.0.1.670" />
    <PackageVersion Include="Moq" Version="4.18.4" />
@@ -68,7 +68,7 @@
    <PackageVersion Include="Serilog.Sinks.File" Version="7.0.0" />
    <PackageVersion Include="Serilog.Sinks.Graylog" Version="3.1.1" />
    <PackageVersion Include="SerilogAnalyzer" Version="0.15.0" />
-    <PackageVersion Include="SharpCompress" Version="0.50.1" />
+    <PackageVersion Include="SharpCompress" Version="0.50.4" />
    <PackageVersion Include="SharpFuzz" Version="2.3.0" />
    <PackageVersion Include="SkiaSharp" Version="3.119.4" />
    <PackageVersion Include="SkiaSharp.HarfBuzz" Version="3.119.4" />
@@ -78,11 +78,11 @@
    <PackageVersion Include="Svg.Skia" Version="3.7.0" />
    <PackageVersion Include="Swashbuckle.AspNetCore.ReDoc" Version="10.2.3" />
    <PackageVersion Include="Swashbuckle.AspNetCore" Version="10.2.3" />
-    <PackageVersion Include="System.Text.Json" Version="10.0.10" />
+    <PackageVersion Include="System.Text.Json" Version="10.0.11" />
    <PackageVersion Include="TagLibSharp" Version="2.3.0" />
-    <PackageVersion Include="z440.atl.core" Version="7.15.3" />
+    <PackageVersion Include="z440.atl.core" Version="7.16.0" />
    <PackageVersion Include="TMDbLib" Version="3.0.0" />
-    <PackageVersion Include="UTF.Unknown" Version="2.6.0" />
+    <PackageVersion Include="UTF.Unknown" Version="2.7.0" />
    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
    <PackageVersion Include="xunit.v3" Version="3.2.2" />
    <PackageVersion Include="Xunit.v3.Priority" Version="1.1.18" />
@@ -151,7 +151,7 @@ namespace Emby.Naming.Common

            CleanStrings =
            [
-                @"^\s*(?<cleaned>.+?)[ _\,\.\(\)\[\]\-](3d|sbs|tab|hsbs|htab|mvc|HDR|HDC|UHD|UltraHD|4k|ac3|dts|custom|dc|divx|divx5|dsr|dsrip|dutch|dvd|dvdrip|dvdscr|dvdscreener|screener|dvdivx|cam|fragment|fs|hdtv|hdrip|hdtvrip|internal|limited|multi|subs|ntsc|ogg|ogm|pal|pdtv|proper|repack|rerip|retail|cd[1-9]|r5|bd5|bd|se|svcd|swedish|german|read.nfo|nfofix|unrated|ws|telesync|ts|telecine|tc|brrip|bdrip|480p|480i|576p|576i|720p|720i|1080p|1080i|2160p|hrhd|hrhdtv|hddvd|bluray|blu-ray|x264|x265|h264|h265|xvid|xvidvd|xxx|www.www|AAC|DTS)(?=[ _\,\.\(\)\[\]\-]|$)",
+                @"^\s*(?<cleaned>.+?)[ _\,\.\(\)\[\]\-](3d|sbs|tab|hsbs|htab|mvc|HDR|HDC|UHD|UltraHD|4k|ac3|dts|custom|dc|divx|divx5|dsr|dsrip|dutch|dvd|dvdrip|dvdscr|dvdscreener|screener|dvdivx|cam|fragment|fs|hdtv|hdrip|hdtvrip|internal|limited|multi|subs|ntsc|ogg|ogm|pal|pdtv|proper|repack|rerip|retail|cd[1-9]|r5|bd5|bd|se|svcd|swedish|german|read.nfo|nfofix|unrated|ws|web-dl|telesync|ts|telecine|tc|brrip|bdrip|480p|480i|576p|576i|720p|720i|1080p|1080i|2160p|hrhd|hrhdtv|hddvd|bluray|blu-ray|x264|x265|h264|h265|xvid|xvidvd|xxx|www.www|AAC|DTS)(?=[ _\,\.\(\)\[\]\-]|$)",
                @"^\s*(?<cleaned>.+?)((\s*\[[^\]]+\]\s*)+)(\.[^\s]+)?$",
                @"^\s*(?<cleaned>.+?)\WE[0-9]+(-|~)E?[0-9]+(\W|$)",
                @"^\s*\[[^\]]+\](?!\.\w+$)\s*(?<cleaned>.+)",
@@ -107,7 +107,8 @@ namespace Emby.Server.Implementations.Collections
                SaveLocalMetadata = true
            };

-            var name = _localizationManager.GetLocalizedString("Collections");
+            // This names a library for the whole server, so ignore the requesting client's language.
+            var name = _localizationManager.GetServerLocalizedString("Collections");

            await _libraryManager.AddVirtualFolder(name, CollectionTypeOptions.boxsets, libraryOptions, true).ConfigureAwait(false);

@@ -192,7 +192,7 @@ namespace Emby.Server.Implementations.Dto
                var folderIds = accessibleItems.OfType<Folder>().Select(f => f.Id).ToList();
                if (folderIds.Count > 0)
                {
-                    childCountBatch = _libraryManager.GetChildCountBatch(folderIds, user?.Id);
+                    childCountBatch = _libraryManager.GetChildCountBatch(folderIds, user);
                }
            }

@@ -242,6 +242,29 @@ namespace Emby.Server.Implementations.Dto
                artistsBatch = _libraryManager.GetArtists(artistNames.ToArray());
            }

+            // Batch-fetch people across all items to avoid one GetPeople query per item.
+            IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>>? peopleBatch = null;
+            if (options.ContainsField(ItemFields.People))
+            {
+                var peopleItemIds = accessibleItems.Where(i => i.SupportsPeople).Select(i => i.Id).ToList();
+                if (peopleItemIds.Count > 0)
+                {
+                    peopleBatch = _libraryManager.GetPeopleByItems(peopleItemIds);
+                }
+            }
+
+            // Batch-detect which videos own alternate versions to avoid the per-item alternate-version
+            // queries in MediaSourceCount. Videos absent from this set have a single media source.
+            IReadOnlySet<Guid>? alternateVersionItemIds = null;
+            if (options.ContainsField(ItemFields.MediaSourceCount))
+            {
+                var versionItemIds = accessibleItems.OfType<Video>().Select(i => i.Id).ToList();
+                if (versionItemIds.Count > 0)
+                {
+                    alternateVersionItemIds = _libraryManager.GetItemIdsWithAlternateVersions(versionItemIds);
+                }
+            }
+
            for (int index = 0; index < accessibleItems.Count; index++)
            {
                var item = accessibleItems[index];
@@ -255,7 +278,9 @@ namespace Emby.Server.Implementations.Dto
                    childCountBatch,
                    playedCountBatch,
                    artistsBatch,
-                    resumeDataBatch?.GetValueOrDefault(item.Id));
+                    resumeDataBatch?.GetValueOrDefault(item.Id),
+                    peopleBatch,
+                    alternateVersionItemIds);

                if (item is LiveTvChannel tvChannel)
                {
@@ -317,7 +342,9 @@ namespace Emby.Server.Implementations.Dto
            Dictionary<Guid, int>? childCountBatch = null,
            Dictionary<Guid, (int Played, int Total)>? playedCountBatch = null,
            IReadOnlyDictionary<string, MusicArtist[]>? artistsBatch = null,
-            VersionResumeData? resumeData = null)
+            VersionResumeData? resumeData = null,
+            IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>>? peopleBatch = null,
+            IReadOnlySet<Guid>? alternateVersionItemIds = null)
        {
            var dto = new BaseItemDto
            {
@@ -331,7 +358,15 @@ namespace Emby.Server.Implementations.Dto

            if (options.ContainsField(ItemFields.People))
            {
-                AttachPeople(dto, item, user);
+                IReadOnlyList<PersonInfo>? prefetchedPeople = null;
+                if (peopleBatch is not null)
+                {
+                    // The batch omits items with no people, so a miss means "no people",
+                    // not "not fetched". Use an empty list to skip the per-item query.
+                    prefetchedPeople = peopleBatch.GetValueOrDefault(item.Id) ?? [];
+                }
+
+                AttachPeople(dto, item, user, prefetchedPeople);
            }

            if (options.ContainsField(ItemFields.PrimaryImageAspectRatio))
@@ -378,7 +413,7 @@ namespace Emby.Server.Implementations.Dto
                AttachStudios(dto, item);
            }

-            AttachBasicFields(dto, item, owner, options, artistsBatch, user);
+            AttachBasicFields(dto, item, owner, options, artistsBatch, user, alternateVersionItemIds);

            if (options.ContainsField(ItemFields.CanDelete))
            {
@@ -576,7 +611,11 @@ namespace Emby.Server.Implementations.Dto
                    // For these types we can try to optimize and assume these values will be equal
                    if (item is MusicAlbum || item is Season || item is Playlist)
                    {
-                        dto.ChildCount = dto.RecursiveItemCount;
+                        if (dto.RecursiveItemCount > 0)
+                        {
+                            dto.ChildCount = dto.RecursiveItemCount;
+                        }
+
                        var folderChildCount = folder.LinkedChildren.Length;
                        // The default is an empty array, so we can't reliably use the count when it's empty
                        if (folderChildCount > 0)
@@ -661,7 +700,8 @@ namespace Emby.Server.Implementations.Dto
                return count;
            }

-            // Fall back to individual query for special cases (Series, Season, etc.)
+            // Only reached when no batch was computed: the batch holds an entry for every folder it
+            // was asked about, zero included.
            return folder.GetChildCount(user);
        }

@@ -742,12 +782,18 @@ namespace Emby.Server.Implementations.Dto
        /// <param name="dto">The dto.</param>
        /// <param name="item">The item.</param>
        /// <param name="user">The requesting user.</param>
-        private void AttachPeople(BaseItemDto dto, BaseItem item, User? user = null)
+        /// <param name="prefetchedPeople">People fetched in batch by the caller; when null the people are queried per item.</param>
+        private void AttachPeople(BaseItemDto dto, BaseItem item, User? user = null, IReadOnlyList<PersonInfo>? prefetchedPeople = null)
        {
+            // When rendering a page of items the caller batch-fetches people for every item up
+            // front and passes them in, avoiding one GetPeople query per item. Fall back to the
+            // per-item query for the single item path where no batch is available.
+            var source = prefetchedPeople ?? _libraryManager.GetPeople(item);
+
            // Ordering by person type to ensure actors and artists are at the front.
            // This is taking advantage of the fact that they both begin with A
            // This should be improved in the future
-            var people = _libraryManager.GetPeople(item).OrderBy(i => i.SortOrder ?? int.MaxValue)
+            var people = source.OrderBy(i => i.SortOrder ?? int.MaxValue)
                .ThenBy(i =>
                {
                    if (i.IsType(PersonKind.Actor))
@@ -957,7 +1003,8 @@ namespace Emby.Server.Implementations.Dto
        /// <param name="options">The options.</param>
        /// <param name="artistsBatch">Optional pre-fetched artist lookup shared across a batch of items.</param>
        /// <param name="user">The user, for per-user values such as the accessible media source count.</param>
-        private void AttachBasicFields(BaseItemDto dto, BaseItem item, BaseItem? owner, DtoOptions options, IReadOnlyDictionary<string, MusicArtist[]>? artistsBatch = null, User? user = null)
+        /// <param name="alternateVersionItemIds">Optional pre-fetched set of item IDs that own alternate versions, shared across a batch of items.</param>
+        private void AttachBasicFields(BaseItemDto dto, BaseItem item, BaseItem? owner, DtoOptions options, IReadOnlyDictionary<string, MusicArtist[]>? artistsBatch = null, User? user = null, IReadOnlySet<Guid>? alternateVersionItemIds = null)
        {
            if (options.ContainsField(ItemFields.DateCreated))
            {
@@ -1271,15 +1318,27 @@ namespace Emby.Server.Implementations.Dto

                if (options.ContainsField(ItemFields.MediaSourceCount))
                {
-                    // Match the per-user filtering of the media sources: versions the user cannot
-                    // access are not selectable, so they must not count towards the badge either.
-                    var mediaSourceCount = user is null
-                        || (!video.PrimaryVersionId.HasValue && video.LinkedAlternateVersions.Length == 0 && !video.HasLocalAlternateVersions)
-                            ? video.MediaSourceCount
-                            : video.GetAllVersions().Count(v => v.Id.Equals(video.Id) || v.IsVisibleStandalone(user));
-                    if (mediaSourceCount != 1)
+                    // A video with no primary version and no alternate versions always has a single
+                    // media source. Only compute the count for videos that might have more: a primary
+                    // version, or membership in the batch's set of items that own alternate versions.
+                    // Without the batch we can't rule it out, so fall back to computing (the single-item
+                    // path). Everything else is the common case and keeps the default count of one.
+                    var mayHaveAlternateVersions = alternateVersionItemIds is null
+                        || video.PrimaryVersionId.HasValue
+                        || alternateVersionItemIds.Contains(video.Id);
+
+                    if (mayHaveAlternateVersions)
                    {
-                        dto.MediaSourceCount = mediaSourceCount;
+                        // Match the per-user filtering of the media sources: versions the user cannot
+                        // access are not selectable, so they must not count towards the badge either.
+                        var mediaSourceCount = user is null
+                            || (!video.PrimaryVersionId.HasValue && video.LinkedAlternateVersions.Length == 0 && !video.HasLocalAlternateVersions)
+                                ? video.MediaSourceCount
+                                : video.GetAllVersions().Count(v => v.Id.Equals(video.Id) || v.IsVisibleStandalone(user));
+                        if (mediaSourceCount != 1)
+                        {
+                            dto.MediaSourceCount = mediaSourceCount;
+                        }
                    }
                }

@@ -412,6 +412,13 @@ namespace Emby.Server.Implementations.Library
            }

            _persistenceService.DeleteItem([.. pathMaps.Select(f => f.Item.Id)]);
+
+            // Evict the deleted items from the cache and announce each removal.
+            foreach (var (item, _, _) in pathMaps)
+            {
+                _cache.TryRemove(item.Id, out _);
+                ReportItemRemoved(item, item.GetOwner() ?? item.GetParent());
+            }
        }

        public void DeleteItem(BaseItem item, DeleteOptions options, BaseItem parent, bool notifyParentItem)
@@ -611,6 +618,12 @@ namespace Emby.Server.Implementations.Library
                folder.UserData = null;
            }

+            // Announce the descendants before the item itself.
+            foreach (var child in children)
+            {
+                ReportItemRemoved(child, item);
+            }
+
            ReportItemRemoved(item, parent);
        }

@@ -1732,9 +1745,9 @@ namespace Emby.Server.Implementations.Library
            return _countService.GetItemCountsForNameItem(kind, id, relatedItemKinds, query);
        }

-        public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, Guid? userId)
+        public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, User? user)
        {
-            return _countService.GetChildCountBatch(parentIds, userId);
+            return _countService.GetChildCountBatch(parentIds, user);
        }

        /// <inheritdoc/>
@@ -1901,14 +1914,14 @@ namespace Emby.Server.Implementations.Library
            }

            // Optimize by querying against top level views
-            query.TopParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();
-            query.AncestorIds = [];
-
-            // Prevent searching in all libraries due to empty filter
-            if (query.TopParentIds.Length == 0)
+            var topParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();
+            if (topParentIds.Length == 0)
            {
-                query.TopParentIds = [Guid.NewGuid()];
+                return;
            }
+
+            query.TopParentIds = topParentIds;
+            query.AncestorIds = [];
        }

        public QueryResult<(BaseItem Item, ItemCounts ItemCounts)> GetAlbumArtists(InternalItemsQuery query)
@@ -1954,12 +1967,15 @@ namespace Emby.Server.Implementations.Library
            if (parents.All(i => i is ICollectionFolder || i is UserView))
            {
                // Optimize by querying against top level views
-                query.TopParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();
+                var topParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();

-                // Prevent searching in all libraries due to empty filter
-                if (query.TopParentIds.Length == 0)
+                if (topParentIds.Length > 0)
                {
-                    query.TopParentIds = [Guid.NewGuid()];
+                    query.TopParentIds = topParentIds;
+                }
+                else
+                {
+                    SetAncestorIds(query, parents);
                }
            }
            else if (parents.Count == 1 && parents.First() is Folder folder
@@ -1968,34 +1984,31 @@ namespace Emby.Server.Implementations.Library
            {
                // Playlists and BoxSets store their contents in LinkedChildren and never
                // populate AncestorIds for those items, so a recursive AncestorIds query
-                // would return zero rows. Resolve to the linked child IDs up front and
-                // route through the existing indexed ItemIds filter.
-                query.ItemIds = folder.LinkedChildren
-                    .Where(lc => lc.ItemId.HasValue && !lc.ItemId.Value.IsEmpty())
-                    .Select(lc => lc.ItemId!.Value)
-                    .ToArray();
-
-                // Empty linked-children should still return empty rather than scanning everything.
-                if (query.ItemIds.Length == 0)
-                {
-                    query.ItemIds = [Guid.NewGuid()];
-                }
+                // would return zero rows. Filter by the descendant set instead, which follows
+                // the links and keeps descending, so a linked folder contributes what is below
+                // it as well - the episodes of a Series added to a collection, for example.
+                query.DescendantOfId = folder.Id;
            }
            else
            {
-                // We need to be able to query from any arbitrary ancestor up the tree
-                query.AncestorIds = parents.SelectMany(i => i.GetIdsForAncestorQuery()).ToArray();
-
-                // Prevent searching in all libraries due to empty filter
-                if (query.AncestorIds.Length == 0)
-                {
-                    query.AncestorIds = [Guid.NewGuid()];
-                }
+                SetAncestorIds(query, parents);
            }

            query.Parent = null;
        }

+        private static void SetAncestorIds(InternalItemsQuery query, IReadOnlyCollection<BaseItem> parents)
+        {
+            // We need to be able to query from any arbitrary ancestor up the tree
+            query.AncestorIds = parents.SelectMany(i => i.GetIdsForAncestorQuery()).ToArray();
+
+            // Prevent searching in all libraries due to empty filter
+            if (query.AncestorIds.Length == 0)
+            {
+                query.AncestorIds = [Guid.NewGuid()];
+            }
+        }
+
        private void AddUserToQuery(InternalItemsQuery query, User user, bool allowExternalContent = true)
        {
            if (query.User is null)
@@ -2234,6 +2247,12 @@ namespace Emby.Server.Implementations.Library
            return [];
        }

+        /// <inheritdoc />
+        public IReadOnlySet<Guid> GetItemIdsWithAlternateVersions(IReadOnlyList<Guid> itemIds)
+        {
+            return _linkedChildrenService.GetItemIdsWithAlternateVersions(itemIds);
+        }
+
        /// <inheritdoc />
        public void UpsertLinkedChild(Guid parentId, Guid childId, MediaBrowser.Controller.Entities.LinkedChildType childType)
        {
@@ -2376,6 +2395,7 @@ namespace Emby.Server.Implementations.Library
                            {
                                altVideo.OwnerId = video.Id;
                                altVideo.SetPrimaryVersionId(video.Id);
+                                altVideo.IsInMixedFolder = video.IsInMixedFolder;
                                // ResolveAlternateVersion only sees the alternate's primary file.
                                // If the alternate is itself a stack (e.g. 1080p part1 + part2),
                                // detect its parts from sibling files so its AdditionalParts persist.
@@ -2499,9 +2519,15 @@ namespace Emby.Server.Implementations.Library
                    }
                }

-                if (!File.Exists(image.Path))
+                if (string.IsNullOrEmpty(image.Path) || !File.Exists(image.Path))
                {
-                    _logger.LogWarning("Image not found at {ImagePath}", image.Path);
+                    _logger.LogWarning(
+                        "{ImageType} image for {ItemName} ({ItemId}) not found at \"{ImagePath}\", source was {SourcePath}",
+                        img.Type,
+                        item.Name,
+                        item.Id,
+                        image.Path,
+                        img.Path);
                    continue;
                }

@@ -2561,6 +2587,8 @@ namespace Emby.Server.Implementations.Library
                item.DateLastSaved = DateTime.UtcNow;
            }

+            ForgetDroppedLocalAlternateVersions(items);
+
            // Resolve and add any local alternate version items that don't exist yet
            // This ensures they exist in the database when LinkedChildren are processed
            var allItems = new List<BaseItem>(items);
@@ -2589,6 +2617,7 @@ namespace Emby.Server.Implementations.Library
                            {
                                altVideo.OwnerId = video.Id;
                                altVideo.SetPrimaryVersionId(video.Id);
+                                altVideo.IsInMixedFolder = video.IsInMixedFolder;
                                // ResolveAlternateVersion only sees the alternate's primary file.
                                // If the alternate is itself a stack (e.g. 1080p part1 + part2),
                                // detect its parts from sibling files so its AdditionalParts persist.
@@ -2649,6 +2678,30 @@ namespace Emby.Server.Implementations.Library
        public Task UpdateItemAsync(BaseItem item, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
            => UpdateItemsAsync([item], parent, updateReason, cancellationToken);

+        /// <summary>
+        /// Forgets the cached local alternate versions of the supplied items that they no longer list.
+        /// </summary>
+        /// <param name="items">The items about to be saved.</param>
+        private void ForgetDroppedLocalAlternateVersions(IReadOnlyList<BaseItem> items)
+        {
+            foreach (var video in items.OfType<Video>())
+            {
+                var videoType = video.GetType();
+                var keptIds = video.LocalAlternateVersions
+                    .Where(path => !string.IsNullOrEmpty(path))
+                    .Select(path => GetNewItemId(path, videoType))
+                    .ToHashSet();
+
+                foreach (var versionId in GetLocalAlternateVersionIds(video))
+                {
+                    if (!keptIds.Contains(versionId))
+                    {
+                        _cache.TryRemove(versionId, out _);
+                    }
+                }
+            }
+        }
+
        /// <inheritdoc />
        public async Task ReattachUserDataAsync(BaseItem item, CancellationToken cancellationToken)
        {
@@ -2872,7 +2925,8 @@ namespace Emby.Server.Implementations.Library
                "views",
                _fileSystem.GetValidFilename(viewType.ToString()));

-            var id = GetNewItemId(path + "_namedview_" + name, typeof(UserView));
+            // The display name is localized, so it must not take part in the id.
+            var id = GetNewItemId(path + "_namedview_" + viewType.ToString(), typeof(UserView));

            var item = GetItemById(id) as UserView;

@@ -2896,6 +2950,13 @@ namespace Emby.Server.Implementations.Library

                refresh = true;
            }
+            else if (!string.Equals(item.Name, name, StringComparison.Ordinal))
+            {
+                item.Name = name;
+                item.ForcedSortName = sortName;
+
+                refresh = true;
+            }

            if (refresh)
            {
@@ -2916,7 +2977,9 @@ namespace Emby.Server.Implementations.Library
            var parentIdString = parentId.IsEmpty()
                ? null
                : parentId.ToString("N", CultureInfo.InvariantCulture);
-            var idValues = "38_namedview_" + name + user.Id.ToString("N", CultureInfo.InvariantCulture) + (parentIdString ?? string.Empty) + (viewType?.ToString() ?? string.Empty);
+
+            // The name is either localized (grouped views) or the library folder's own name.
+            var idValues = "38_namedview_" + user.Id.ToString("N", CultureInfo.InvariantCulture) + (parentIdString ?? string.Empty) + (viewType?.ToString() ?? string.Empty);

            var id = GetNewItemId(idValues, typeof(UserView));

@@ -2946,6 +3009,11 @@ namespace Emby.Server.Implementations.Library

                isNew = true;
            }
+            else if (!string.Equals(item.Name, name, StringComparison.Ordinal))
+            {
+                item.Name = name;
+                item.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, CancellationToken.None).GetAwaiter().GetResult();
+            }

            var lastRefreshedUtc = item.DateLastRefreshed;
            var refresh = isNew || DateTime.UtcNow - lastRefreshedUtc >= _viewRefreshInterval;
@@ -3047,7 +3115,7 @@ namespace Emby.Server.Implementations.Library
            var parentIdString = parentId.IsEmpty()
                ? null
                : parentId.ToString("N", CultureInfo.InvariantCulture);
-            var idValues = "37_namedview_" + name + (parentIdString ?? string.Empty) + (viewType?.ToString() ?? string.Empty);
+            var idValues = "37_namedview_" + (parentIdString ?? string.Empty) + (viewType?.ToString() ?? string.Empty);
            if (!string.IsNullOrEmpty(uniqueId))
            {
                idValues += uniqueId;
@@ -3081,9 +3149,10 @@ namespace Emby.Server.Implementations.Library
                isNew = true;
            }

-            if (viewType != item.ViewType)
+            if (viewType != item.ViewType || !string.Equals(item.Name, name, StringComparison.Ordinal))
            {
                item.ViewType = viewType;
+                item.Name = name;
                item.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, CancellationToken.None).GetAwaiter().GetResult();
            }

@@ -3503,12 +3572,24 @@ namespace Emby.Server.Implementations.Library
            return _peopleRepository.GetPeopleNames(query);
        }

+        /// <inheritdoc/>
+        public int DeleteOrphanedCredits()
+        {
+            return _peopleRepository.DeleteOrphanedCredits();
+        }
+
        /// <inheritdoc/>
        public IReadOnlyDictionary<Guid, IReadOnlyList<string>> GetPeopleNamesByItems(IReadOnlyList<Guid> itemIds, IReadOnlyList<string> personTypes)
        {
            return _peopleRepository.GetPeopleNamesByItems(itemIds, personTypes);
        }

+        /// <inheritdoc/>
+        public IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>> GetPeopleByItems(IReadOnlyList<Guid> itemIds)
+        {
+            return _peopleRepository.GetPeopleByItems(itemIds);
+        }
+
        public void UpdatePeople(BaseItem item, List<PersonInfo> people)
        {
            UpdatePeopleAsync(item, people, CancellationToken.None).GetAwaiter().GetResult();
@@ -3542,7 +3623,20 @@ namespace Emby.Server.Implementations.Library

                    await item.UpdateToRepositoryAsync(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);

-                    return item.GetImageInfo(image.Type, imageIndex);
+                    var localImage = item.GetImageInfo(image.Type, imageIndex);
+                    if (localImage is null)
+                    {
+                        throw new InvalidOperationException(string.Format(
+                            CultureInfo.InvariantCulture,
+                            "Downloaded {0} image {1} from {2} is not attached to {3} ({4})",
+                            image.Type,
+                            imageIndex,
+                            url,
+                            item.Name,
+                            item.Id));
+                    }
+
+                    return localImage;
                }
                catch (HttpRequestException ex)
                {
@@ -3564,7 +3658,13 @@ namespace Emby.Server.Implementations.Library
                await item.UpdateToRepositoryAsync(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);
            }

-            throw new InvalidOperationException("Unable to convert any images to local");
+            throw new InvalidOperationException(string.Format(
+                CultureInfo.InvariantCulture,
+                "Unable to convert any {0} image url in \"{1}\" to a local file for {2} ({3})",
+                image.Type,
+                image.Path,
+                item.Name,
+                item.Id));
        }

        public async Task AddVirtualFolder(string name, CollectionTypeOptions? collectionType, LibraryOptions options, bool refreshLibrary)
@@ -3744,7 +3844,9 @@ namespace Emby.Server.Implementations.Library
            }

            var rootFolderPath = _configurationManager.ApplicationPaths.DefaultUserViewsPath;
-            var virtualFolderPath = Path.Combine(rootFolderPath, virtualFolderName);
+            var virtualFolderPath = FileSystemHelper.GetChildPath(rootFolderPath, virtualFolderName)
+                ?? throw new FileNotFoundException(
+                    string.Format(CultureInfo.InvariantCulture, "The media collection {0} does not exist", virtualFolderName));

            CreateShortcut(virtualFolderPath, pathInfo);

@@ -3765,7 +3867,9 @@ namespace Emby.Server.Implementations.Library
            ArgumentNullException.ThrowIfNull(mediaPath);

            var rootFolderPath = _configurationManager.ApplicationPaths.DefaultUserViewsPath;
-            var virtualFolderPath = Path.Combine(rootFolderPath, virtualFolderName);
+            var virtualFolderPath = FileSystemHelper.GetChildPath(rootFolderPath, virtualFolderName)
+                ?? throw new FileNotFoundException(
+                    string.Format(CultureInfo.InvariantCulture, "The media collection {0} does not exist", virtualFolderName));

            var libraryOptions = CollectionFolder.GetLibraryOptions(virtualFolderPath);

@@ -3804,9 +3908,9 @@ namespace Emby.Server.Implementations.Library

            var rootFolderPath = _configurationManager.ApplicationPaths.DefaultUserViewsPath;

-            var path = Path.Combine(rootFolderPath, name);
+            var path = FileSystemHelper.GetChildPath(rootFolderPath, name);

-            if (!Directory.Exists(path))
+            if (path is null || !Directory.Exists(path))
            {
                throw new FileNotFoundException("The media folder does not exist");
            }
@@ -3870,9 +3974,9 @@ namespace Emby.Server.Implementations.Library
            ArgumentException.ThrowIfNullOrEmpty(mediaPath);

            var rootFolderPath = _configurationManager.ApplicationPaths.DefaultUserViewsPath;
-            var virtualFolderPath = Path.Combine(rootFolderPath, virtualFolderName);
+            var virtualFolderPath = FileSystemHelper.GetChildPath(rootFolderPath, virtualFolderName);

-            if (!Directory.Exists(virtualFolderPath))
+            if (virtualFolderPath is null || !Directory.Exists(virtualFolderPath))
            {
                throw new FileNotFoundException(
                    string.Format(CultureInfo.InvariantCulture, "The media collection {0} does not exist", virtualFolderName));
@@ -99,7 +99,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                        args.LibraryOptions.SeasonZeroDisplayName :
                        string.Format(
                            CultureInfo.InvariantCulture,
-                            _localization.GetLocalizedString("NameSeasonNumber"),
+                            _localization.GetServerLocalizedString("NameSeasonNumber"),
                            seasonNumber,
                            args.LibraryOptions.PreferredMetadataLanguage);
                }
@@ -129,6 +129,17 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV

            var tmdbId = justName.GetAttributeValue("tmdbid");
            item.TrySetProviderId(MetadataProvider.Tmdb, tmdbId);
+
+            // Anime databases model a single cour as its own entry, so a multi-season
+            // series maps to one of these ids per season rather than one per series.
+            var anidbId = justName.GetAttributeValue("anidbid");
+            item.TrySetProviderId("AniDB", anidbId);
+
+            var aniListId = justName.GetAttributeValue("anilistid");
+            item.TrySetProviderId("AniList", aniListId);
+
+            var aniSearchId = justName.GetAttributeValue("anisearchid");
+            item.TrySetProviderId("AniSearch", aniSearchId);
        }
    }
 }
@@ -92,49 +92,45 @@ public class SearchManager : ISearchManager
        await Task.WhenAll(externalTask, internalTask).ConfigureAwait(false);

        var externalResults = await externalTask.ConfigureAwait(false);
-        var fromExternal = externalResults.Count > 0;
-        IReadOnlyList<SearchResult> results;
-        if (fromExternal)
-        {
-            results = externalResults;
-        }
-        else
-        {
-            results = await internalTask.ConfigureAwait(false);
-            if (_internalProviders.Length > 0)
-            {
-                _logger.LogDebug("No results from external providers, using internal provider results");
-            }
-        }

        // Internal providers apply user-access filtering inline in their queries. External
        // providers don't know about user permissions, so they may return IDs from hidden
-        // libraries or items the user is otherwise blocked from. Run the post-filter only
-        // when results came from externals to close that gap. The Items controller's second
-        // roundtrip via folder.GetItems applies most of these again, but it does not restrict
-        // by TopParentIds when ItemIds is set.
-        if (fromExternal && results.Count > 0 && query.UserId.HasValue && !query.UserId.Value.IsEmpty())
+        // libraries or items the user is otherwise blocked from. Filter them here to close
+        // that gap. The Items controller's second roundtrip via folder.GetItems applies most
+        // of these again, but it does not restrict by TopParentIds when ItemIds is set.
+        if (externalResults.Count > 0 && query.UserId.HasValue && !query.UserId.Value.IsEmpty())
        {
            var user = _userManager.GetUserById(query.UserId.Value);
            if (user is not null)
            {
-                results = await FilterByUserAccessAsync(results, user, cancellationToken).ConfigureAwait(false);
+                externalResults = await FilterByUserAccessAsync(externalResults, user, query, cancellationToken).ConfigureAwait(false);
            }
        }

-        return results;
+        if (externalResults.Count > 0)
+        {
+            return externalResults;
+        }
+
+        if (_internalProviders.Length > 0)
+        {
+            _logger.LogDebug("No results from external providers, using internal provider results");
+        }
+
+        return await internalTask.ConfigureAwait(false);
    }

    private async Task<IReadOnlyList<SearchResult>> FilterByUserAccessAsync(
        IReadOnlyList<SearchResult> candidates,
        User user,
+        SearchProviderQuery query,
        CancellationToken cancellationToken)
    {
-        // SetUser populates parental rating + blocked/allowed tags. ConfigureUserAccess populates
-        // TopParentIds for the user's accessible libraries — we call it before assigning ItemIds
-        // because LibraryManager.AddUserToQuery skips TopParentIds when ItemIds is non-empty.
-        var accessFilter = new InternalItemsQuery(user);
-        _libraryManager.ConfigureUserAccess(accessFilter, user);
+        // SetUser populates parental rating + blocked/allowed tags, Build populates TopParentIds
+        // for the user's accessible libraries. The candidate ids are applied to the query below
+        // rather than to the filter because LibraryManager.AddUserToQuery skips TopParentIds when
+        // ItemIds is non-empty.
+        var accessFilter = SearchQueryAccessFilter.Build(user, query, _libraryManager);

        Guid[] candidateIds = [.. candidates.Select(c => c.ItemId)];

@@ -147,17 +143,16 @@ public class SearchManager : ISearchManager

            baseQuery = _queryHelpers.ApplyAccessFiltering(dbContext, baseQuery, accessFilter);

-            var allowedCount = await baseQuery.CountAsync(cancellationToken).ConfigureAwait(false);
-            if (allowedCount == candidates.Count)
-            {
-                return candidates;
-            }
-
            var allowedIds = await baseQuery
                .Select(e => e.Id)
                .ToHashSetAsync(cancellationToken)
                .ConfigureAwait(false);

+            if (allowedIds.Count == candidates.Count)
+            {
+                return candidates;
+            }
+
            var filtered = candidates.Where(c => allowedIds.Contains(c.ItemId)).ToList();
            if (filtered.Count < candidates.Count)
            {
@@ -0,0 +1,38 @@
+using Jellyfin.Database.Implementations.Entities;
+using Jellyfin.Extensions;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+
+namespace Emby.Server.Implementations.Library.Search;
+
+/// <summary>
+/// Builds the access filter that decides which items a search may return for a user.
+/// </summary>
+internal static class SearchQueryAccessFilter
+{
+    /// <summary>
+    /// Builds an access filter carrying the search's library access and type filters.
+    /// </summary>
+    /// <param name="user">The user the search runs for.</param>
+    /// <param name="query">The search query.</param>
+    /// <param name="libraryManager">The library manager.</param>
+    /// <returns>The access filter.</returns>
+    public static InternalItemsQuery Build(User user, SearchProviderQuery query, ILibraryManager libraryManager)
+    {
+        // The type filters have to travel with the access filter: a by-name item belongs to no
+        // library, so it carries no TopParentId to match, and the library filter only knows to
+        // exempt it when the query says those types are wanted. A search scoped to a parent gets
+        // no exemption because a by-name item has no parent to descend from either.
+        var accessFilter = new InternalItemsQuery(user)
+        {
+            IncludeItemTypes = query.IncludeItemTypes,
+            ExcludeItemTypes = query.ExcludeItemTypes,
+            IncludeItemsByName = !query.ParentId.HasValue || query.ParentId.Value.IsEmpty()
+        };
+
+        // ConfigureUserAccess populates TopParentIds for the libraries the user may open.
+        libraryManager.ConfigureUserAccess(accessFilter, user);
+
+        return accessFilter;
+    }
+}
@@ -114,7 +114,7 @@ public class SqlSearchProvider : IInternalSearchProvider
            dbQuery = ApplyTypeFilter(dbQuery, query.IncludeItemTypes, query.ExcludeItemTypes);
            dbQuery = ApplyMediaTypeFilter(dbQuery, query.MediaTypes);
            dbQuery = ApplyParentFilter(dbQuery, query.ParentId);
-            dbQuery = ApplyUserAccessFilter(dbContext, dbQuery, query.UserId);
+            dbQuery = ApplyUserAccessFilter(dbContext, dbQuery, query);

            // Compute the score in SQL: the ternary translates to a CASE WHEN. CleanName is
            // the pre-normalized (lowercase, diacritic-stripped) form, so we score against it
@@ -196,8 +196,9 @@ public class SqlSearchProvider : IInternalSearchProvider
    private IQueryable<BaseItemEntity> ApplyUserAccessFilter(
        JellyfinDbContext dbContext,
        IQueryable<BaseItemEntity> query,
-        Guid? userId)
+        SearchProviderQuery searchQuery)
    {
+        var userId = searchQuery.UserId;
        if (!userId.HasValue || userId.Value.IsEmpty())
        {
            return query;
@@ -209,8 +210,7 @@ public class SqlSearchProvider : IInternalSearchProvider
            return query;
        }

-        var accessFilter = new InternalItemsQuery(user);
-        _libraryManager.ConfigureUserAccess(accessFilter, user);
+        var accessFilter = SearchQueryAccessFilter.Build(user, searchQuery, _libraryManager);
        return _queryHelpers.ApplyAccessFiltering(dbContext, query, accessFilter);
    }

@@ -0,0 +1,42 @@
+using Jellyfin.Data.Enums;
+using Jellyfin.Database.Implementations.Entities;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+
+namespace Emby.Server.Implementations.Library.SimilarItems;
+
+/// <summary>
+/// Builds the access filter that decides which items a similar-items lookup may return for a user.
+/// </summary>
+internal static class SimilarItemsAccessFilter
+{
+    private static readonly BaseItemKind[] _itemByNameKinds =
+    [
+        BaseItemKind.Person,
+        BaseItemKind.Genre,
+        BaseItemKind.MusicGenre,
+        BaseItemKind.MusicArtist,
+        BaseItemKind.Studio
+    ];
+
+    /// <summary>
+    /// Builds an access filter carrying the user's library access and parental restrictions.
+    /// </summary>
+    /// <param name="user">The user the lookup runs for.</param>
+    /// <param name="libraryManager">The library manager.</param>
+    /// <returns>The access filter.</returns>
+    public static InternalItemsQuery Build(User user, ILibraryManager libraryManager)
+    {
+        // IncludeItemTypes is read only for the by-name exemption here; the caller applies this
+        // filter through ApplyAccessFiltering, which does not translate it into a type restriction.
+        var accessFilter = new InternalItemsQuery(user)
+        {
+            IncludeItemTypes = _itemByNameKinds
+        };
+
+        // ConfigureUserAccess populates TopParentIds for the libraries the user may open.
+        libraryManager.ConfigureUserAccess(accessFilter, user);
+
+        return accessFilter;
+    }
+}
@@ -7,8 +7,10 @@ using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Data.Enums;
+using Jellyfin.Database.Implementations;
 using Jellyfin.Database.Implementations.Entities;
 using Jellyfin.Database.Implementations.Enums;
+using Jellyfin.Extensions;
 using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller;
@@ -16,11 +18,13 @@ using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Querying;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;

 namespace Emby.Server.Implementations.Library.SimilarItems;
@@ -35,6 +39,8 @@ public class SimilarItemsManager : ISimilarItemsManager
    private readonly ILibraryManager _libraryManager;
    private readonly IFileSystem _fileSystem;
    private readonly IServerConfigurationManager _serverConfigurationManager;
+    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
+    private readonly IItemQueryHelpers _queryHelpers;
    private ISimilarItemsProvider[] _similarItemsProviders = [];

    /// <summary>
@@ -45,18 +51,24 @@ public class SimilarItemsManager : ISimilarItemsManager
    /// <param name="libraryManager">The library manager.</param>
    /// <param name="fileSystem">The file system.</param>
    /// <param name="serverConfigurationManager">The server configuration manager.</param>
+    /// <param name="dbProvider">The database context factory.</param>
+    /// <param name="queryHelpers">The shared item query helpers.</param>
    public SimilarItemsManager(
        ILogger<SimilarItemsManager> logger,
        IServerApplicationPaths appPaths,
        ILibraryManager libraryManager,
        IFileSystem fileSystem,
-        IServerConfigurationManager serverConfigurationManager)
+        IServerConfigurationManager serverConfigurationManager,
+        IDbContextFactory<JellyfinDbContext> dbProvider,
+        IItemQueryHelpers queryHelpers)
    {
        _logger = logger;
        _appPaths = appPaths;
        _libraryManager = libraryManager;
        _fileSystem = fileSystem;
        _serverConfigurationManager = serverConfigurationManager;
+        _dbProvider = dbProvider;
+        _queryHelpers = queryHelpers;
    }

    /// <inheritdoc/>
@@ -183,6 +195,7 @@ public class SimilarItemsManager : ISimilarItemsManager
                    // Collect references in batches and resolve against local library.
                    // Stop fetching once we have enough resolved local items.
                    const int BatchSize = 20;
+                    const int MaxRemoteReferenceFetchLimit = 500;
                    var remaining = requestedLimit - allResults.Count;
                    var collectedReferences = new List<SimilarItemReference>();
                    var pendingBatch = new List<SimilarItemReference>();
@@ -199,7 +212,7 @@ public class SimilarItemsManager : ISimilarItemsManager
                            remaining -= resolvedItems.Count;
                            pendingBatch.Clear();

-                            if (remaining <= 0)
+                            if (remaining <= 0 || collectedReferences.Count >= MaxRemoteReferenceFetchLimit)
                            {
                                break;
                            }
@@ -229,11 +242,64 @@ public class SimilarItemsManager : ISimilarItemsManager
            }
        }

-        return allResults
+        var ordered = allResults
            .OrderByDescending(x => x.Score)
            .Select(x => x.Item)
            .Take(requestedLimit)
            .ToList();
+
+        return await FilterByLibraryAccessAsync(ordered, user, cancellationToken).ConfigureAwait(false);
+    }
+
+    private async Task<IReadOnlyList<BaseItem>> FilterByLibraryAccessAsync(
+        IReadOnlyList<BaseItem> candidates,
+        User? user,
+        CancellationToken cancellationToken)
+    {
+        if (candidates.Count == 0 || user is null)
+        {
+            return candidates;
+        }
+
+        var accessFilter = SimilarItemsAccessFilter.Build(user, _libraryManager);
+
+        // No accessible libraries means nothing to compare against, and an empty TopParentIds set
+        // would disable the filter rather than reject everything.
+        if (accessFilter.TopParentIds.Length == 0)
+        {
+            return candidates;
+        }
+
+        Guid[] candidateIds = [.. candidates.Select(c => c.Id)];
+
+        var dbContext = await _dbProvider.CreateDbContextAsync(cancellationToken).ConfigureAwait(false);
+        await using (dbContext.ConfigureAwait(false))
+        {
+            var baseQuery = dbContext.BaseItems
+                .AsNoTracking()
+                .WhereOneOrMany(candidateIds, e => e.Id);
+
+            baseQuery = _queryHelpers.ApplyAccessFiltering(dbContext, baseQuery, accessFilter);
+
+            var allowedCount = await baseQuery.CountAsync(cancellationToken).ConfigureAwait(false);
+            if (allowedCount == candidates.Count)
+            {
+                return candidates;
+            }
+
+            var allowedIds = await baseQuery
+                .Select(e => e.Id)
+                .ToHashSetAsync(cancellationToken)
+                .ConfigureAwait(false);
+
+            var filtered = candidates.Where(c => allowedIds.Contains(c.Id)).ToList();
+            _logger.LogDebug(
+                "Dropped {Dropped} of {Total} similar-item candidates due to user access filtering",
+                candidates.Count - filtered.Count,
+                candidates.Count);
+
+            return filtered;
+        }
    }

    /// <inheritdoc/>
@@ -375,19 +441,39 @@ public class SimilarItemsManager : ISimilarItemsManager

        var batchResults = await batchProvider.GetBatchSimilarItemsAsync(baselineItems, query, cancellationToken).ConfigureAwait(false);

+        // Filter once across every category rather than per baseline, so a batch provider costs one
+        // access query no matter how many categories it produced.
+        var allItems = batchResults.Values.SelectMany(items => items).DistinctBy(item => item.Id).ToList();
+        var allowed = await FilterByLibraryAccessAsync(allItems, query.User, cancellationToken).ConfigureAwait(false);
+
+        HashSet<Guid>? allowedIds = allowed.Count == allItems.Count
+            ? null
+            : [.. allowed.Select(item => item.Id)];
+
        var recommendations = new List<SimilarItemsRecommendation>(baselineItems.Count);
        foreach (var baseline in baselineItems)
        {
-            if (batchResults.TryGetValue(baseline.Id, out var similar) && similar.Count > 0)
+            if (!batchResults.TryGetValue(baseline.Id, out var similar) || similar.Count == 0)
            {
-                recommendations.Add(new SimilarItemsRecommendation
-                {
-                    BaselineItemName = baseline.Name,
-                    CategoryId = baseline.Id,
-                    RecommendationType = recommendationType,
-                    Items = similar
-                });
+                continue;
            }
+
+            if (allowedIds is not null)
+            {
+                similar = similar.Where(item => allowedIds.Contains(item.Id)).ToList();
+                if (similar.Count == 0)
+                {
+                    continue;
+                }
+            }
+
+            recommendations.Add(new SimilarItemsRecommendation
+            {
+                BaselineItemName = baseline.Name,
+                CategoryId = baseline.Id,
+                RecommendationType = recommendationType,
+                Items = similar
+            });
        }

        return recommendations;
@@ -112,7 +112,7 @@ namespace Emby.Server.Implementations.Library

            if (_config.Configuration.EnableFolderView)
            {
-                var name = _localizationManager.GetLocalizedString("Folders");
+                var name = _localizationManager.GetServerLocalizedString("Folders");
                list.Add(_libraryManager.GetNamedView(name, CollectionType.folders, string.Empty));
            }

@@ -168,7 +168,7 @@ namespace Emby.Server.Implementations.Library

        public UserView GetUserSubView(Guid parentId, CollectionType? type, string localizationKey, string sortName)
        {
-            var name = _localizationManager.GetLocalizedString(localizationKey);
+            var name = _localizationManager.GetServerLocalizedString(localizationKey);

            return GetUserSubViewWithName(name, parentId, type, sortName);
        }
@@ -191,7 +191,7 @@ namespace Emby.Server.Implementations.Library
                return GetUserView((Folder)parents[0], viewType, string.Empty);
            }

-            var name = _localizationManager.GetLocalizedString(localizationKey);
+            var name = _localizationManager.GetServerLocalizedString(localizationKey);
            return _libraryManager.GetNamedView(user, name, viewType, sortName);
        }

@@ -396,6 +396,12 @@ namespace Emby.Server.Implementations.Library
                    query.Limit = limit;
                    return _libraryManager.GetLatestItemList(query, parents, CollectionType.movies);
                }
+
+                if (collectionType is null)
+                {
+                    query.Limit = limit;
+                    return _libraryManager.GetLatestItemList(query, parents, CollectionType.unknown);
+                }
            }

            return _libraryManager.GetItemList(query, parents);
@@ -49,6 +49,14 @@ public class PeopleValidator
    /// <returns>Task.</returns>
    public async Task ValidatePeople(CancellationToken cancellationToken, IProgress<double> progress)
    {
+        // Before the refresh below walks them: a credit no item maps to any more stands for nothing,
+        // and while it is there the person it names cannot reach the dead-person sweep either.
+        var numOrphaned = _libraryManager.DeleteOrphanedCredits();
+        if (numOrphaned > 0)
+        {
+            _logger.LogDebug("Deleted {Amount} credits no item maps to", numOrphaned);
+        }
+
        var people = _libraryManager.GetPeopleNames(new InternalPeopleQuery());

        var numComplete = 0;
@@ -115,6 +123,6 @@ public class PeopleValidator

        progress.Report(100);

-        _logger.LogInformation("People validation complete");
+        _logger.LogInformation("People validation complete, deleted {Orphaned} orphaned credits", numOrphaned);
    }
 }
@@ -100,7 +100,7 @@
    "TaskAudioNormalization": "تطبيع الصوت",
    "TaskAudioNormalizationDescription": "يفحص الملفات لجمع بيانات تطبيع الصوت.",
    "TaskDownloadMissingLyrics": "تنزيل الكلمات المفقودة",
-    "TaskDownloadMissingLyricsDescription": "ينزّل الكلمات للأغاني.",
+    "TaskDownloadMissingLyricsDescription": "تحميل كلمات الأغاني",
    "TaskExtractMediaSegments": "فحص مقاطع المحتوى",
    "TaskExtractMediaSegmentsDescription": "يستخرج أو يحصل على مقاطع المحتوى من الملحقات المفعّلة لمقاطع المحتوى (MediaSegment).",
    "TaskMoveTrickplayImages": "نقل موقع صور معاينات التنقل",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "مهمة تنظيف بيانات المستخدم",
    "CleanupUserDataTaskDescription": "ينظف جميع بيانات المستخدم (مثل حالة المشاهدة وحالة المفضلة وغيرها) للمحتوى الذي لم يعد موجوداً لمدة 90 يوماً على الأقل.",
    "Original": "فريد",
-    "LyricDownloadFailureFromForItem": "فشل تحميل الكلمات من {0} إلى {1}"
+    "LyricDownloadFailureFromForItem": "فشل تحميل الكلمات من {0} إلى {1}",
+    "NameExtraBehindTheScenes": "خلف المشاهد",
+    "NameExtraClip": "مقطع",
+    "NameExtraDeletedScene": "المشهد المحذوف",
+    "NameExtraInterview": "مقابلة",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "عيّنة",
+    "NameExtraScene": "مشهد",
+    "NameExtraShort": "قصير",
+    "NameExtraThemeSong": "الاغنية السمة",
+    "NameExtraThemeVideo": "الفيديو السمة",
+    "NameExtraFeaturette": "فيلم قصير إضافي",
+    "NameExtraTrailer": "إعلان ترويجي",
+    "NameExtraUnknown": "إضافي"
 }
@@ -106,5 +106,11 @@
    "TaskExtractMediaSegments": "Сканіраванне медыя-сегмента",
    "TaskMoveTrickplayImages": "Перанесці месцазнаходжанне выявы Trickplay",
    "CleanupUserDataTask": "Задача па ачыстцы даных карыстальніка",
-    "CleanupUserDataTaskDescription": "Ачышчае ўсе даныя карыстальніка (стан прагляду, абранае і г.д.) для медыяфайлаў, што адсутнічаюць больш за 90 дзён."
+    "CleanupUserDataTaskDescription": "Ачышчае ўсе даныя карыстальніка (стан прагляду, абранае і г.д.) для медыяфайлаў, што адсутнічаюць больш за 90 дзён.",
+    "LyricDownloadFailureFromForItem": "Не ўдалося загрузіць тэкст песні з {0} для {1}",
+    "NameExtraDeletedScene": "Выдаленая сцэна",
+    "NameExtraInterview": "Інтэрв'ю",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraScene": "Сцэна",
+    "NameExtraTrailer": "Трэйлер"
 }
@@ -106,5 +106,20 @@
    "TaskMoveTrickplayImagesDescription": "Премества съществуващите trickplay изображения спрямо настройките на библиотеката.",
    "TaskExtractMediaSegments": "Сканиране за сегменти",
    "CleanupUserDataTask": "Задача за почистване на потребителски данни",
-    "CleanupUserDataTaskDescription": "Почиства всички потребителски данни (статус на гледане, любими и т.н.) от медия, която вече не е налична от поне 90 дни."
+    "CleanupUserDataTaskDescription": "Почиства всички потребителски данни (статус на гледане, любими и т.н.) от медия, която вече не е налична от поне 90 дни.",
+    "LyricDownloadFailureFromForItem": "Текстът на песента не успя да се изтегли от {0} за {1}",
+    "NameExtraBehindTheScenes": "Зад кулисите",
+    "NameExtraScene": "Сцена",
+    "NameExtraShort": "Откъс",
+    "NameExtraThemeVideo": "Тематично видео",
+    "NameExtraTrailer": "Трейлър",
+    "NameExtraUnknown": "Екстра",
+    "NameExtraClip": "Клип",
+    "NameExtraDeletedScene": "Изтрита Сцена",
+    "NameExtraFeaturette": "Кратък филм",
+    "NameExtraInterview": "Интервю",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Пример",
+    "NameExtraThemeSong": "Тема-песен",
+    "Original": "Оригинал"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Odstraní všechna uživatelská data (stav zhlédnutí, oblíbené atd.) z médií, které již neexistují více než 90 dní.",
    "CleanupUserDataTask": "Pročistit uživatelská data",
    "Original": "Originál",
-    "LyricDownloadFailureFromForItem": "Nepodařilo se stáhnout texty pro {1} ze služby {0}"
+    "LyricDownloadFailureFromForItem": "Nepodařilo se stáhnout texty pro {1} ze služby {0}",
+    "NameExtraBehindTheScenes": "Zákulisí",
+    "NameExtraClip": "Klip",
+    "NameExtraDeletedScene": "Vymazaná scéna",
+    "NameExtraFeaturette": "Featurette",
+    "NameExtraInterview": "Rozhovor",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Ukázka",
+    "NameExtraScene": "Scéna",
+    "NameExtraShort": "Krátké",
+    "NameExtraThemeSong": "Úvodní píseň",
+    "NameExtraThemeVideo": "Úvodní video",
+    "NameExtraTrailer": "Upoutávka",
+    "NameExtraUnknown": "Extra"
 }
@@ -51,7 +51,7 @@
    "Shows": "Serier",
    "StartupEmbyServerIsLoading": "Jellyfin er i gang med at starte. Prøv igen om et øjeblik.",
    "SubtitleDownloadFailureFromForItem": "Undertekster kunne ikke hentes fra {0} til {1}",
-    "TvShows": "TV-serier",
+    "TvShows": "Serier",
    "UserCreatedWithName": "Bruger {0} er blevet oprettet",
    "UserDeletedWithName": "Brugeren {0} er nu slettet",
    "UserDownloadingItemWithValues": "{0} henter {1}",
@@ -80,8 +80,8 @@
    "TaskRefreshChapterImagesDescription": "Laver miniaturebilleder for videoer, der har kapitler.",
    "TaskRefreshChannelsDescription": "Opdaterer information for internetkanaler.",
    "TaskRefreshChannels": "Opdatér kanaler",
-    "TaskCleanTranscodeDescription": "Fjerner omkodningsfiler, som er mere end 1 dag gamle.",
-    "TaskCleanTranscode": "Tøm omkodningsmappen",
+    "TaskCleanTranscodeDescription": "Fjerner transkodningsfiler, som er mere end 1 dag gamle.",
+    "TaskCleanTranscode": "Tøm transkodningsmappen",
    "TaskRefreshPeople": "Opdatér personer",
    "TaskRefreshPeopleDescription": "Opdaterer metadata for skuespillere og instruktører i dit mediebibliotek.",
    "TaskCleanActivityLogDescription": "Sletter linjer i aktivitetsloggen ældre end den konfigurerede alder.",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Brugerdata oprydningsopgave",
    "CleanupUserDataTaskDescription": "Rydder alle brugerdata (eks. visning- og favoritstatus) fra medier, der har været utilgængelige i mindst 90 dage.",
    "LyricDownloadFailureFromForItem": "Sangtekster kunne ikke downloades fra {0} til {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Bag scenerne",
+    "NameExtraClip": "Klip",
+    "NameExtraDeletedScene": "Slettet scene",
+    "NameExtraFeaturette": "Featurette",
+    "NameExtraInterview": "Interview",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Smagsprøve",
+    "NameExtraScene": "Scene",
+    "NameExtraShort": "Kort",
+    "NameExtraThemeSong": "Temasang",
+    "NameExtraThemeVideo": "Temavideo",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraUnknown": "Ekstra"
 }
@@ -1,6 +1,6 @@
 {
    "AppDeviceValues": "App: {0}, Gerät: {1}",
-    "Artists": "Interpreten",
+    "Artists": "Künstler",
    "AuthenticationSucceededWithUserName": "{0} erfolgreich authentifiziert",
    "Books": "Bücher",
    "ChapterNameValue": "Kapitel {0}",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Aufgabe zur Bereinigung von Benutzerdaten",
    "CleanupUserDataTaskDescription": "Löscht alle Benutzerdaten (Abspielstatus, Favoritenstatus, usw.) von Medien, die seit mindestens 90 Tagen nicht mehr vorhanden sind.",
    "Original": "Original",
-    "LyricDownloadFailureFromForItem": "Fehler beim Download der Songtexte von {0} für {1}"
+    "LyricDownloadFailureFromForItem": "Fehler beim Download der Songtexte von {0} für {1}",
+    "NameExtraBehindTheScenes": "Behind The Scenes",
+    "NameExtraDeletedScene": "Entfernte Szene",
+    "NameExtraInterview": "Interview",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Ausschnitt",
+    "NameExtraScene": "Szene",
+    "NameExtraShort": "Kurzfilm",
+    "NameExtraThemeSong": "Titellied",
+    "NameExtraThemeVideo": "Titelvideo",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraUnknown": "Extra",
+    "NameExtraClip": "Clip",
+    "NameExtraFeaturette": "Hinter den Kulissen"
 }
@@ -24,8 +24,8 @@
    "Music": "Music",
    "MusicVideos": "Music Videos",
    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
+    "NameSeasonNumber": "Series {0}",
+    "NameSeasonUnknown": "Series Unknown",
    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
    "NotificationOptionApplicationUpdateAvailable": "Application update available",
    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "User data cleanup task",
    "CleanupUserDataTaskDescription": "Cleans all user data (Watch state, favourite status etc) from media that is no longer present for at least 90 days.",
    "LyricDownloadFailureFromForItem": "Lyrics failed to download from {0} for {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Behind The Scenes",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Deleted Scene",
+    "NameExtraFeaturette": "Featurette",
+    "NameExtraInterview": "Interview",
+    "NameExtraSample": "Sample",
+    "NameExtraScene": "Scene",
+    "NameExtraShort": "Short",
+    "NameExtraThemeSong": "Theme Song",
+    "NameExtraThemeVideo": "Theme Video",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraUnknown": "Extra",
+    "NameExtraNumbered": "{0} {1}"
 }
@@ -97,5 +97,9 @@
    "TaskAudioNormalizationDescription": "Skanas dosierojn por sonnivelaj normaligaj datumoj.",
    "TaskRefreshTrickplayImages": "Generi la bildojn por TrickPlay (Antaŭrigardo rapida antaŭen)",
    "TaskAudioNormalization": "Normaligo Sonnivela",
-    "HearingImpaired": "Surda"
+    "HearingImpaired": "Surda",
+    "NameExtraDeletedScene": "Forigita sceno",
+    "NameExtraScene": "Sceno",
+    "NameExtraThemeSong": "Tema Kanto",
+    "Original": "Originala"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Limpia todos los datos del usuario (estado de visualización, estado de los favoritos, etc.) que no están presentes en la biblioteca por al menos 90 días.",
    "CleanupUserDataTask": "Tarea de limpieza de datos de usuarios",
    "LyricDownloadFailureFromForItem": "No se pudo descargar la letra desde {0} para {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Detrás de cámaras",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Escena eliminada",
+    "NameExtraFeaturette": "Minidocumental",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Muestra",
+    "NameExtraScene": "Escena",
+    "NameExtraShort": "Cortometraje",
+    "NameExtraThemeSong": "Música de presentación",
+    "NameExtraThemeVideo": "Video de presentación",
+    "NameExtraTrailer": "Tráiler",
+    "NameExtraUnknown": "Extra"
 }
@@ -106,5 +106,20 @@
    "TaskMoveTrickplayImages": "Migrar la ubicación de la imagen de Trickplay",
    "TaskMoveTrickplayImagesDescription": "Mueve archivos de trickplay existentes según la configuración de la biblioteca.",
    "CleanupUserDataTask": "Tarea de limpieza de los datos del usuario",
-    "CleanupUserDataTaskDescription": "Limpia toda la información de usuario (Estado de última vez visto, favoritos, etc) del archivo media que no está presente por los últimos 90 días."
+    "CleanupUserDataTaskDescription": "Limpia toda la información de usuario (Estado de última vez visto, favoritos, etc) del archivo media que no está presente por los últimos 90 días.",
+    "LyricDownloadFailureFromForItem": "No se pudo descargar la letra desde {0} para {1}",
+    "NameExtraBehindTheScenes": "Detrás de cámaras",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Escena eliminada",
+    "NameExtraFeaturette": "Minidocumental",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Muestra",
+    "NameExtraScene": "Escena",
+    "NameExtraShort": "Cortometraje",
+    "NameExtraThemeSong": "Música de presentación",
+    "NameExtraThemeVideo": "Video de presentación",
+    "NameExtraTrailer": "Tráiler",
+    "NameExtraUnknown": "Extra",
+    "Original": "Original"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Tarea de limpieza de datos del usuario",
    "CleanupUserDataTaskDescription": "Limpia todos los datos del usuario (estado de visualización, favoritos, etc.) de los medios que ya no están disponibles desde hace al menos 90 días.",
    "Original": "Original",
-    "LyricDownloadFailureFromForItem": "No se pudieron descargar las letras desde {0} para {1}"
+    "LyricDownloadFailureFromForItem": "No se pudieron descargar las letras desde {0} para {1}",
+    "NameExtraBehindTheScenes": "Detrás de Cámaras",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Escena eliminada",
+    "NameExtraFeaturette": "Reportaje especial",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraSample": "Muestra",
+    "NameExtraScene": "Escena",
+    "NameExtraShort": "Cortometraje",
+    "NameExtraThemeSong": "Tema principal",
+    "NameExtraThemeVideo": "Vídeo del tema principal",
+    "NameExtraTrailer": "Tráiler",
+    "NameExtraUnknown": "Extra",
+    "NameExtraNumbered": "{0} {1}"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Tarea de limpieza de datos de usuario",
    "CleanupUserDataTaskDescription": "Limpia todos los datos de usuario (estado de visualización, favoritos, etc.) que no están presentes en la biblioteca por al menos 90 días.",
    "LyricDownloadFailureFromForItem": "No se pudo descargar las letras de {0} para {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraUnknown": "Extra",
+    "NameExtraBehindTheScenes": "Detrás de cámaras",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Escena eliminada",
+    "NameExtraFeaturette": "Minidocumental",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Muestra",
+    "NameExtraScene": "Escena",
+    "NameExtraShort": "Cortometraje",
+    "NameExtraThemeSong": "Música de presentación",
+    "NameExtraThemeVideo": "Video de presentación",
+    "NameExtraTrailer": "Tráiler"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Puhasta kasutajaandmed",
    "CleanupUserDataTaskDescription": "Puhastab kõik kasutajaandmed (vaatamise olek, lemmikute olek jne) meediast, mida pole enam vähemalt 90 päeva saadaval olnud.",
    "LyricDownloadFailureFromForItem": "Laulusõnade hankimine teenusest {0} loole {1} nurjus",
-    "Original": "Algne"
+    "Original": "Algne",
+    "NameExtraBehindTheScenes": "Kulisside taga",
+    "NameExtraDeletedScene": "Väljajäetud stseen",
+    "NameExtraFeaturette": "Lisalõik",
+    "NameExtraInterview": "Intervjuu",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Näidis",
+    "NameExtraScene": "Stseen",
+    "NameExtraShort": "Lühifilm",
+    "NameExtraThemeSong": "Tunnusmeloodia",
+    "NameExtraThemeVideo": "Tunnusvideo",
+    "NameExtraTrailer": "Treiler",
+    "NameExtraUnknown": "Lisamaterjal",
+    "NameExtraClip": "Videoklipp"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Gutxienez 90 egunez dagoeneko existitzen ez den multimediatik erabiltzaile-datu guztiak (ikusteko egoera, gogokoen egoera, etab.) garbitzen ditu.",
    "CleanupUserDataTask": "Erabiltzaileen datuak garbitzeko zeregina",
    "LyricDownloadFailureFromForItem": "Ezin izan dira {1}-ren letrak deskargatu {0}-tik",
-    "Original": "Jatorrizkoa"
+    "Original": "Jatorrizkoa",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Lagina",
+    "NameExtraScene": "Eszena",
+    "NameExtraShort": "Laburra",
+    "NameExtraThemeSong": "Gai-abestia",
+    "NameExtraThemeVideo": "Gai-bideoa",
+    "NameExtraBehindTheScenes": "Eszenen atzean",
+    "NameExtraClip": "Klipa",
+    "NameExtraDeletedScene": "Ezabatutako eszena",
+    "NameExtraFeaturette": "Erreportajea",
+    "NameExtraInterview": "Elkarrizketa",
+    "NameExtraTrailer": "Trailerra",
+    "NameExtraUnknown": "Extra"
 }
@@ -108,5 +108,10 @@
    "CleanupUserDataTask": "Käyttäjätietojen puhdistustehtävä",
    "CleanupUserDataTaskDescription": "Puhdistaa kaikki käyttäjätiedot (katselutila, suosikit ym.) medioista, joita ei ole ollut saatavilla yli 90 päivään.",
    "LyricDownloadFailureFromForItem": "Sanoitusten lataus kohteesta {0} kappaleelle {1} epäonnistui",
-    "Original": "Alkuperäinen"
+    "Original": "Alkuperäinen",
+    "NameExtraBehindTheScenes": "Kulissien Takana",
+    "NameExtraClip": "Klippi",
+    "NameExtraDeletedScene": "Poistettu Kohtaus",
+    "NameExtraFeaturette": "Lyhytelokuva",
+    "NameExtraInterview": "Haastattelu"
 }
@@ -1,6 +1,6 @@
 {
    "Artists": "Tónlistafólk",
-    "Collections": "Søvn",
+    "Collections": "Samlingar",
    "Default": "Forsett",
    "External": "Ytri",
    "Genres": "Greinar",
@@ -13,7 +13,7 @@
    "FailedLoginAttemptWithUserName": "Miseydnað innritanarroynd frá {0}",
    "HeaderFavoriteEpisodes": "Yndispartar",
    "LabelIpAddressValue": "IP-atsetur: {0}",
-    "AuthenticationSucceededWithUserName": "{0} varð samgildur",
+    "AuthenticationSucceededWithUserName": "{0} var samgildur",
    "HeaderFavoriteShows": "Yndisrøðir",
    "HeaderLiveTV": "Beinleiðis sjónvarp",
    "HearingImpaired": "Hoyrnarveik",
@@ -55,8 +55,8 @@
    "TaskUpdatePluginsDescription": "Niðurtekur og innleggur dagføringar til ískoytisforrit ið eru stillaði til at dagførast sjálvvirkandi.",
    "TaskCleanTranscodeDescription": "Strikar umkotaðar fílar ið eru eldri enn 1 dag.",
    "TaskOptimizeDatabase": "Albøt dátugrunn",
-    "NameSeasonNumber": "Sesong {0}",
-    "NameSeasonUnknown": "Ókend sesong",
+    "NameSeasonNumber": "Umfar {0}",
+    "NameSeasonUnknown": "Ókent umfar",
    "ScheduledTaskFailedWithName": "{0} miseydnaðist",
    "Undefined": "Óskilmarkað",
    "TasksMaintenanceCategory": "Viðlíkahald",
@@ -68,7 +68,7 @@
    "NotificationOptionServerRestartRequired": "Tørvur er á ambætaraendurbyrjan",
    "TasksApplicationCategory": "Nýtsluskipan",
    "NotificationOptionApplicationUpdateAvailable": "Skipanardagføring er tøk",
-    "NotificationOptionApplicationUpdateInstalled": "Skipanardagføring varð innløgd",
+    "NotificationOptionApplicationUpdateInstalled": "Skipanardagføring var innløgd",
    "UserStoppedPlayingItemWithValues": "{0} er liðugur at spæla {1} á {2}",
    "HomeVideos": "Heimaupptøkur",
    "StartupEmbyServerIsLoading": "Jellyfin-ambætarin er undir byrjanarinnlesing. Vinaliga royn aftur um eitt bil.",
@@ -101,5 +101,25 @@
    "NotificationOptionAudioPlaybackStopped": "Ljóðspæl steðgað",
    "TaskExtractMediaSegments": "Leita eftir margmiðlabrotum",
    "TaskExtractMediaSegmentsDescription": "Framleiður upplýsingar um brot í margmiðlum, við hjálp frá MediaSegment-virktum ískoytisforritum.",
-    "NotificationOptionCameraImageUploaded": "Ljósmynd uppsent"
+    "NotificationOptionCameraImageUploaded": "Ljósmynd uppsend",
+    "NameExtraShort": "Stuttfilmur",
+    "NameExtraThemeSong": "Eyðkennislag",
+    "NameExtraTrailer": "Forfilmur",
+    "NameExtraInterview": "Samrøða",
+    "NameExtraBehindTheScenes": "Aftanfyri leiktjøldini",
+    "NameExtraClip": "Klipp",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraFeaturette": "Stuttur heimildarfilmur",
+    "TaskAudioNormalization": "Ljóðjavnan",
+    "TaskAudioNormalizationDescription": "Kannar fílur fyri dátum til ljóðjavnan.",
+    "NameExtraSample": "Kut",
+    "TaskRefreshTrickplayImages": "Framleið Trickplay-myndir",
+    "TaskRefreshTrickplayImagesDescription": "Framleiðir trickplay-myndir fyri kykmyndir í søvnunm har tað er virkt.",
+    "TaskMoveTrickplayImages": "Flyt Trickplay-myndagoymslustað",
+    "TaskMoveTrickplayImagesDescription": "Flytur verandi trickplay-fílur sambært savnsstillingunum.",
+    "NameExtraThemeVideo": "Eyðkenniskykmynd",
+    "NameExtraDeletedScene": "Úrtikin mynd",
+    "NameExtraScene": "Mynd (scena)",
+    "NameExtraUnknown": "Eykatilfar",
+    "Original": "Upprunalig(t/ur)"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Nettoie toutes les données utilisateur (état de la montre, statut favori, etc.) des supports qui ne sont plus présents depuis au moins 90 jours.",
    "CleanupUserDataTask": "Tâche de nettoyage des données utilisateur",
    "LyricDownloadFailureFromForItem": "Le téléchargement des paroles a échoué de {0} pour {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Dans Les Coulisses",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Scène supprimée",
+    "NameExtraFeaturette": "Court-métrage",
+    "NameExtraInterview": "Entrevue",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Échantillon",
+    "NameExtraScene": "Scène",
+    "NameExtraShort": "Court-métrage",
+    "NameExtraThemeSong": "Chanson thème",
+    "NameExtraThemeVideo": "Générique",
+    "NameExtraTrailer": "Bande-annonce",
+    "NameExtraUnknown": "Extra"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Nettoie toutes les données utilisateur (état de la montre, statut favori, etc.) des supports qui ne sont plus présents depuis au moins 90 jours.",
    "CleanupUserDataTask": "Tâche de nettoyage des données utilisateur",
    "LyricDownloadFailureFromForItem": "Le téléchargement des paroles à échoué de {0} pour {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Dans Les Coulisses",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Scène supprimée",
+    "NameExtraFeaturette": "Court-métrage",
+    "NameExtraInterview": "Entrevue",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Échantillon",
+    "NameExtraScene": "Scène",
+    "NameExtraShort": "Court-métrage",
+    "NameExtraThemeSong": "Thème musical",
+    "NameExtraThemeVideo": "Générique",
+    "NameExtraTrailer": "Bande-annonce",
+    "NameExtraUnknown": "Extra"
 }
@@ -107,5 +107,19 @@
    "TaskAudioNormalizationDescription": "Escanea ficheiros á procura de datos de normalización de volume.",
    "CleanupUserDataTask": "Tarefa de limpeza de datos dos usuarios",
    "CleanupUserDataTaskDescription": "Limpa todos os datos do usuario (estado de visualización, de favorito etc.) dos medios ausentes polo menos 90 días.",
-    "Original": "Orixinal"
+    "Original": "Orixinal",
+    "LyricDownloadFailureFromForItem": "Non se puideron descargar as letras desde {0} para {1}",
+    "NameExtraBehindTheScenes": "Detrás das Cámaras",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Escena Eliminada",
+    "NameExtraFeaturette": "Reportaxe especial",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Mostra",
+    "NameExtraScene": "Escena",
+    "NameExtraShort": "Curtametraxe",
+    "NameExtraThemeSong": "Canción principal",
+    "NameExtraThemeVideo": "Vídeo da canción principal",
+    "NameExtraTrailer": "Tráiler",
+    "NameExtraUnknown": "Extra"
 }
@@ -108,5 +108,12 @@
    "CleanupUserDataTaskDescription": "ניקוי כל המידע של המשתמש (מצב צפייה, מועדפים וכו) ממדיה שאינה קיימת מעל 90 יום.",
    "CleanupUserDataTask": "משימת ניקוי מידע משתמש",
    "LyricDownloadFailureFromForItem": "הורדת המילים מ-{0} עבור {1} נכשלה",
-    "Original": "מקור"
+    "Original": "מקור",
+    "NameExtraBehindTheScenes": "מאחורי הקלעים",
+    "NameExtraClip": "קליפ",
+    "NameExtraDeletedScene": "סצנה שנמחקה",
+    "NameExtraFeaturette": "סרט קצר",
+    "NameExtraInterview": "ריאיון",
+    "NameExtraSample": "דגימה",
+    "NameExtraScene": "סצנה"
 }
@@ -106,5 +106,20 @@
    "TaskMoveTrickplayImages": "ट्रिकप्ले छवि स्थान माइग्रेट करें",
    "TaskMoveTrickplayImagesDescription": "लाइब्रेरी सेटिंग्स के अनुसार मौजूदा ट्रिकप्ले फ़ाइलों को स्थानांतरित करता है।",
    "CleanupUserDataTask": "यूज़र डेटा सफाई कार्य",
-    "Original": "असली"
+    "Original": "असली",
+    "LyricDownloadFailureFromForItem": "{0} के लिए {1} से बोल (Lyrics) डाउनलोड करने में विफल रहा",
+    "NameExtraBehindTheScenes": "परदे के पीछे",
+    "NameExtraClip": "क्लिप",
+    "NameExtraDeletedScene": "हटाया गया दृश्य",
+    "NameExtraFeaturette": "फीचरेट",
+    "NameExtraInterview": "साक्षात्कार",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "नमूना",
+    "NameExtraScene": "दृश्य",
+    "NameExtraShort": "शॉर्ट",
+    "NameExtraThemeSong": "थीम सॉन्ग",
+    "NameExtraThemeVideo": "थीम वीडियो",
+    "NameExtraTrailer": "ट्रेलर",
+    "NameExtraUnknown": "अतिरिक्त",
+    "CleanupUserDataTaskDescription": "कम से कम 90 दिनों से अनुपस्थित मीडिया से सभी उपयोगकर्ता डेटा (देखने की स्थिति, पसंदीदा स्थिति आदि) को साफ़ करता है।"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Legalább 90 napja nem elérhető médiákhoz kapcsolódó összes felhasználói adat (pl. megtekintési állapot, kedvencek) törlése.",
    "CleanupUserDataTask": "Felhasználói adatok tisztítása feladat",
    "Original": "Eredeti",
-    "LyricDownloadFailureFromForItem": "Dalszöveg letöltése {0}-tól {1}-hez sikertelen"
+    "LyricDownloadFailureFromForItem": "Dalszöveg letöltése {0}-tól {1}-hez sikertelen",
+    "NameExtraBehindTheScenes": "Színfalak mögött",
+    "NameExtraClip": "Klip",
+    "NameExtraDeletedScene": "Törölt jelenet",
+    "NameExtraFeaturette": "Kísérő film",
+    "NameExtraInterview": "Interjú",
+    "NameExtraSample": "Minta",
+    "NameExtraScene": "Jelenet",
+    "NameExtraShort": "Rövidfilm",
+    "NameExtraThemeSong": "Főcímdal",
+    "NameExtraThemeVideo": "Főcímvideó",
+    "NameExtraTrailer": "Előzetes",
+    "NameExtraUnknown": "Extra",
+    "NameExtraNumbered": "{0} {1}"
 }
@@ -24,5 +24,10 @@
    "TaskDownloadMissingSubtitles": "Ներբեռնել պակասող ենթագրերը",
    "AppDeviceValues": "Հավելված` {0}, Սարք `{1}",
    "ChapterNameValue": "Գլուխ {0}",
-    "Collections": "Հավաքածուներ"
+    "Collections": "Հավաքածուներ",
+    "Artists": "Երաժիշտներ",
+    "Default": "Լռելյայն",
+    "Favorites": "Ընտրյալ",
+    "Forced": "Ստիպուած",
+    "Genres": "Ոճ"
 }
@@ -108,5 +108,18 @@
    "Original": "Upprunaleg",
    "TaskExtractMediaSegmentsDescription": "Sækir myndbúta úr viðbótum þar sem MediaSegment er virkt.",
    "TaskMoveTrickplayImages": "Flytja geymslustað fyrir Trickplay-myndir",
-    "TaskMoveTrickplayImagesDescription": "Flytur fyrirliggjandi Trickplay-skrár í samræmi við stillingar safnsins."
+    "TaskMoveTrickplayImagesDescription": "Flytur fyrirliggjandi Trickplay-skrár í samræmi við stillingar safnsins.",
+    "NameExtraBehindTheScenes": "Bak við tjöldin",
+    "NameExtraClip": "Brot",
+    "NameExtraDeletedScene": "Eydd atriði",
+    "NameExtraFeaturette": "Stutt heimildarmynd",
+    "NameExtraInterview": "Viðtal",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Sýnishorn",
+    "NameExtraScene": "Sena",
+    "NameExtraShort": "Stuttmynd",
+    "NameExtraThemeSong": "Þema lag",
+    "NameExtraThemeVideo": "Þema myndband",
+    "NameExtraTrailer": "Stikla",
+    "NameExtraUnknown": "Aukaefni"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Task di pulizia dei dati utente",
    "CleanupUserDataTaskDescription": "Pulisce tutti i dati utente (stato di visione, status preferiti, ecc.) dai contenuti non più presenti da almeno 90 giorni.",
    "Original": "Originale",
-    "LyricDownloadFailureFromForItem": "Scaricamento dei testi non riuscito da {0} per {1}"
+    "LyricDownloadFailureFromForItem": "Scaricamento dei testi non riuscito da {0} per {1}",
+    "NameExtraBehindTheScenes": "Dietro le scene",
+    "NameExtraClip": "Filmato",
+    "NameExtraDeletedScene": "Scena eliminata",
+    "NameExtraInterview": "Intervista",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraScene": "Scena",
+    "NameExtraSample": "Campione",
+    "NameExtraShort": "Corto",
+    "NameExtraThemeSong": "Sigla musicale",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraFeaturette": "Caratteristica",
+    "NameExtraThemeVideo": "Video tematico",
+    "NameExtraUnknown": "Extra"
 }
@@ -108,5 +108,8 @@
    "CleanupUserDataTask": "사용자 데이터 정리 작업",
    "CleanupUserDataTaskDescription": "최소 90일 이상 존재하지 않는 미디어에 대한 사용자 데이터(시청 상태, 즐겨찾기 등)를 정리합니다.",
    "LyricDownloadFailureFromForItem": "{1}에 대한 가사를 {0}에서 다운로드하지 못했습니다",
-    "Original": "원본"
+    "Original": "원본",
+    "NameExtraClip": "클립",
+    "NameExtraDeletedScene": "삭제된 장면",
+    "NameExtraInterview": "인터뷰"
 }
@@ -3,15 +3,15 @@
    "Artists": "Atlikėjai",
    "AuthenticationSucceededWithUserName": "{0} sėkmingai autentifikuota",
    "Books": "Knygos",
-    "ChapterNameValue": "Scena{0}",
-    "Collections": "Rinkiniai",
+    "ChapterNameValue": "Skyrius{0}",
+    "Collections": "Kolekcijos",
    "FailedLoginAttemptWithUserName": "Nesėkmingas {0} bandymas prisijungti",
    "Favorites": "Mėgstami",
-    "Folders": "Katalogai",
+    "Folders": "Aplankai",
    "Genres": "Žanrai",
    "HeaderContinueWatching": "Žiūrėti toliau",
-    "HeaderFavoriteEpisodes": "Mėgstamiausios serijos",
-    "HeaderFavoriteShows": "Mėgstamiausios TV Laidos",
+    "HeaderFavoriteEpisodes": "Mėgstami Epizodai",
+    "HeaderFavoriteShows": "Mėgstamos TV Laidos",
    "HeaderLiveTV": "Tiesioginė TV",
    "HeaderNextUp": "Toliau",
    "HomeVideos": "Namų vaizdo įrašai",
@@ -26,14 +26,14 @@
    "NameInstallFailed": "{0} diegimo klaida",
    "NameSeasonNumber": "Sezonas {0}",
    "NameSeasonUnknown": "Sezonas neatpažintas",
-    "NewVersionIsAvailable": "Nauja \"Jellyfin Server\" versija yra prieinama atsisiuntimui.",
+    "NewVersionIsAvailable": "Nauja Jellyfin Server versija yra prieinama atsisiuntimui.",
    "NotificationOptionApplicationUpdateAvailable": "Galimi programos atnaujinimai",
    "NotificationOptionApplicationUpdateInstalled": "Programos atnaujinimai įdiegti",
    "NotificationOptionAudioPlayback": "Garso atkūrimas pradėtas",
    "NotificationOptionAudioPlaybackStopped": "Garso atkūrimas sustabdytas",
-    "NotificationOptionCameraImageUploaded": "Kameros vaizdai įkelti",
+    "NotificationOptionCameraImageUploaded": "Kameros atvaizdai įkelti",
    "NotificationOptionInstallationFailed": "Diegimo klaida",
-    "NotificationOptionNewLibraryContent": "Naujas turinys įkeltas",
+    "NotificationOptionNewLibraryContent": "Pridėtas naujas turinys",
    "NotificationOptionPluginError": "Įskiepio klaida",
    "NotificationOptionPluginInstalled": "Įskiepis įdiegtas",
    "NotificationOptionPluginUninstalled": "Įskiepis išdiegtas",
@@ -51,7 +51,7 @@
    "Shows": "Laidos",
    "StartupEmbyServerIsLoading": "Jellyfin Server kraunasi. Netrukus pabandykite dar kartą.",
    "SubtitleDownloadFailureFromForItem": "{1} subtitrai buvo nesėkmingai parsiųsti iš {0}",
-    "TvShows": "TV laidos",
+    "TvShows": "TV Laidos",
    "UserCreatedWithName": "Buvo sukurtas {0} naudotojas",
    "UserDeletedWithName": "Naudotojas {0} ištrintas",
    "UserDownloadingItemWithValues": "{0} siunčiasi {1}",
@@ -59,14 +59,14 @@
    "UserOfflineFromDevice": "{0} buvo atjungtas nuo {1}",
    "UserOnlineFromDevice": "{0} prisijungęs iš {1}",
    "UserPasswordChangedWithName": "Slaptažodis pakeistas naudotojui {0}",
-    "UserStartedPlayingItemWithValues": "{0} leidžia {1} į {2}",
-    "UserStoppedPlayingItemWithValues": "{0} baigė leisti {1} į {2}",
+    "UserStartedPlayingItemWithValues": "{0} atkuriama {1} į {2}",
+    "UserStoppedPlayingItemWithValues": "{0} baigė atkūrimą {1} į {2}",
    "VersionNumber": "Versija {0}",
    "TaskUpdatePluginsDescription": "Atsisiunčia ir įdiegia įskiepių, kurie sukonfigūruoti atnaujinti automatiškai, naujinius.",
    "TaskUpdatePlugins": "Atnaujinti įskieius",
    "TaskDownloadMissingSubtitlesDescription": "Ieško trūkstamų subtitrų internete remiantis metaduomenų konfigūracija.",
-    "TaskCleanTranscodeDescription": "Ištrina dienos senumo perkodavimo failus.",
-    "TaskCleanTranscode": "Išvalyti perkodavimo katalogą",
+    "TaskCleanTranscodeDescription": "Ištrina dienos senumo transkodavimo failus.",
+    "TaskCleanTranscode": "Išvalyti transkodavimo katalogą",
    "TaskRefreshLibraryDescription": "Skenuoja medijos biblioteką, ieškodamas naujų failų, ir atnaujina metaduomenis.",
    "TaskRefreshLibrary": "Skenuoti medijos biblioteką",
    "TaskDownloadMissingSubtitles": "Atsisiųsti trūkstamus subtitrus",
@@ -76,8 +76,8 @@
    "TaskRefreshPeople": "Atnaujinti žmones",
    "TaskCleanLogsDescription": "Ištrina žurnalo failus kurie yra senesni nei {0} dienos.",
    "TaskCleanLogs": "Išvalyti žurnalą",
-    "TaskRefreshChapterImagesDescription": "Sukuria vaizdo įrašų, kuriuose yra skyrių, miniatiūras.",
-    "TaskRefreshChapterImages": "Ištraukti skyrių vaizdus",
+    "TaskRefreshChapterImagesDescription": "Sukuria miniatiūras vaizdo įrašams, kuriuose yra skyriai.",
+    "TaskRefreshChapterImages": "Ištraukti skyrių atvaizdus",
    "TaskCleanCache": "Išvalyti talpyklą",
    "TaskCleanCacheDescription": "Ištrina talpyklos failus, kurių daugiau nereikia sistemai.",
    "TasksChannelsCategory": "Internetiniai kanalai",
@@ -87,7 +87,7 @@
    "TaskCleanActivityLog": "Išvalyti veiklos žurnalą",
    "Undefined": "Neapibrėžtas",
    "Forced": "Priverstinis",
-    "Default": "Numatytas",
+    "Default": "Numatytasis",
    "TaskCleanActivityLogDescription": "Ištrina senesnius nei nustatytas amžius veiklos žurnalo įrašus.",
    "TaskOptimizeDatabase": "Optimizuoti duomenų bazę",
    "TaskKeyframeExtractorDescription": "Iš vaizdo įrašo paruošia reikšminius kadrus, kad būtų sukuriamas tikslenis HLS grojaraštis. Šios užduoties vykdymas gali ilgai užtrukti.",
@@ -96,15 +96,30 @@
    "External": "Išorinis",
    "HearingImpaired": "Su klausos sutrikimais",
    "TaskRefreshTrickplayImages": "Generuoti Trickplay atvaizdus",
-    "TaskRefreshTrickplayImagesDescription": "Sukuria trickplay peržiūras vaizdo įrašams įgalintose bibliotekose.",
+    "TaskRefreshTrickplayImagesDescription": "Sukuria vaizdo įrašų, esančių įgalintose bibliotekose, Trickplay peržiūras.",
    "TaskAudioNormalization": "Garso normalizavimas",
    "TaskAudioNormalizationDescription": "Skenuoja failus, ieškant garso normalizavimo duomenų.",
    "TaskExtractMediaSegments": "Medijos segmentų nuskaitymas",
    "TaskDownloadMissingLyrics": "Parsisiųsti trūkstamus dainų tekstus",
    "TaskExtractMediaSegmentsDescription": "Ištraukia arba gauna medijos segmentus iš MediaSegment ijungtų įskiepių.",
-    "TaskMoveTrickplayImages": "Pakeisti Trickplay vaizdų vietą",
-    "TaskMoveTrickplayImagesDescription": "Perkelia egzistuojančius trickplay failus pagal bibliotekos nustatymus.",
+    "TaskMoveTrickplayImages": "Pakeisti Trickplay atvaizdų vietą",
+    "TaskMoveTrickplayImagesDescription": "Perkelia egzistuojančius Trickplay failus pagal bibliotekos nustatymus.",
    "TaskDownloadMissingLyricsDescription": "Parsisiųsti dainų žodžius",
    "CleanupUserDataTask": "Naudotojo duomenų valymo užduotis",
-    "CleanupUserDataTaskDescription": "Iš medijos, kurios nebėra bent 90 dienų, išvalo visus naudotojo duomenis (žiūrėjimo būseną, mėgstamiausią būseną ir t. t.)."
+    "CleanupUserDataTaskDescription": "Iš medijos, kurios nebėra bent 90 dienų, išvalo visus naudotojo duomenis (žiūrėjimo būseną, mėgstamą būseną ir t. t.).",
+    "LyricDownloadFailureFromForItem": "Nepavyko atsisiųsti dainos žodžių iš {0}, skirto {1}",
+    "NameExtraBehindTheScenes": "Užkulisiuose",
+    "NameExtraClip": "Klipas",
+    "NameExtraDeletedScene": "Ištrinta scena",
+    "NameExtraInterview": "Interviu",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Pavyzdys",
+    "NameExtraScene": "Scena",
+    "NameExtraThemeSong": "Teminė daina",
+    "NameExtraThemeVideo": "Teminis vaizdo įrašas",
+    "NameExtraTrailer": "Anonsas",
+    "NameExtraUnknown": "Papildomas",
+    "Original": "Originalus",
+    "NameExtraFeaturette": "Trumpametražis filmas",
+    "NameExtraShort": "Trumpas filmukas"
 }
@@ -106,5 +106,11 @@
    "TaskAudioNormalization": "Normalisasi Audio",
    "TaskAudioNormalizationDescription": "Mengimbas fail-fail untuk data normalisasi audio.",
    "CleanupUserDataTaskDescription": "Membersihkan semua data pengguna (keadaan tontonan, status kegemaran, dan sebagainya) daripada media yang tidak lagi wujud sekurang-kurangnya selama 90 hari.",
-    "CleanupUserDataTask": "Tugas pembersihan data pengguna"
+    "CleanupUserDataTask": "Tugas pembersihan data pengguna",
+    "LyricDownloadFailureFromForItem": "Lirik gagal dimuat turun dari {0} untuk {1}",
+    "NameExtraBehindTheScenes": "Di Sebalik Takbir",
+    "NameExtraClip": "Klip",
+    "NameExtraInterview": "Temu bual",
+    "NameExtraThemeSong": "Lagu Tema",
+    "NameExtraThemeVideo": "Video Tema"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Usuwa wszystkie dane użytkownika (stan oglądanych, status ulubionych itp.) z mediów, które nie są dostępne od co najmniej 90 dni.",
    "CleanupUserDataTask": "Zadanie czyszczenia danych użytkownika",
    "Original": "Oryginalny",
-    "LyricDownloadFailureFromForItem": "Błąd podczas pobierania tekstu piosenki z {0} dla {1}"
+    "LyricDownloadFailureFromForItem": "Błąd podczas pobierania tekstu piosenki z {0} dla {1}",
+    "NameExtraBehindTheScenes": "Za kulisami",
+    "NameExtraClip": "Urywek",
+    "NameExtraDeletedScene": "Usunięta scena",
+    "NameExtraFeaturette": "Film średniometrażowy",
+    "NameExtraInterview": "Wywiad",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Fragment",
+    "NameExtraScene": "Scena",
+    "NameExtraShort": "Film krótkometrażowy",
+    "NameExtraThemeSong": "Czołówka",
+    "NameExtraThemeVideo": "Wideo wprowadzające",
+    "NameExtraTrailer": "Zwiastun",
+    "NameExtraUnknown": "Dodatek"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Tarefa de limpeza de dados do usuário",
    "CleanupUserDataTaskDescription": "Limpa todos os dados do usuário (estado de visualização, status de favorito, etc.) de mídias que não estão presentes por pelo menos 90 dias.",
    "LyricDownloadFailureFromForItem": "Download das Letras falharam em {0} para o item {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "Nos Bastidores",
+    "NameExtraClip": "Clipe",
+    "NameExtraDeletedScene": "cena Extra",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Trecho",
+    "NameExtraScene": "Cena",
+    "NameExtraShort": "Curta-metragem",
+    "NameExtraThemeSong": "Música Tema",
+    "NameExtraThemeVideo": "Vídeo de Abertura",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraUnknown": "Extra",
+    "NameExtraFeaturette": "Nos Bastidores",
+    "NameExtraInterview": "Entrevista"
 }
@@ -5,108 +5,121 @@
    "Books": "Livros",
    "ChapterNameValue": "Capítulo {0}",
    "Collections": "Coleções",
-    "FailedLoginAttemptWithUserName": "Tentativa de login falhada a partir de {0}",
+    "FailedLoginAttemptWithUserName": "Tentativa falhada de início de sessão do utilizador {0}",
    "Favorites": "Favoritos",
    "Folders": "Pastas",
    "Genres": "Géneros",
    "HeaderContinueWatching": "Continuar a ver",
-    "HeaderFavoriteEpisodes": "Episódios Favoritos",
-    "HeaderFavoriteShows": "Séries Favoritas",
-    "HeaderLiveTV": "TV em Direto",
-    "HeaderNextUp": "A Seguir",
-    "HomeVideos": "Vídeos Caseiros",
+    "HeaderFavoriteEpisodes": "Episódios favoritos",
+    "HeaderFavoriteShows": "Séries favoritas",
+    "HeaderLiveTV": "TV em direto",
+    "HeaderNextUp": "A seguir",
+    "HomeVideos": "Vídeos caseiros",
    "Inherit": "Herdar",
    "LabelIpAddressValue": "Endereço IP: {0}",
    "LabelRunningTimeValue": "Duração: {0}",
-    "Latest": "Mais Recente",
-    "MixedContent": "Conteúdo Misto",
+    "Latest": "Mais recente",
+    "MixedContent": "Conteúdo misto",
    "Movies": "Filmes",
    "Music": "Música",
    "MusicVideos": "Videoclipes",
-    "NameInstallFailed": "{0} falha na instalação",
+    "NameInstallFailed": "Falha na instalação de {0}",
    "NameSeasonNumber": "Temporada {0}",
-    "NameSeasonUnknown": "Temporada Desconhecida",
+    "NameSeasonUnknown": "Temporada desconhecida",
    "NewVersionIsAvailable": "Está disponível para transferência uma nova versão do servidor Jellyfin.",
    "NotificationOptionApplicationUpdateAvailable": "Atualização de aplicação disponível",
    "NotificationOptionApplicationUpdateInstalled": "Atualização de aplicação instalada",
-    "NotificationOptionAudioPlayback": "Reprodução Iniciada",
-    "NotificationOptionAudioPlaybackStopped": "Reprodução Parada",
+    "NotificationOptionAudioPlayback": "Reprodução de áudio iniciada",
+    "NotificationOptionAudioPlaybackStopped": "Reprodução de áudio interrompida",
    "NotificationOptionCameraImageUploaded": "Imagem da câmara enviada",
    "NotificationOptionInstallationFailed": "Falha na instalação",
    "NotificationOptionNewLibraryContent": "Novo conteúdo adicionado",
-    "NotificationOptionPluginError": "Falha na extensão",
-    "NotificationOptionPluginInstalled": "Extensão instalada",
-    "NotificationOptionPluginUninstalled": "Extensão desinstalada",
-    "NotificationOptionPluginUpdateInstalled": "Extensão atualizada",
+    "NotificationOptionPluginError": "Falha no plugin",
+    "NotificationOptionPluginInstalled": "Plugin instalado",
+    "NotificationOptionPluginUninstalled": "Plugin desinstalado",
+    "NotificationOptionPluginUpdateInstalled": "Atualização de plugin instalada",
    "NotificationOptionServerRestartRequired": "Necessário reiniciar o servidor",
    "NotificationOptionTaskFailed": "Falha em tarefa agendada",
    "NotificationOptionUserLockedOut": "Utilizador bloqueado",
-    "NotificationOptionVideoPlayback": "Reprodução do vídeo iniciada",
-    "NotificationOptionVideoPlaybackStopped": "Reprodução do vídeo parada",
+    "NotificationOptionVideoPlayback": "Reprodução de vídeo iniciada",
+    "NotificationOptionVideoPlaybackStopped": "Reprodução de vídeo interrompida",
    "Photos": "Fotografias",
    "PluginInstalledWithName": "{0} foi instalado",
    "PluginUninstalledWithName": "{0} foi desinstalado",
    "PluginUpdatedWithName": "{0} foi atualizado",
    "ScheduledTaskFailedWithName": "{0} falhou",
    "Shows": "Séries",
-    "StartupEmbyServerIsLoading": "O servidor Jellyfin está a iniciar. Tente novamente mais tarde.",
-    "SubtitleDownloadFailureFromForItem": "Falha na transferência de legendas a partir de {0} para {1}",
-    "TvShows": "Séries",
+    "StartupEmbyServerIsLoading": "O servidor Jellyfin está a iniciar. Tenta novamente dentro de instantes.",
+    "SubtitleDownloadFailureFromForItem": "Falha ao transferir legendas de {0} para {1}",
+    "TvShows": "Séries de TV",
    "UserCreatedWithName": "Utilizador {0} criado",
-    "UserDeletedWithName": "Utilizador {0} apagado",
+    "UserDeletedWithName": "Utilizador {0} eliminado",
    "UserDownloadingItemWithValues": "{0} está a transferir {1}",
    "UserLockedOutWithName": "Utilizador {0} bloqueado",
-    "UserOfflineFromDevice": "{0} desligou-se a partir de {1}",
-    "UserOnlineFromDevice": "{0} ligou-se a partir de {1}",
+    "UserOfflineFromDevice": "{0} desligou-se de {1}",
+    "UserOnlineFromDevice": "{0} está online em {1}",
    "UserPasswordChangedWithName": "Palavra-passe alterada para o utilizador {0}",
    "UserStartedPlayingItemWithValues": "{0} está a reproduzir {1} em {2}",
    "UserStoppedPlayingItemWithValues": "{0} terminou a reprodução de {1} em {2}",
    "VersionNumber": "Versão {0}",
-    "TaskDownloadMissingSubtitlesDescription": "Procurar na internet por legendas em falta baseado na configuração de metadados.",
+    "TaskDownloadMissingSubtitlesDescription": "Procura na Internet legendas em falta com base na configuração dos metadados.",
    "TaskDownloadMissingSubtitles": "Transferir legendas em falta",
-    "TaskRefreshChannelsDescription": "Atualizar informação sobre canais da Internet.",
-    "TaskRefreshChannels": "Atualizar Canais",
-    "TaskCleanTranscodeDescription": "Apagar ficheiros de transcode com mais de um dia.",
-    "TaskCleanTranscode": "Limpar a Diretoria de Transcode",
-    "TaskUpdatePluginsDescription": "Faz o download e instala updates para os plugins que estão configurados para atualizar automaticamente.",
-    "TaskUpdatePlugins": "Atualizar Plugins",
-    "TaskRefreshPeopleDescription": "Atualizar metadados para elenco e equipa técnica da tua mediateca.",
-    "TaskRefreshPeople": "Atualizar Pessoas",
-    "TaskCleanLogsDescription": "Apagar ficheiros de log que têm mais de {0} dias.",
-    "TaskCleanLogs": "Limpar a Diretoria de Logs",
-    "TaskRefreshLibraryDescription": "Analisar a mediateca para novos ficheiros e atualizar os metadados.",
-    "TaskRefreshLibrary": "Analisar mediateca",
-    "TaskRefreshChapterImagesDescription": "Criar thumbnails para os vídeos que têm capítulos.",
-    "TaskRefreshChapterImages": "Extrair Imagens dos Capítulos",
-    "TaskCleanCacheDescription": "Apagar ficheiros em cache que já não são necessários.",
-    "TaskCleanCache": "Limpar Cache",
+    "TaskRefreshChannelsDescription": "Atualiza as informações dos canais da Internet.",
+    "TaskRefreshChannels": "Atualizar canais",
+    "TaskCleanTranscodeDescription": "Elimina ficheiros de transcodificação com mais de um dia.",
+    "TaskCleanTranscode": "Limpar pasta de transcodificação",
+    "TaskUpdatePluginsDescription": "Transfere e instala atualizações dos plugins configurados para atualização automática.",
+    "TaskUpdatePlugins": "Atualizar plugins",
+    "TaskRefreshPeopleDescription": "Atualiza os metadados de atores e realizadores na tua biblioteca multimédia.",
+    "TaskRefreshPeople": "Atualizar pessoas",
+    "TaskCleanLogsDescription": "Elimina ficheiros de registo com mais de {0} dias.",
+    "TaskCleanLogs": "Limpar pasta de registos",
+    "TaskRefreshLibraryDescription": "Analisa a biblioteca multimédia à procura de novos ficheiros e atualiza os metadados.",
+    "TaskRefreshLibrary": "Analisar biblioteca multimédia",
+    "TaskRefreshChapterImagesDescription": "Cria miniaturas para vídeos que têm capítulos.",
+    "TaskRefreshChapterImages": "Extrair imagens dos capítulos",
+    "TaskCleanCacheDescription": "Elimina ficheiros de cache que já não são necessários ao sistema.",
+    "TaskCleanCache": "Limpar pasta de cache",
    "TasksChannelsCategory": "Canais da Internet",
    "TasksApplicationCategory": "Aplicação",
-    "TasksLibraryCategory": "Mediateca",
+    "TasksLibraryCategory": "Biblioteca",
    "TasksMaintenanceCategory": "Manutenção",
-    "TaskCleanActivityLogDescription": "Apaga as entradas do registo de atividade anteriores à data configurada.",
+    "TaskCleanActivityLogDescription": "Elimina as entradas do registo de atividade mais antigas do que o período configurado.",
    "TaskCleanActivityLog": "Limpar registo de atividade",
    "Undefined": "Indefinido",
    "Forced": "Forçado",
    "Default": "Predefinição",
-    "TaskOptimizeDatabaseDescription": "Otimiza e liberta espaço livre na base de dados. A execução desta tarefa depois de analisar a mediateca ou efetuar outras alterações que impliquem modificações na base de dados pode melhorar o desempenho.",
+    "TaskOptimizeDatabaseDescription": "Compacta a base de dados e liberta espaço não utilizado. A execução desta tarefa depois de analisar a biblioteca ou de outras alterações que modifiquem a base de dados pode melhorar o desempenho.",
    "TaskOptimizeDatabase": "Otimizar base de dados",
-    "TaskKeyframeExtractorDescription": "Extrai quadros-chave de ficheiros de video para criar listas de reprodução HLS mais precisas. Esta tarefa pode demorar algum tempo.",
-    "TaskKeyframeExtractor": "Extrator de Quadros-chave",
+    "TaskKeyframeExtractorDescription": "Extrai fotogramas-chave de ficheiros de vídeo para criar playlists HLS mais precisas. Esta tarefa pode demorar algum tempo.",
+    "TaskKeyframeExtractor": "Extrator de fotogramas-chave",
    "External": "Externo",
-    "HearingImpaired": "Surdo",
+    "HearingImpaired": "Deficiência auditiva",
    "TaskRefreshTrickplayImages": "Gerar imagens de trickplay",
    "TaskRefreshTrickplayImagesDescription": "Cria pré-visualizações de trickplay para vídeos nas bibliotecas ativadas.",
    "TaskAudioNormalizationDescription": "Analisa os ficheiros para obter dados de normalização de áudio.",
    "TaskAudioNormalization": "Normalização de áudio",
-    "TaskExtractMediaSegments": "Analisar segmentos de multimédia",
-    "TaskDownloadMissingLyrics": "Transferir letra em falta",
-    "TaskMoveTrickplayImages": "Migrar a localização da imagem do Trickplay",
-    "TaskDownloadMissingLyricsDescription": "Transferir letra para músicas",
-    "TaskExtractMediaSegmentsDescription": "Extrai ou obtém segmentos de multimédia a partir de plugins com suporte para MediaSegment.",
-    "TaskMoveTrickplayImagesDescription": "Move os ficheiros trickplay existentes de acordo com as definições da mediateca.",
-    "CleanupUserDataTaskDescription": "Apaga todos os dados de utilizador (estados de reprodução, favoritos, etc) de arquivos média não presentes há 90 dias ou mais.",
+    "TaskExtractMediaSegments": "Analisar segmentos multimédia",
+    "TaskDownloadMissingLyrics": "Transferir letras em falta",
+    "TaskMoveTrickplayImages": "Migrar localização das imagens de trickplay",
+    "TaskDownloadMissingLyricsDescription": "Transfere letras de músicas",
+    "TaskExtractMediaSegmentsDescription": "Extrai ou obtém segmentos multimédia de plugins com MediaSegment ativado.",
+    "TaskMoveTrickplayImagesDescription": "Move os ficheiros de trickplay existentes de acordo com as definições da biblioteca.",
+    "CleanupUserDataTaskDescription": "Remove todos os dados de utilizador (estado de reprodução, estado de favorito, etc.) de conteúdos multimédia que já não estejam presentes há pelo menos 90 dias.",
    "CleanupUserDataTask": "Limpeza de dados de utilizador",
    "Original": "Original",
-    "LyricDownloadFailureFromForItem": "Erro ao descarregar letras de {0} para {1}"
+    "LyricDownloadFailureFromForItem": "Falha ao transferir letras de {0} para {1}",
+    "NameExtraDeletedScene": "Cena eliminada",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraUnknown": "Extra",
+    "NameExtraBehindTheScenes": "Bastidores",
+    "NameExtraSample": "Amostra",
+    "NameExtraScene": "Cena",
+    "NameExtraClip": "Excerto",
+    "NameExtraFeaturette": "Minidocumentário",
+    "NameExtraThemeSong": "Tema musical",
+    "NameExtraThemeVideo": "Vídeo temático",
+    "NameExtraShort": "Curta-metragem",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraTrailer": "Trailer"
 }
@@ -1,112 +1,125 @@
 {
-    "HeaderLiveTV": "TV Em Direto",
+    "HeaderLiveTV": "TV em direto",
    "Collections": "Coleções",
    "Books": "Livros",
    "Artists": "Artistas",
-    "HeaderNextUp": "A Seguir",
-    "HeaderFavoriteEpisodes": "Episódios Favoritos",
-    "HeaderFavoriteShows": "Séries Favoritas",
+    "HeaderNextUp": "A seguir",
+    "HeaderFavoriteEpisodes": "Episódios favoritos",
+    "HeaderFavoriteShows": "Séries favoritas",
    "HeaderContinueWatching": "Continuar a ver",
    "Genres": "Géneros",
    "Folders": "Pastas",
    "Favorites": "Favoritos",
-    "UserDownloadingItemWithValues": "{0} está sendo baixado {1}",
+    "UserDownloadingItemWithValues": "{0} está a transferir {1}",
    "VersionNumber": "Versão {0}",
    "UserStoppedPlayingItemWithValues": "{0} terminou a reprodução de {1} em {2}",
-    "UserStartedPlayingItemWithValues": "{0} está reproduzindo {1} em {2}",
-    "UserPasswordChangedWithName": "A senha do usuário {0} foi alterada",
-    "UserOnlineFromDevice": "{0} está online a partir de {1}",
-    "UserOfflineFromDevice": "{0} desconectou-se a partir de {1}",
-    "UserLockedOutWithName": "O usuário {0} foi bloqueado",
-    "UserDeletedWithName": "O usuário {0} foi removido",
-    "UserCreatedWithName": "O usuário {0} foi criado",
-    "TvShows": "Séries",
-    "SubtitleDownloadFailureFromForItem": "Falha na transferência de legendas de {0} para {1}",
-    "StartupEmbyServerIsLoading": "O servidor Jellyfin está iniciando. Tente novamente dentro de momentos.",
+    "UserStartedPlayingItemWithValues": "{0} está a reproduzir {1} em {2}",
+    "UserPasswordChangedWithName": "Palavra-passe alterada para o utilizador {0}",
+    "UserOnlineFromDevice": "{0} está online em {1}",
+    "UserOfflineFromDevice": "{0} desligou-se de {1}",
+    "UserLockedOutWithName": "Utilizador {0} bloqueado",
+    "UserDeletedWithName": "Utilizador {0} eliminado",
+    "UserCreatedWithName": "Utilizador {0} criado",
+    "TvShows": "Séries de TV",
+    "SubtitleDownloadFailureFromForItem": "Falha ao transferir legendas de {0} para {1}",
+    "StartupEmbyServerIsLoading": "O servidor Jellyfin está a iniciar. Tenta novamente dentro de instantes.",
    "ScheduledTaskFailedWithName": "{0} falhou",
    "PluginUpdatedWithName": "{0} foi atualizado",
    "PluginUninstalledWithName": "{0} foi desinstalado",
    "PluginInstalledWithName": "{0} foi instalado",
-    "NotificationOptionVideoPlaybackStopped": "Reprodução de vídeo parada",
+    "NotificationOptionVideoPlaybackStopped": "Reprodução de vídeo interrompida",
    "NotificationOptionVideoPlayback": "Reprodução de vídeo iniciada",
-    "NotificationOptionUserLockedOut": "Usuário bloqueado",
-    "NotificationOptionTaskFailed": "Falha na tarefa agendada",
-    "NotificationOptionServerRestartRequired": "É necessário reiniciar o servidor",
-    "NotificationOptionPluginUpdateInstalled": "Plugin atualizado",
+    "NotificationOptionUserLockedOut": "Utilizador bloqueado",
+    "NotificationOptionTaskFailed": "Falha em tarefa agendada",
+    "NotificationOptionServerRestartRequired": "Necessário reiniciar o servidor",
+    "NotificationOptionPluginUpdateInstalled": "Atualização de plugin instalada",
    "NotificationOptionPluginUninstalled": "Plugin desinstalado",
    "NotificationOptionPluginInstalled": "Plugin instalado",
    "NotificationOptionPluginError": "Falha no plugin",
    "NotificationOptionNewLibraryContent": "Novo conteúdo adicionado",
-    "NotificationOptionInstallationFailed": "Falha de instalação",
-    "NotificationOptionCameraImageUploaded": "Imagem de câmera enviada",
-    "NotificationOptionAudioPlaybackStopped": "Reprodução Parada",
-    "NotificationOptionAudioPlayback": "Reprodução Iniciada",
-    "NotificationOptionApplicationUpdateInstalled": "A atualização do aplicativo foi instalada",
-    "NotificationOptionApplicationUpdateAvailable": "Uma atualização do aplicativo está disponível",
-    "NewVersionIsAvailable": "Uma nova versão do servidor Jellyfin está disponível para download.",
-    "NameSeasonUnknown": "Temporada Desconhecida",
+    "NotificationOptionInstallationFailed": "Falha na instalação",
+    "NotificationOptionCameraImageUploaded": "Imagem da câmara enviada",
+    "NotificationOptionAudioPlaybackStopped": "Reprodução de áudio interrompida",
+    "NotificationOptionAudioPlayback": "Reprodução de áudio iniciada",
+    "NotificationOptionApplicationUpdateInstalled": "Atualização de aplicação instalada",
+    "NotificationOptionApplicationUpdateAvailable": "Atualização de aplicação disponível",
+    "NewVersionIsAvailable": "Está disponível para transferência uma nova versão do servidor Jellyfin.",
+    "NameSeasonUnknown": "Temporada desconhecida",
    "NameSeasonNumber": "Temporada {0}",
    "NameInstallFailed": "Falha na instalação de {0}",
    "MusicVideos": "Videoclipes",
    "Music": "Música",
-    "MixedContent": "Conteúdo diverso",
-    "Latest": "Mais Recente",
+    "MixedContent": "Conteúdo misto",
+    "Latest": "Mais recente",
    "LabelRunningTimeValue": "Duração: {0}",
-    "LabelIpAddressValue": "Endereço de IP: {0}",
+    "LabelIpAddressValue": "Endereço IP: {0}",
    "Inherit": "Herdar",
-    "HomeVideos": "Vídeos Caseiros",
+    "HomeVideos": "Vídeos caseiros",
    "Shows": "Séries",
    "Photos": "Fotografias",
    "Movies": "Filmes",
-    "FailedLoginAttemptWithUserName": "Tentativa de início de sessão falhada a partir de {0}",
+    "FailedLoginAttemptWithUserName": "Tentativa falhada de início de sessão do utilizador {0}",
    "ChapterNameValue": "Capítulo {0}",
    "AuthenticationSucceededWithUserName": "{0} autenticado com sucesso",
    "AppDeviceValues": "Aplicação: {0}, Dispositivo: {1}",
-    "TaskCleanCache": "Limpar Diretório de Cache",
+    "TaskCleanCache": "Limpar pasta de cache",
    "TasksApplicationCategory": "Aplicação",
-    "TasksLibraryCategory": "Mediateca",
+    "TasksLibraryCategory": "Biblioteca",
    "TasksMaintenanceCategory": "Manutenção",
-    "TaskRefreshChannels": "Atualizar Canais",
-    "TaskUpdatePlugins": "Atualizar Plugins",
-    "TaskCleanLogsDescription": "Deletar arquivos de log que existe a mais de {0} dias.",
-    "TaskCleanLogs": "Limpar diretório de logs",
-    "TaskRefreshLibrary": "Analisar mediateca",
+    "TaskRefreshChannels": "Atualizar canais",
+    "TaskUpdatePlugins": "Atualizar plugins",
+    "TaskCleanLogsDescription": "Elimina ficheiros de registo com mais de {0} dias.",
+    "TaskCleanLogs": "Limpar pasta de registos",
+    "TaskRefreshLibrary": "Analisar biblioteca multimédia",
    "TaskRefreshChapterImagesDescription": "Cria miniaturas para vídeos que têm capítulos.",
-    "TaskCleanCacheDescription": "Apaga ficheiros em cache que já não são usados pelo sistema.",
-    "TasksChannelsCategory": "Canais de Internet",
-    "TaskRefreshChapterImages": "Extrair Imagens do Capítulo",
-    "TaskDownloadMissingSubtitlesDescription": "Pesquisa na Internet as legendas em falta com base na configuração de metadados.",
+    "TaskCleanCacheDescription": "Elimina ficheiros de cache que já não são necessários ao sistema.",
+    "TasksChannelsCategory": "Canais da Internet",
+    "TaskRefreshChapterImages": "Extrair imagens dos capítulos",
+    "TaskDownloadMissingSubtitlesDescription": "Procura na Internet legendas em falta com base na configuração dos metadados.",
    "TaskDownloadMissingSubtitles": "Transferir legendas em falta",
-    "TaskRefreshChannelsDescription": "Atualiza as informações do canal da Internet.",
-    "TaskCleanTranscodeDescription": "Apagar os ficheiros com mais de um dia, de Transcode.",
-    "TaskCleanTranscode": "Limpar o diretório de Transcode",
-    "TaskUpdatePluginsDescription": "Baixa e instala as atualizações para plug-ins configurados para atualização automática.",
-    "TaskRefreshPeopleDescription": "Atualizar metadados para elenco e equipa técnica da tua mediateca.",
+    "TaskRefreshChannelsDescription": "Atualiza as informações dos canais da Internet.",
+    "TaskCleanTranscodeDescription": "Elimina ficheiros de transcodificação com mais de um dia.",
+    "TaskCleanTranscode": "Limpar pasta de transcodificação",
+    "TaskUpdatePluginsDescription": "Transfere e instala atualizações dos plugins configurados para atualização automática.",
+    "TaskRefreshPeopleDescription": "Atualiza os metadados de atores e realizadores na tua biblioteca multimédia.",
    "TaskRefreshPeople": "Atualizar pessoas",
-    "TaskRefreshLibraryDescription": "Analisar a mediateca para novos ficheiros e atualizar os metadados.",
-    "TaskCleanActivityLog": "Limpar registro de atividade",
+    "TaskRefreshLibraryDescription": "Analisa a biblioteca multimédia à procura de novos ficheiros e atualiza os metadados.",
+    "TaskCleanActivityLog": "Limpar registo de atividade",
    "Undefined": "Indefinido",
    "Forced": "Forçado",
    "Default": "Predefinição",
-    "TaskCleanActivityLogDescription": "Apaga itens no registro com idade acima do que é configurado.",
+    "TaskCleanActivityLogDescription": "Elimina as entradas do registo de atividade mais antigas do que o período configurado.",
    "TaskOptimizeDatabase": "Otimizar base de dados",
-    "TaskOptimizeDatabaseDescription": "Otimiza e liberta espaço livre na base de dados. A execução desta tarefa depois de analisar a mediateca ou efetuar outras alterações que impliquem modificações na base de dados pode melhorar o desempenho.",
+    "TaskOptimizeDatabaseDescription": "Compacta a base de dados e liberta espaço não utilizado. A execução desta tarefa depois de analisar a biblioteca ou de outras alterações que modifiquem a base de dados pode melhorar o desempenho.",
    "External": "Externo",
-    "HearingImpaired": "Problemas auditivos",
-    "TaskKeyframeExtractor": "Extrator de quadro-chave",
-    "TaskKeyframeExtractorDescription": "Retira frames chave do video para criar listas HLS precisas. Esta tarefa pode correr durante algum tempo.",
+    "HearingImpaired": "Deficiência auditiva",
+    "TaskKeyframeExtractor": "Extrator de fotogramas-chave",
+    "TaskKeyframeExtractorDescription": "Extrai fotogramas-chave de ficheiros de vídeo para criar playlists HLS mais precisas. Esta tarefa pode demorar algum tempo.",
    "TaskRefreshTrickplayImages": "Gerar imagens de trickplay",
    "TaskRefreshTrickplayImagesDescription": "Cria pré-visualizações de trickplay para vídeos nas bibliotecas ativadas.",
    "TaskAudioNormalizationDescription": "Analisa os ficheiros para obter dados de normalização de áudio.",
    "TaskAudioNormalization": "Normalização de áudio",
-    "TaskDownloadMissingLyrics": "Transferir letra em falta",
-    "TaskDownloadMissingLyricsDescription": "Transferir letra para músicas",
-    "TaskMoveTrickplayImagesDescription": "Move os ficheiros trickplay existentes de acordo com as definições da mediateca.",
-    "TaskExtractMediaSegments": "Analisar segmentos de multimédia",
-    "TaskExtractMediaSegmentsDescription": "Extrai ou obtém segmentos de multimédia a partir de plugins com suporte para MediaSegment.",
-    "TaskMoveTrickplayImages": "Migrar a localização da imagem do Trickplay",
-    "CleanupUserDataTask": "Task de limpeza de dados do usuário",
-    "CleanupUserDataTaskDescription": "Remove todos os dados do usuário (progresso, favoritos etc) de mídias que não estão presentes há pelo menos 90 dias.",
+    "TaskDownloadMissingLyrics": "Transferir letras em falta",
+    "TaskDownloadMissingLyricsDescription": "Transfere letras de músicas",
+    "TaskMoveTrickplayImagesDescription": "Move os ficheiros de trickplay existentes de acordo com as definições da biblioteca.",
+    "TaskExtractMediaSegments": "Analisar segmentos multimédia",
+    "TaskExtractMediaSegmentsDescription": "Extrai ou obtém segmentos multimédia de plugins com MediaSegment ativado.",
+    "TaskMoveTrickplayImages": "Migrar localização das imagens de trickplay",
+    "CleanupUserDataTask": "Limpeza de dados de utilizador",
+    "CleanupUserDataTaskDescription": "Remove todos os dados de utilizador (estado de reprodução, estado de favorito, etc.) de conteúdos multimédia que já não estejam presentes há pelo menos 90 dias.",
    "Original": "Original",
-    "LyricDownloadFailureFromForItem": "Erro ao descarregar letras de {0} para {1}"
+    "LyricDownloadFailureFromForItem": "Falha ao transferir letras de {0} para {1}",
+    "NameExtraBehindTheScenes": "Bastidores",
+    "NameExtraClip": "Excerto",
+    "NameExtraDeletedScene": "Cena eliminada",
+    "NameExtraFeaturette": "Minidocumentário",
+    "NameExtraInterview": "Entrevista",
+    "NameExtraSample": "Amostra",
+    "NameExtraShort": "Curta-metragem",
+    "NameExtraThemeSong": "Tema musical",
+    "NameExtraThemeVideo": "Vídeo temático",
+    "NameExtraScene": "Cena",
+    "NameExtraUnknown": "Extra",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraNumbered": "{0} {1}"
 }
@@ -108,5 +108,8 @@
    "CleanupUserDataTask": "Sarcina de curatare a datelor utilizatorului",
    "CleanupUserDataTaskDescription": "Sterge toate datele utilizatorului (starea vizionarii, starea favoritelor etc.) de pe suporturile media care nu mai sunt prezente timp de cel puțin 90 de zile.",
    "LyricDownloadFailureFromForItem": "Versurile nu au putut fi descărcate din {0} pentru {1}",
-    "Original": "Original"
+    "Original": "Original",
+    "NameExtraBehindTheScenes": "În culise",
+    "NameExtraClip": "Clip",
+    "NameExtraDeletedScene": "Scenă ștearsă"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Задача очистки пользовательских данных",
    "CleanupUserDataTaskDescription": "Очищает все пользовательские данные (состояние просмотра, статус избранного и т.д.) с медиа, отсутствующих по меньшей мере в течение 90 дней.",
    "Original": "Оригинальный",
-    "LyricDownloadFailureFromForItem": "Не получилось скачать текст песни с {0} для {1}"
+    "LyricDownloadFailureFromForItem": "Не получилось скачать текст песни с {0} для {1}",
+    "NameExtraBehindTheScenes": "За кадром",
+    "NameExtraClip": "Отрывок",
+    "NameExtraDeletedScene": "Удалённая сцена",
+    "NameExtraFeaturette": "Короткометражка",
+    "NameExtraInterview": "Интервью",
+    "NameExtraSample": "Образец",
+    "NameExtraScene": "Сцена",
+    "NameExtraThemeSong": "Заглавная песня",
+    "NameExtraThemeVideo": "Заглавное видео",
+    "NameExtraTrailer": "Трейлер",
+    "NameExtraUnknown": "Дополнительный материал",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraShort": "Короткометражка"
 }
@@ -91,7 +91,7 @@
    "Default": "Predvolené",
    "TaskOptimizeDatabaseDescription": "Zmenší databázu a odstráni prázdne miesto. Spustenie tejto úlohy po skenovaní knižnice alebo po iných zmenách zahŕňajúcich úpravy databáze môže zlepšiť výkon.",
    "TaskOptimizeDatabase": "Optimalizovať databázu",
-    "TaskKeyframeExtractorDescription": "Extrahuje kľúčové snímky z video súborov na vytvorenie presnejších HLS playlistov. Táto úloha môže trvať dlhšiu dobu.",
+    "TaskKeyframeExtractorDescription": "Extrahuje kľúčové snímky z video súborov na vytvorenie presnejších HLS zoznamov prehrávania. Táto úloha môže trvať dlhšiu dobu.",
    "TaskKeyframeExtractor": "Extraktor kľúčových snímkov",
    "External": "Externé",
    "HearingImpaired": "Sluchovo postihnutí",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Prečistiť používateľské dáta",
    "CleanupUserDataTaskDescription": "Vyčistí všetky dáta používateľa (stav sledovania, stav obľúbených atď.) z médií, ktoré už neexistujú aspoň 90 dní.",
    "LyricDownloadFailureFromForItem": "Text piesne sa nepodarilo stiahnuť z {0} pre {1}",
-    "Original": "Originál"
+    "Original": "Originál",
+    "NameExtraBehindTheScenes": "Zo zákulisia",
+    "NameExtraClip": "Klip",
+    "NameExtraDeletedScene": "Vystrihnutá scéna",
+    "NameExtraFeaturette": "Bonus",
+    "NameExtraInterview": "Rozhovor",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Ukážka",
+    "NameExtraScene": "Scéna",
+    "NameExtraShort": "Krátky film",
+    "NameExtraThemeSong": "Úvodná pieseň",
+    "NameExtraThemeVideo": "Úvodné video",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraUnknown": "Extra"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Pastron të gjitha të dhënat e përdorueseve (gjendja e shikimit, statusi i të preferuarave etj.) nga mediat që nuk janë më të pranishme për të paktën 90 ditë.",
    "CleanupUserDataTask": "Veprim për pastrimin të dhënave të përdorueseve",
    "LyricDownloadFailureFromForItem": "Teksti i këngës nuk arriti të shkarkohej nga {0} për {1}",
-    "Original": "Origjinal"
+    "Original": "Origjinal",
+    "NameExtraBehindTheScenes": "Pamje nga prapaskenat",
+    "NameExtraClip": "Pjesë",
+    "NameExtraDeletedScene": "Skenë e fshirë",
+    "NameExtraFeaturette": "Film i shkurtër",
+    "NameExtraInterview": "Intervistë",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Shembull",
+    "NameExtraScene": "Skenë",
+    "NameExtraShort": "Film i shkurtër",
+    "NameExtraThemeSong": "Kënga e temës",
+    "NameExtraThemeVideo": "Videoja e temës",
+    "NameExtraTrailer": "Parapamje",
+    "NameExtraUnknown": "Shtesë"
 }
@@ -108,5 +108,18 @@
    "TaskMoveTrickplayImages": "Промени локацију сличица за визуелно премотавање",
    "TaskDownloadMissingLyricsDescription": "Преузми стихове песама",
    "LyricDownloadFailureFromForItem": "Није успело преузимање стихова са {0} за {1}",
-    "Original": "Изворно"
+    "Original": "Изворно",
+    "NameExtraBehindTheScenes": "Иза кулиса",
+    "NameExtraClip": "Исечак",
+    "NameExtraDeletedScene": "Обрисана сцена",
+    "NameExtraFeaturette": "Кратки прилог",
+    "NameExtraInterview": "Интервју",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Узорак",
+    "NameExtraScene": "Сцена",
+    "NameExtraShort": "Кратки филм",
+    "NameExtraThemeSong": "Музичка тема",
+    "NameExtraThemeVideo": "Спот музичке теме",
+    "NameExtraTrailer": "Реклама",
+    "NameExtraUnknown": "Додатак"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTaskDescription": "Tar bort all användardata (såsom vad du sett, favoriter med mera) för media som inte funnits på enheten på minst 90 dagar.",
    "CleanupUserDataTask": "Uppgift för rensning av användardata",
    "Original": "Original",
-    "LyricDownloadFailureFromForItem": "Misslyckades att ladda ner låttexter från {0} för {1}"
+    "LyricDownloadFailureFromForItem": "Misslyckades att ladda ner låttexter från {0} för {1}",
+    "NameExtraBehindTheScenes": "Bakom kulisserna",
+    "NameExtraDeletedScene": "Borttagen scen",
+    "NameExtraInterview": "Intervju",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraScene": "Scen",
+    "NameExtraShort": "Kortfilm",
+    "NameExtraThemeSong": "Signaturmelodi",
+    "NameExtraTrailer": "Trailer",
+    "NameExtraClip": "Klipp",
+    "NameExtraFeaturette": "Kortfilm",
+    "NameExtraSample": "Prov",
+    "NameExtraThemeVideo": "Signaturvideo",
+    "NameExtraUnknown": "Extra"
 }
@@ -106,5 +106,20 @@
    "TaskExtractMediaSegments": "மீடியா பிரிவு ஸ்கேன்",
    "TaskExtractMediaSegmentsDescription": "மீடியாசெக்மென்ட் இயக்கப்பட்ட செருகுநிரல்களிலிருந்து மீடியா பிரிவுகளைப் பிரித்தெடுக்கிறது அல்லது பெறுகிறது.",
    "CleanupUserDataTaskDescription": "குறைந்தது 90 நாட்களுக்கு இல்லாத மீடியாவிலிருந்து அனைத்து பயனர் தரவையும் (கண்காணிப்பு நிலை, பிடித்த நிலை போன்றவை) சுத்தம் செய்கிறது.",
-    "CleanupUserDataTask": "பயனர் தரவை சுத்தம் செய்யும் பணி"
+    "CleanupUserDataTask": "பயனர் தரவை சுத்தம் செய்யும் பணி",
+    "LyricDownloadFailureFromForItem": "{0} இலிருந்து {1} க்கு பாடல் வரிகளைப் பதிவிறக்க முடியவில்லை",
+    "NameExtraBehindTheScenes": "திரைக்குப் பின்னால்",
+    "NameExtraClip": "துண்டுக்காட்சி",
+    "NameExtraDeletedScene": "நீக்கப்பட்ட காட்சிகள்",
+    "NameExtraFeaturette": "திரைப்பின்னணித் தொகுப்பு",
+    "NameExtraInterview": "நேர்காணல்",
+    "NameExtraSample": "மாதிரி",
+    "NameExtraScene": "காட்சி",
+    "NameExtraShort": "குறுகிய",
+    "NameExtraThemeSong": "மையப் பாடல்",
+    "NameExtraThemeVideo": "மையக் காணொளி",
+    "NameExtraTrailer": "முன்னோட்டம்",
+    "NameExtraUnknown": "கூடுதல்",
+    "Original": "அசல்",
+    "NameExtraNumbered": "{0} {1}"
 }
@@ -1,5 +1,5 @@
 {
-    "AppDeviceValues": "Uygulama: {0}, Aygıt: {1}",
+    "AppDeviceValues": "Uygulama: {0}, Cihaz: {1}",
    "Artists": "Sanatçılar",
    "AuthenticationSucceededWithUserName": "{0} kimliği başarıyla doğrulandı",
    "Books": "Kitaplar",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Kullanıcı verisi temizleme görevi",
    "CleanupUserDataTaskDescription": "En az 90 gün boyunca artık mevcut olmayan medyadaki tüm kullanıcı verilerini (İzleme durumu, favori durumu vb.) temizler.",
    "LyricDownloadFailureFromForItem": "{1} şarkı sözleri {0} adresinden indirilemedi",
-    "Original": "Orijinal"
+    "Original": "Orijinal",
+    "NameExtraBehindTheScenes": "Kamera Arkası",
+    "NameExtraClip": "Klip",
+    "NameExtraDeletedScene": "Silinmiş Sahne",
+    "NameExtraFeaturette": "Kısa film",
+    "NameExtraInterview": "Röportaj",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Örnek",
+    "NameExtraScene": "Sahne",
+    "NameExtraShort": "Kısa",
+    "NameExtraThemeSong": "Tanıtım Müziği",
+    "NameExtraThemeVideo": "Tanıtım Videosu",
+    "NameExtraTrailer": "Fragman",
+    "NameExtraUnknown": "Fazladan"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "Завдання очищення даних користувача",
    "CleanupUserDataTaskDescription": "Очищає всі дані користувача (стан перегляду, статус обраного тощо) з медіа, які перестали бути доступними щонайменше 90 днів тому.",
    "Original": "Оригінал",
-    "LyricDownloadFailureFromForItem": "Не вдалося завантажити текст пісні з {0} для {1}"
+    "LyricDownloadFailureFromForItem": "Не вдалося завантажити текст пісні з {0} для {1}",
+    "NameExtraBehindTheScenes": "За лаштунками",
+    "NameExtraClip": "Кліп",
+    "NameExtraDeletedScene": "Видалена сцена",
+    "NameExtraFeaturette": "Фічуретка",
+    "NameExtraInterview": "Інтерв’ю",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Приклад",
+    "NameExtraScene": "Сцена",
+    "NameExtraShort": "Коротко",
+    "NameExtraThemeSong": "Тематична пісня",
+    "NameExtraThemeVideo": "Тематичне вiдео",
+    "NameExtraTrailer": "Трейлер",
+    "NameExtraUnknown": "Додатково"
 }
@@ -32,7 +32,7 @@
    "TasksLibraryCategory": "Thư Viện",
    "TasksMaintenanceCategory": "Bảo Trì",
    "VersionNumber": "Phiên Bản {0}",
-    "UserStoppedPlayingItemWithValues": "{0} đã kết thúc phát {1} trên {2}",
+    "UserStoppedPlayingItemWithValues": "{0} đã phát xong {1} trên {2}",
    "UserStartedPlayingItemWithValues": "{0} đang phát {1} trên {2}",
    "UserPasswordChangedWithName": "Mật khẩu đã được thay đổi cho người dùng {0}",
    "UserOnlineFromDevice": "{0} trực tuyến từ {1}",
@@ -79,7 +79,7 @@
    "HeaderNextUp": "Tiếp Theo",
    "HeaderFavoriteShows": "Chương Trình Yêu Thích",
    "HeaderFavoriteEpisodes": "Tập Phim Yêu Thích",
-    "FailedLoginAttemptWithUserName": "Nỗ lực đăng nhập không thành công từ {0}",
+    "FailedLoginAttemptWithUserName": "Cố gắng đăng nhập thất bại từ {0}",
    "ChapterNameValue": "Phân Cảnh {0}",
    "Books": "Sách",
    "AuthenticationSucceededWithUserName": "{0} xác thực thành công",
@@ -95,18 +95,31 @@
    "TaskKeyframeExtractorDescription": "Trích xuất khung hình chính từ các tệp video để tạo danh sách phát HLS chính xác hơn. Tác vụ này có thể chạy trong một thời gian dài.",
    "External": "Bên ngoài",
    "HearingImpaired": "Khiếm Thính",
-    "TaskRefreshTrickplayImages": "Tạo Ảnh Xem Trước Trickplay",
-    "TaskRefreshTrickplayImagesDescription": "Tạo bản xem trước trịckplay cho video trong thư viện đã bật.",
+    "TaskRefreshTrickplayImages": "Tạo Ảnh Tua Nhanh (Trickplay)",
+    "TaskRefreshTrickplayImagesDescription": "Tạo ảnh tua nhanh (trịckplay) xem thử cho các video trong các thư viện được kích hoạt.",
    "TaskAudioNormalization": "Chuẩn Hóa Âm Thanh",
    "TaskAudioNormalizationDescription": "Quét tập tin để tìm dữ liệu chuẩn hóa âm thanh.",
    "TaskDownloadMissingLyricsDescription": "Tải xuống lời cho bài hát",
    "TaskDownloadMissingLyrics": "Tải xuống lời bị thiếu",
    "TaskExtractMediaSegmentsDescription": "Trích xuất hoặc lấy các phân đoạn phương tiện từ các plugin hỗ trợ MediaSegment.",
-    "TaskMoveTrickplayImages": "Di chuyển vị trí hình ảnh Trickplay",
-    "TaskMoveTrickplayImagesDescription": "Di chuyển các tập tin trickplay hiện có theo cài đặt thư viện.",
+    "TaskMoveTrickplayImages": "Di Chuyển Vị Trí Ảnh Tua Nhanh (Trickplay)",
+    "TaskMoveTrickplayImagesDescription": "Di chuyển các tệp ảnh tua nhanh (trickplay) hiện có theo cài đặt thư viện.",
    "TaskExtractMediaSegments": "Quét Phân Đoạn Phương Tiện",
    "CleanupUserDataTask": "Tác vụ dọn dẹp dữ liệu người dùng",
    "CleanupUserDataTaskDescription": "Làm sạch tất cả dữ liệu người dùng (trạng thái xem, trạng thái yêu thích, v.v.) từ phương tiện không còn có mặt trong ít nhất 90 ngày.",
    "Original": "Gốc",
-    "LyricDownloadFailureFromForItem": "Lời bài hát không tải xuống được từ {0} cho {1}"
+    "LyricDownloadFailureFromForItem": "Lời bài hát không tải xuống được từ {0} cho {1}",
+    "NameExtraBehindTheScenes": "Hậu Trường",
+    "NameExtraDeletedScene": "Cảnh Bị Xóa",
+    "NameExtraInterview": "Phỏng vấn",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "Mẫu",
+    "NameExtraScene": "Cảnh",
+    "NameExtraShort": "Ngắn",
+    "NameExtraThemeSong": "Bài Hát Chủ Đề",
+    "NameExtraThemeVideo": "Video Chủ Đề",
+    "NameExtraFeaturette": "Nội dung phụ",
+    "NameExtraClip": "Clip ngắn",
+    "NameExtraTrailer": "Đoạn giới thiệu",
+    "NameExtraUnknown": "Nội dung bổ sung"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "用户数据清理任务",
    "CleanupUserDataTaskDescription": "清理已被删除超过90天的媒体中的所有用户数据（观看状态、收藏夹状态等）。",
    "LyricDownloadFailureFromForItem": "无法从 {0} 下载 {1} 的歌词",
-    "Original": "原始"
+    "Original": "原始",
+    "NameExtraBehindTheScenes": "幕后花絮",
+    "NameExtraClip": "片段",
+    "NameExtraDeletedScene": "删减场景",
+    "NameExtraFeaturette": "花絮",
+    "NameExtraInterview": "采访",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "试看",
+    "NameExtraScene": "精选片段",
+    "NameExtraShort": "短篇",
+    "NameExtraThemeSong": "主题曲",
+    "NameExtraThemeVideo": "主题视频",
+    "NameExtraTrailer": "预告片",
+    "NameExtraUnknown": "额外内容"
 }
@@ -10,8 +10,8 @@
    "Folders": "資料夾",
    "Genres": "風格",
    "HeaderContinueWatching": "繼續睇返",
-    "HeaderFavoriteEpisodes": "心水嘅劇集",
-    "HeaderFavoriteShows": "心水嘅節目",
+    "HeaderFavoriteEpisodes": "心水劇集",
+    "HeaderFavoriteShows": "心水節目",
    "HeaderLiveTV": "電視直播",
    "HeaderNextUp": "跟住落嚟",
    "HomeVideos": "家庭影片",
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "清理使用者資料嘅任務",
    "CleanupUserDataTaskDescription": "清理已消失至少 90 日嘅媒體用家數據（包括觀看狀態、心水狀態等）。",
    "LyricDownloadFailureFromForItem": "冇辦法從 {0} 下載 {1} 嘅歌詞",
-    "Original": "原始"
+    "Original": "原始",
+    "NameExtraBehindTheScenes": "幕後花絮",
+    "NameExtraClip": "片段",
+    "NameExtraDeletedScene": "刪減場景",
+    "NameExtraFeaturette": "花絮",
+    "NameExtraInterview": "采訪",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "試看",
+    "NameExtraScene": "精選片段",
+    "NameExtraShort": "短篇",
+    "NameExtraThemeSong": "主題曲",
+    "NameExtraThemeVideo": "主題影片",
+    "NameExtraTrailer": "預告片",
+    "NameExtraUnknown": "額外內容"
 }
@@ -108,5 +108,18 @@
    "CleanupUserDataTask": "用戶資料清理工作",
    "CleanupUserDataTaskDescription": "從用戶資料中清除已被刪除超過 90 天的媒體的相關資料。",
    "Original": "原作",
-    "LyricDownloadFailureFromForItem": "無法從 {0} 下載 {1} 的歌詞"
+    "LyricDownloadFailureFromForItem": "無法從 {0} 下載 {1} 的歌詞",
+    "NameExtraBehindTheScenes": "幕後花絮",
+    "NameExtraClip": "片段",
+    "NameExtraDeletedScene": "刪減場景",
+    "NameExtraFeaturette": "花絮",
+    "NameExtraInterview": "采訪",
+    "NameExtraNumbered": "{0} {1}",
+    "NameExtraSample": "試看",
+    "NameExtraScene": "精選片段",
+    "NameExtraShort": "短篇",
+    "NameExtraThemeSong": "主題曲",
+    "NameExtraThemeVideo": "主題影片",
+    "NameExtraTrailer": "預告片",
+    "NameExtraUnknown": "額外內容"
 }
@@ -255,6 +255,14 @@ namespace Emby.Server.Implementations.Plugins
            }

            _plugins.Add(plugin);
+
+            // Updating a disabled plugin must not enable it again.
+            if (plugin.Manifest.Status == PluginStatus.Disabled)
+            {
+                ProcessAlternative(plugin);
+                return;
+            }
+
            EnablePlugin(plugin);
        }

@@ -632,9 +640,10 @@ namespace Emby.Server.Implementations.Plugins
                return;
            }

-            var predecessor = _plugins.OrderByDescending(p => p.Version)
-                .FirstOrDefault(p => p.Id.Equals(plugin.Id) && p.IsEnabledAndSupported && p.Version != plugin.Version);
-            if (predecessor is not null)
+            var successor = _plugins.FirstOrDefault(p => p.Id.Equals(plugin.Id)
+                && p.Version > plugin.Version
+                && (p.IsEnabledAndSupported || p.Manifest.Status == PluginStatus.Disabled));
+            if (successor is not null)
            {
                return;
            }
@@ -763,6 +772,8 @@ namespace Emby.Server.Implementations.Plugins
                var entry = versions[x];
                if (!string.Equals(lastName, entry.Name, StringComparison.OrdinalIgnoreCase))
                {
+                    lastName = string.Empty;
+
                    if (!TryGetPluginDlls(entry, out var allowedDlls))
                    {
                        _logger.LogError("One or more assembly paths was invalid. Marking plugin {Plugin} as \"Malfunctioned\".", entry.Name);
@@ -772,15 +783,18 @@ namespace Emby.Server.Implementations.Plugins

                    entry.DllFiles = allowedDlls;

+                    // Only clean up older versions when this version will actually be loaded.
                    if (entry.IsEnabledAndSupported)
                    {
                        lastName = entry.Name;
-                        continue;
                    }
+
+                    continue;
                }

                if (string.IsNullOrEmpty(lastName))
                {
+                    // Unnamed plugin, so there is nothing to match older versions against.
                    continue;
                }

@@ -891,9 +905,9 @@ namespace Emby.Server.Implementations.Plugins

            if (previousVersion is null)
            {
-                // This value is memory only - so that the web will show restart required.
-                plugin.Manifest.Status = PluginStatus.Restart;
-                plugin.Manifest.AutoUpdate = false;
+                // Memory only, so that the web will show restart required. The manifest must keep
+                // holding the persisted state, or a later save would write the wrong state to disk.
+                plugin.RestartRequired = true;
                return;
            }

@@ -906,9 +920,7 @@ namespace Emby.Server.Implementations.Plugins
                _logger.LogError("Unable to supercede version {Version} of {Name}", previousVersion.Version, previousVersion.Name);
            }

-            // This value is memory only - so that the web will show restart required.
-            plugin.Manifest.Status = PluginStatus.Restart;
-            plugin.Manifest.AutoUpdate = false;
+            plugin.RestartRequired = true;
        }
    }
 }
@@ -174,7 +174,7 @@ public partial class AudioNormalizationTask : IScheduledTask
                if (!t.NormalizationGain.HasValue && !t.LUFS.HasValue && t.IsFileProtocol)
                {
                    t.LUFS = await CalculateLUFSAsync(
-                        string.Format(CultureInfo.InvariantCulture, "-i \"{0}\"", t.Path.Replace("\"", "\\\"", StringComparison.Ordinal)),
+                        string.Format(CultureInfo.InvariantCulture, "-i \"{0}\"", t.Path.EscapeProcessArgument()),
                        false,
                        cancellationToken).ConfigureAwait(false);
                    toSaveDbItems.Add(t);
@@ -109,6 +109,8 @@ public class PeopleValidationTask : IScheduledTask, IConfigurableScheduledTask
            var dupQuery = context.Peoples
                    .GroupBy(e => new { e.Name, e.PersonType })
                    .Where(e => e.Count() > 1)
+                    .OrderBy(e => e.Key.Name)
+                    .ThenBy(e => e.Key.PersonType)
                    .Select(e => e.Select(f => f.Id).ToArray());

            var total = dupQuery.Count();
@@ -177,33 +179,14 @@ public class PeopleValidationTask : IScheduledTask, IConfigurableScheduledTask
        var thirtyDaysAgo = DateTime.UtcNow.AddDays(-30);
        var personTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Person];

+        List<Guid> peopleIds;
+
        var context = await _dbContextFactory.CreateDbContextAsync(cancellationToken).ConfigureAwait(false);
        await using (context.ConfigureAwait(false))
        {
-            const int PartitionSize = 100;
-
-            var numPeople = await context.BaseItems
-                .AsNoTracking()
-                .Where(b => b.Type == personTypeName)
-                .Where(b => b.DateLastRefreshed == null || b.DateLastRefreshed < thirtyDaysAgo)
-                .Where(b =>
-                    !b.Images!.Any(i => i.ImageType == ImageInfoImageType.Primary) ||
-                    string.IsNullOrEmpty(b.Overview))
-                .CountAsync(cancellationToken)
-                .ConfigureAwait(false);
-
-            _logger.LogDebug("Found {Count} people needing image/overview refresh", numPeople);
-
-            if (numPeople == 0)
-            {
-                progress.Report(100);
-                return;
-            }
-
-            var numComplete = 0;
-            var numRefreshed = 0;
-
-            await foreach (var entry in context.BaseItems
+            // Read the candidates in one go rather than paging them. A refresh stamps the person and takes
+            // it out of this set, so a growing offset over a shrinking set walks past people it never visits.
+            peopleIds = await context.BaseItems
                .AsNoTracking()
                .Where(b => b.Type == personTypeName)
                .Where(b => b.DateLastRefreshed == null || b.DateLastRefreshed < thirtyDaysAgo)
@@ -211,22 +194,36 @@ public class PeopleValidationTask : IScheduledTask, IConfigurableScheduledTask
                    !b.Images!.Any(i => i.ImageType == ImageInfoImageType.Primary) ||
                    string.IsNullOrEmpty(b.Overview))
                .OrderBy(b => b.Id)
-                .WithPartitionProgress(partition => _logger.LogDebug("Processing people partition {Partition}", partition))
-                .PartitionEagerAsync(PartitionSize, cancellationToken)
-                .WithCancellation(cancellationToken)
-                .ConfigureAwait(false))
-            {
-                if (await RefreshPersonAsync(entry.Id, cancellationToken).ConfigureAwait(false))
-                {
-                    numRefreshed++;
-                }
+                .Select(b => b.Id)
+                .ToListAsync(cancellationToken)
+                .ConfigureAwait(false);
+        }

-                numComplete++;
-                progress.Report(100.0 * numComplete / numPeople);
+        _logger.LogDebug("Found {Count} people needing image/overview refresh", peopleIds.Count);
+
+        if (peopleIds.Count == 0)
+        {
+            progress.Report(100);
+            return;
+        }
+
+        var numComplete = 0;
+        var numRefreshed = 0;
+
+        foreach (var personId in peopleIds)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            if (await RefreshPersonAsync(personId, cancellationToken).ConfigureAwait(false))
+            {
+                numRefreshed++;
            }

-            _logger.LogInformation("Refreshed metadata for {Count} people missing images or overview", numRefreshed);
+            numComplete++;
+            progress.Report(100.0 * numComplete / peopleIds.Count);
        }
+
+        _logger.LogInformation("Refreshed metadata for {Count} people missing images or overview", numRefreshed);
    }

    private async Task<bool> RefreshPersonAsync(Guid personId, CancellationToken cancellationToken)
@@ -243,8 +240,8 @@ public class PeopleValidationTask : IScheduledTask, IConfigurableScheduledTask

            var options = new MetadataRefreshOptions(new DirectoryService(_fileSystem))
            {
-                ImageRefreshMode = hasImage ? MetadataRefreshMode.ValidationOnly : MetadataRefreshMode.Default,
-                MetadataRefreshMode = hasOverview ? MetadataRefreshMode.ValidationOnly : MetadataRefreshMode.Default
+                ImageRefreshMode = hasImage ? MetadataRefreshMode.ValidationOnly : MetadataRefreshMode.FullRefresh,
+                MetadataRefreshMode = hasOverview ? MetadataRefreshMode.ValidationOnly : MetadataRefreshMode.FullRefresh
            };

            await item.RefreshMetadata(options, cancellationToken).ConfigureAwait(false);
@@ -309,7 +309,7 @@ namespace Emby.Server.Implementations.Session
        {
            if (!session.SessionControllers.Any(i => i.IsSessionActive))
            {
-                var key = GetSessionKey(session.Client, session.DeviceId);
+                var key = GetSessionKey(session.Client, session.DeviceId, session.UserId);

                _activeConnections.TryRemove(key, out _);
                if (!string.IsNullOrEmpty(session.PlayState?.LiveStreamId))
@@ -369,7 +369,7 @@ namespace Emby.Server.Implementations.Session

            if (session is not null)
            {
-                var key = GetSessionKey(session.Client, session.DeviceId);
+                var key = GetSessionKey(session.Client, session.DeviceId, session.UserId);

                _activeConnections.TryRemove(key, out _);

@@ -475,8 +475,11 @@ namespace Emby.Server.Implementations.Session
            }
        }

-        private static string GetSessionKey(string appName, string deviceId)
-            => appName + deviceId;
+        // The user is part of the key because the client name and the device id are taken from the
+        // request headers and are not bound to the access token. Without it, any authenticated user
+        // could claim another user's client/device pair and take over their session.
+        private static string GetSessionKey(string appName, string deviceId, Guid userId)
+            => appName + deviceId + userId.ToString("N", CultureInfo.InvariantCulture);

        /// <summary>
        /// Gets the connection.
@@ -500,7 +503,7 @@ namespace Emby.Server.Implementations.Session

            ArgumentException.ThrowIfNullOrEmpty(deviceId);

-            var key = GetSessionKey(appName, deviceId);
+            var key = GetSessionKey(appName, deviceId, user?.Id ?? Guid.Empty);
            SessionInfo newSession = CreateSessionInfo(key, appName, appVersion, deviceId, deviceName, remoteEndPoint, user);
            SessionInfo sessionInfo = _activeConnections.GetOrAdd(key, newSession);
            if (ReferenceEquals(newSession, sessionInfo))
@@ -655,7 +658,7 @@ namespace Emby.Server.Implementations.Session
                            ItemId = session.NowPlayingItem is null ? Guid.Empty : session.NowPlayingItem.Id,
                            SessionId = session.Id,
                            MediaSourceId = session.PlayState?.MediaSourceId,
-                            PositionTicks = session.PlayState?.PositionTicks
+                            PositionTicks = session.LastPlaybackCheckInPositionTicks
                        }).ConfigureAwait(false);
                    }
                    catch (Exception ex)
@@ -1537,11 +1540,52 @@ namespace Emby.Server.Implementations.Session
            return SendMessageToSession(session, SessionMessageType.Playstate, command, cancellationToken);
        }

-        private static void AssertCanControl(SessionInfo session, SessionInfo controllingSession)
+        private void AssertCanControl(SessionInfo session, SessionInfo controllingSession)
        {
            ArgumentNullException.ThrowIfNull(session);

            ArgumentNullException.ThrowIfNull(controllingSession);
+
+            var controllingUserId = controllingSession.UserId;
+
+            // Controlling a session is always allowed when:
+            // - the caller has no associated user (an API key, which is a privileged context),
+            // - the target session is public (has no owning user), or
+            // - the caller's user is associated with the target session.
+            // Controlling a session owned by a different user requires the
+            // EnableRemoteControlOfOtherUsers permission.
+            if (controllingUserId.IsEmpty()
+                || session.UserId.IsEmpty()
+                || session.ContainsUser(controllingUserId))
+            {
+                return;
+            }
+
+            var controllingUser = _userManager.GetUserById(controllingUserId);
+            if (controllingUser is null
+                || !controllingUser.HasPermission(PermissionKind.EnableRemoteControlOfOtherUsers))
+            {
+                throw new SecurityException("The current user does not have permission to remote control other users.");
+            }
+        }
+
+        private void AssertCanAttachUser(SessionInfo controllingSession, Guid userId)
+        {
+            var controllingUserId = controllingSession.UserId;
+
+            // Playback reported by a session is also written to the user data of its additional users,
+            // so attaching anyone but the calling user requires administrative privileges.
+            if (controllingUserId.IsEmpty() || controllingUserId.Equals(userId))
+            {
+                return;
+            }
+
+            var controllingUser = _userManager.GetUserById(controllingUserId);
+            if (controllingUser is null
+                || !controllingUser.HasPermission(PermissionKind.IsAdministrator))
+            {
+                throw new SecurityException("The current user does not have permission to attach another user to a session.");
+            }
        }

        /// <summary>
@@ -1559,16 +1603,24 @@ namespace Emby.Server.Implementations.Session
        /// <summary>
        /// Adds the additional user.
        /// </summary>
+        /// <param name="controllingSessionId">The controlling session identifier.</param>
        /// <param name="sessionId">The session identifier.</param>
        /// <param name="userId">The user identifier.</param>
-        /// <exception cref="UnauthorizedAccessException">Cannot modify additional users without authenticating first.</exception>
+        /// <exception cref="SecurityException">The controlling user is not allowed to attach the user to the session.</exception>
        /// <exception cref="ArgumentException">The requested user is already the primary user of the session.</exception>
-        public void AddAdditionalUser(string sessionId, Guid userId)
+        public void AddAdditionalUser(string controllingSessionId, string sessionId, Guid userId)
        {
            CheckDisposed();

            var session = GetSession(sessionId);

+            if (!string.IsNullOrEmpty(controllingSessionId))
+            {
+                var controllingSession = GetSession(controllingSessionId);
+                AssertCanControl(session, controllingSession);
+                AssertCanAttachUser(controllingSession, userId);
+            }
+
            if (session.UserId.Equals(userId))
            {
                throw new ArgumentException("The requested user is already the primary user of the session.");
@@ -1576,7 +1628,8 @@ namespace Emby.Server.Implementations.Session

            if (session.AdditionalUsers.All(i => !i.UserId.Equals(userId)))
            {
-                var user = _userManager.GetUserById(userId);
+                var user = _userManager.GetUserById(userId)
+                    ?? throw new ArgumentException("The requested user does not exist.");
                var newUser = new SessionUserInfo
                {
                    UserId = userId,
@@ -1590,16 +1643,22 @@ namespace Emby.Server.Implementations.Session
        /// <summary>
        /// Removes the additional user.
        /// </summary>
+        /// <param name="controllingSessionId">The controlling session identifier.</param>
        /// <param name="sessionId">The session identifier.</param>
        /// <param name="userId">The user identifier.</param>
-        /// <exception cref="UnauthorizedAccessException">Cannot modify additional users without authenticating first.</exception>
+        /// <exception cref="SecurityException">The controlling user is not allowed to control the session.</exception>
        /// <exception cref="ArgumentException">The requested user is already the primary user of the session.</exception>
-        public void RemoveAdditionalUser(string sessionId, Guid userId)
+        public void RemoveAdditionalUser(string controllingSessionId, string sessionId, Guid userId)
        {
            CheckDisposed();

            var session = GetSession(sessionId);

+            if (!string.IsNullOrEmpty(controllingSessionId))
+            {
+                AssertCanControl(session, GetSession(controllingSessionId));
+            }
+
            if (session.UserId.Equals(userId))
            {
                throw new ArgumentException("The requested user is already the primary user of the session.");
@@ -1803,14 +1862,21 @@ namespace Emby.Server.Implementations.Session
        /// <summary>
        /// Reports the capabilities.
        /// </summary>
+        /// <param name="controllingSessionId">The controlling session identifier.</param>
        /// <param name="sessionId">The session identifier.</param>
        /// <param name="capabilities">The capabilities.</param>
-        public void ReportCapabilities(string sessionId, ClientCapabilities capabilities)
+        /// <exception cref="SecurityException">The controlling user is not allowed to control the session.</exception>
+        public void ReportCapabilities(string controllingSessionId, string sessionId, ClientCapabilities capabilities)
        {
            CheckDisposed();

            var session = GetSession(sessionId);

+            if (!string.IsNullOrEmpty(controllingSessionId))
+            {
+                AssertCanControl(session, GetSession(controllingSessionId));
+            }
+
            ReportCapabilities(session, capabilities, true);
        }

@@ -1905,13 +1971,18 @@ namespace Emby.Server.Implementations.Session
        }

        /// <inheritdoc />
-        public void ReportNowViewingItem(string sessionId, string itemId)
+        public void ReportNowViewingItem(string controllingSessionId, string sessionId, string itemId)
        {
            ArgumentException.ThrowIfNullOrEmpty(itemId);

            var item = _libraryManager.GetItemById(new Guid(itemId));
            var session = GetSession(sessionId);

+            if (!string.IsNullOrEmpty(controllingSessionId))
+            {
+                AssertCanControl(session, GetSession(controllingSessionId));
+            }
+
            session.NowViewingItem = GetItemInfo(item, null);
        }

@@ -223,7 +223,7 @@ namespace Emby.Server.Implementations.Session

            if (inactive.Count > 0)
            {
-                _logger.LogInformation("Sending ForceKeepAlive message to {0} inactive WebSockets.", inactive.Count);
+                _logger.LogDebug("Sending ForceKeepAlive message to {0} inactive WebSockets.", inactive.Count);
            }

            foreach (var webSocket in inactive)
@@ -500,8 +500,9 @@ namespace Emby.Server.Implementations.Updates
            var plugins = _pluginManager.Plugins;
            foreach (var plugin in plugins)
            {
-                // Don't auto update when plugin marked not to, or when it's disabled.
-                if (plugin.Manifest?.AutoUpdate == false || plugin.Manifest?.Status == PluginStatus.Disabled)
+                // Don't auto update when plugin marked not to, or when it's disabled or pending removal.
+                if (plugin.Manifest?.AutoUpdate == false
+                    || plugin.Manifest?.Status is PluginStatus.Disabled or PluginStatus.Deleted)
                {
                    continue;
                }
@@ -126,6 +126,12 @@ public class ArtistsController : BaseJellyfinApiController
        var dtoOptions = new DtoOptions { Fields = fields }
            .AddAdditionalDtoOptions(enableImages, enableUserData, imageTypeLimit, enableImageTypes);

+        // Asking for a type filter has always implied wanting that type's counts back.
+        if (includeItemTypes.Length != 0 && !dtoOptions.ContainsField(ItemFields.ItemCounts))
+        {
+            dtoOptions.Fields = [.. dtoOptions.Fields, ItemFields.ItemCounts];
+        }
+
        User? user = null;
        BaseItem parentItem = _libraryManager.GetParentItem(parentId, userId);

@@ -193,31 +199,7 @@ public class ArtistsController : BaseJellyfinApiController

        var result = _libraryManager.GetArtists(query);

-        var dtos = result.Items.Select(i =>
-        {
-            var (baseItem, itemCounts) = i;
-            var dto = _dtoService.GetItemByNameDto(baseItem, dtoOptions, null, user);
-
-            if (includeItemTypes.Length != 0)
-            {
-                dto.ChildCount = itemCounts.ItemCount;
-                dto.ProgramCount = itemCounts.ProgramCount;
-                dto.SeriesCount = itemCounts.SeriesCount;
-                dto.EpisodeCount = itemCounts.EpisodeCount;
-                dto.MovieCount = itemCounts.MovieCount;
-                dto.TrailerCount = itemCounts.TrailerCount;
-                dto.AlbumCount = itemCounts.AlbumCount;
-                dto.SongCount = itemCounts.SongCount;
-                dto.ArtistCount = itemCounts.ArtistCount;
-            }
-
-            return dto;
-        });
-
-        return new QueryResult<BaseItemDto>(
-            query.StartIndex,
-            result.TotalRecordCount,
-            dtos.ToArray());
+        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, user);
    }

    /// <summary>
@@ -298,6 +280,12 @@ public class ArtistsController : BaseJellyfinApiController
        var dtoOptions = new DtoOptions { Fields = fields }
            .AddAdditionalDtoOptions(enableImages, enableUserData, imageTypeLimit, enableImageTypes);

+        // Asking for a type filter has always implied wanting that type's counts back.
+        if (includeItemTypes.Length != 0 && !dtoOptions.ContainsField(ItemFields.ItemCounts))
+        {
+            dtoOptions.Fields = [.. dtoOptions.Fields, ItemFields.ItemCounts];
+        }
+
        User? user = null;
        BaseItem parentItem = _libraryManager.GetParentItem(parentId, userId);

@@ -365,31 +353,7 @@ public class ArtistsController : BaseJellyfinApiController

        var result = _libraryManager.GetAlbumArtists(query);

-        var dtos = result.Items.Select(i =>
-        {
-            var (baseItem, itemCounts) = i;
-            var dto = _dtoService.GetItemByNameDto(baseItem, dtoOptions, null, user);
-
-            if (includeItemTypes.Length != 0)
-            {
-                dto.ChildCount = itemCounts.ItemCount;
-                dto.ProgramCount = itemCounts.ProgramCount;
-                dto.SeriesCount = itemCounts.SeriesCount;
-                dto.EpisodeCount = itemCounts.EpisodeCount;
-                dto.MovieCount = itemCounts.MovieCount;
-                dto.TrailerCount = itemCounts.TrailerCount;
-                dto.AlbumCount = itemCounts.AlbumCount;
-                dto.SongCount = itemCounts.SongCount;
-                dto.ArtistCount = itemCounts.ArtistCount;
-            }
-
-            return dto;
-        });
-
-        return new QueryResult<BaseItemDto>(
-            query.StartIndex,
-            result.TotalRecordCount,
-            dtos.ToArray());
+        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, user);
    }

    /// <summary>
@@ -20,7 +20,6 @@ using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Controller.Streaming;
-using MediaBrowser.MediaEncoding.Encoder;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Entities;
@@ -1456,22 +1455,16 @@ public class DynamicHlsController : BaseJellyfinApiController

        var segmentExtension = EncodingHelper.GetSegmentFileExtension(state.Request.SegmentContainer);

-        TranscodingJob? job;
-
-        if (System.IO.File.Exists(segmentPath))
-        {
-            job = _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
-            _logger.LogDebug("returning {0} [it exists, try 1]", segmentPath);
-            return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
-        }
-
+        // Keep segment selection and transcoding replacement under the same playlist lock.
+        // An out-of-order request must not replace a job while another request is using its output.
        using (await _transcodeManager.LockAsync(playlistPath, cancellationToken).ConfigureAwait(false))
        {
+            TranscodingJob? job;
            var startTranscoding = false;
            if (System.IO.File.Exists(segmentPath))
            {
                job = _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
-                _logger.LogDebug("returning {0} [it exists, try 2]", segmentPath);
+                _logger.LogDebug("returning {0} [it exists]", segmentPath);
                return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
            }

@@ -1505,6 +1498,9 @@ public class DynamicHlsController : BaseJellyfinApiController
                // If the playlist doesn't already exist, startup ffmpeg
                try
                {
+                    var currentJob = _transcodeManager.GetTranscodingJob(playlistPath, TranscodingJobType);
+                    await WaitForActiveTranscodingRequests(currentJob, cancellationToken).ConfigureAwait(false);
+
                    await _transcodeManager.KillTranscodingJobs(streamingRequest.DeviceId, streamingRequest.PlaySessionId, p => false)
                        .ConfigureAwait(false);

@@ -1540,11 +1536,19 @@ public class DynamicHlsController : BaseJellyfinApiController
                    await job.TranscodingThrottler.UnpauseTranscoding().ConfigureAwait(false);
                }
            }
-        }

-        _logger.LogDebug("returning {0} [general case]", segmentPath);
-        job ??= _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
-        return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
+            _logger.LogDebug("returning {0} [general case]", segmentPath);
+            job ??= _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
+            return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
+        }
+    }
+
+    internal static async Task WaitForActiveTranscodingRequests(TranscodingJob? job, CancellationToken cancellationToken)
+    {
+        while (job?.ActiveRequestCount > 0)
+        {
+            await Task.Delay(100, cancellationToken).ConfigureAwait(false);
+        }
    }

    private static double[] GetSegmentLengths(StreamState state)
@@ -1647,9 +1651,9 @@ public class DynamicHlsController : BaseJellyfinApiController
            segmentFormat,
            startNumber.ToString(CultureInfo.InvariantCulture),
            baseUrlParam,
-            EncodingUtils.NormalizePath(outputTsArg),
+            outputTsArg.EscapeProcessArgument(),
            hlsArguments,
-            EncodingUtils.NormalizePath(outputPath)).Trim();
+            outputPath.EscapeProcessArgument()).Trim();
    }

    /// <summary>
@@ -97,6 +97,12 @@ public class GenresController : BaseJellyfinApiController
        var dtoOptions = new DtoOptions { Fields = fields }
            .AddAdditionalDtoOptions(enableImages, false, imageTypeLimit, enableImageTypes);

+        // Asking for a type filter has always implied wanting that type's counts back.
+        if (includeItemTypes.Length != 0 && !dtoOptions.ContainsField(ItemFields.ItemCounts))
+        {
+            dtoOptions.Fields = [.. dtoOptions.Fields, ItemFields.ItemCounts];
+        }
+
        User? user = userId.IsNullOrEmpty()
            ? null
            : _userManager.GetUserById(userId.Value);
@@ -143,8 +149,7 @@ public class GenresController : BaseJellyfinApiController
            result = _libraryManager.GetGenres(query);
        }

-        var shouldIncludeItemTypes = includeItemTypes.Length != 0;
-        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, shouldIncludeItemTypes, user);
+        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, user);
    }

    /// <summary>
@@ -13,6 +13,7 @@ using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Providers;
 using Microsoft.AspNetCore.Authorization;
@@ -263,7 +264,7 @@ public class ItemLookupController : BaseJellyfinApiController
            searchResult.ProviderIds);

        // Since the refresh process won't erase provider Ids, we need to set this explicitly now.
-        item.ProviderIds = searchResult.ProviderIds;
+        item.SetProviderIds(searchResult.ProviderIds);
        await _providerManager.RefreshFullItem(
            item,
            new MetadataRefreshOptions(new DirectoryService(_fileSystem))
@@ -428,15 +428,7 @@ public class ItemUpdateController : BaseJellyfinApiController

        if (request.ProviderIds is not null)
        {
-            foreach (var pair in request.ProviderIds.ToList())
-            {
-                if (string.IsNullOrEmpty(pair.Value))
-                {
-                    request.ProviderIds.Remove(pair.Key);
-                }
-            }
-
-            item.ProviderIds = request.ProviderIds;
+            item.SetProviderIds(request.ProviderIds);
        }

        if (item is Video video)
@@ -14,6 +14,7 @@ using MediaBrowser.Common.Api;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.IO;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Entities;
@@ -122,12 +123,14 @@ public class LibraryStructureController : BaseJellyfinApiController
    /// <param name="newName">The new name.</param>
    /// <param name="refreshLibrary">Whether to refresh the library.</param>
    /// <response code="204">Folder renamed.</response>
+    /// <response code="400">The new name is not a valid library name.</response>
    /// <response code="404">Library doesn't exist.</response>
    /// <response code="409">Library already exists.</response>
-    /// <returns>A <see cref="NoContentResult"/> on success, a <see cref="NotFoundResult"/> if the library doesn't exist, a <see cref="ConflictResult"/> if the new name is already taken.</returns>
+    /// <returns>A <see cref="NoContentResult"/> on success, a <see cref="BadRequestResult"/> if the new name is invalid, a <see cref="NotFoundResult"/> if the library doesn't exist, a <see cref="ConflictResult"/> if the new name is already taken.</returns>
    /// <exception cref="ArgumentNullException">The new name may not be null.</exception>
    [HttpPost("Name")]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [ProducesResponseType(StatusCodes.Status409Conflict)]
    public ActionResult RenameVirtualFolder(
@@ -147,10 +150,15 @@ public class LibraryStructureController : BaseJellyfinApiController

        var rootFolderPath = _appPaths.DefaultUserViewsPath;

-        var currentPath = Path.Combine(rootFolderPath, name);
-        var newPath = Path.Combine(rootFolderPath, newName);
+        // Both names are caller supplied, so they have to be confined to the libraries root.
+        var newPath = FileSystemHelper.GetChildPath(rootFolderPath, newName);
+        if (newPath is null)
+        {
+            return BadRequest("The new name is not a valid library name.");
+        }

-        if (!Directory.Exists(currentPath))
+        var currentPath = FileSystemHelper.GetChildPath(rootFolderPath, name);
+        if (currentPath is null || !Directory.Exists(currentPath))
        {
            return NotFound("The media collection does not exist.");
        }
@@ -98,6 +98,12 @@ public class MusicGenresController : BaseJellyfinApiController
        var dtoOptions = new DtoOptions { Fields = fields }
            .AddAdditionalDtoOptions(enableImages, false, imageTypeLimit, enableImageTypes);

+        // Asking for a type filter has always implied wanting that type's counts back.
+        if (includeItemTypes.Length != 0 && !dtoOptions.ContainsField(ItemFields.ItemCounts))
+        {
+            dtoOptions.Fields = [.. dtoOptions.Fields, ItemFields.ItemCounts];
+        }
+
        User? user = userId.IsNullOrEmpty()
            ? null
            : _userManager.GetUserById(userId.Value);
@@ -134,8 +140,7 @@ public class MusicGenresController : BaseJellyfinApiController

        var result = _libraryManager.GetMusicGenres(query);

-        var shouldIncludeItemTypes = includeItemTypes.Length != 0;
-        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, shouldIncludeItemTypes, user);
+        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, user);
    }

    /// <summary>
@@ -4,6 +4,7 @@ using System.Linq;
 using Jellyfin.Api.Extensions;
 using Jellyfin.Api.Helpers;
 using Jellyfin.Api.ModelBinders;
+using Jellyfin.Data;
 using Jellyfin.Database.Implementations.Entities;
 using Jellyfin.Extensions;
 using MediaBrowser.Controller.Dto;
@@ -103,6 +104,7 @@ public class PersonsController : BaseJellyfinApiController
            personTypes,
            excludePersonTypes)
        {
+            AccessFilter = BuildAccessFilter(user),
            NameContains = searchTerm,
            NameStartsWith = nameStartsWith,
            NameLessThan = nameLessThan,
@@ -123,6 +125,20 @@ public class PersonsController : BaseJellyfinApiController
                .ToArray());
    }

+    // People are not owned by a library, so nothing in the Peoples table says which of them a user is
+    // allowed to see; that only follows from the items they are credited on.
+    private InternalItemsQuery? BuildAccessFilter(User? user)
+    {
+        if (user is null || !user.HasContentRestrictions())
+        {
+            return null;
+        }
+
+        var accessFilter = new InternalItemsQuery(user) { IncludeOwnedItems = true };
+        _libraryManager.ConfigureUserAccess(accessFilter, user);
+        return accessFilter;
+    }
+
    /// <summary>
    /// Get person by name.
    /// </summary>
@@ -521,7 +521,7 @@ public class PlaylistsController : BaseJellyfinApiController
        [FromQuery] int? imageTypeLimit,
        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
    {
-        var callingUserId = userId ?? User.GetUserId();
+        var callingUserId = RequestHelpers.GetUserId(User, userId);
        var playlist = _playlistManager.GetPlaylistForUser(playlistId, callingUserId);
        if (playlist is null)
        {
@@ -306,11 +306,14 @@ public class SessionController : BaseJellyfinApiController
    [HttpPost("Sessions/{sessionId}/User/{userId}")]
    [Authorize]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
-    public ActionResult AddUserToSession(
+    public async Task<ActionResult> AddUserToSession(
        [FromRoute, Required] string sessionId,
        [FromRoute, Required] Guid userId)
    {
-        _sessionManager.AddAdditionalUser(sessionId, userId);
+        _sessionManager.AddAdditionalUser(
+            await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false),
+            sessionId,
+            userId);
        return NoContent();
    }

@@ -324,11 +327,14 @@ public class SessionController : BaseJellyfinApiController
    [HttpDelete("Sessions/{sessionId}/User/{userId}")]
    [Authorize]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
-    public ActionResult RemoveUserFromSession(
+    public async Task<ActionResult> RemoveUserFromSession(
        [FromRoute, Required] string sessionId,
        [FromRoute, Required] Guid userId)
    {
-        _sessionManager.RemoveAdditionalUser(sessionId, userId);
+        _sessionManager.RemoveAdditionalUser(
+            await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false),
+            sessionId,
+            userId);
        return NoContent();
    }

@@ -352,12 +358,13 @@ public class SessionController : BaseJellyfinApiController
        [FromQuery] bool supportsMediaControl = false,
        [FromQuery] bool supportsPersistentIdentifier = true)
    {
+        var currentSessionId = await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);
        if (string.IsNullOrWhiteSpace(id))
        {
-            id = await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);
+            id = currentSessionId;
        }

-        _sessionManager.ReportCapabilities(id, new ClientCapabilities
+        _sessionManager.ReportCapabilities(currentSessionId, id, new ClientCapabilities
        {
            PlayableMediaTypes = playableMediaTypes,
            SupportedCommands = supportedCommands,
@@ -381,12 +388,13 @@ public class SessionController : BaseJellyfinApiController
        [FromQuery] string? id,
        [FromBody, Required] ClientCapabilitiesDto capabilities)
    {
+        var currentSessionId = await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);
        if (string.IsNullOrWhiteSpace(id))
        {
-            id = await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);
+            id = currentSessionId;
        }

-        _sessionManager.ReportCapabilities(id, capabilities.ToClientCapabilities());
+        _sessionManager.ReportCapabilities(currentSessionId, id, capabilities.ToClientCapabilities());

        return NoContent();
    }
@@ -405,9 +413,9 @@ public class SessionController : BaseJellyfinApiController
        [FromQuery] string? sessionId,
        [FromQuery, Required] string? itemId)
    {
-        string session = sessionId ?? await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);
+        var currentSessionId = await RequestHelpers.GetSessionId(_sessionManager, _userManager, HttpContext).ConfigureAwait(false);

-        _sessionManager.ReportNowViewingItem(session, itemId);
+        _sessionManager.ReportNowViewingItem(currentSessionId, sessionId ?? currentSessionId, itemId);
        return NoContent();
    }

@@ -92,6 +92,12 @@ public class StudiosController : BaseJellyfinApiController
        var dtoOptions = new DtoOptions { Fields = fields }
            .AddAdditionalDtoOptions(enableImages, enableUserData, imageTypeLimit, enableImageTypes);

+        // Asking for a type filter has always implied wanting that type's counts back.
+        if (includeItemTypes.Length != 0 && !dtoOptions.ContainsField(ItemFields.ItemCounts))
+        {
+            dtoOptions.Fields = [.. dtoOptions.Fields, ItemFields.ItemCounts];
+        }
+
        User? user = userId.IsNullOrEmpty()
            ? null
            : _userManager.GetUserById(userId.Value);
@@ -126,8 +132,7 @@ public class StudiosController : BaseJellyfinApiController
        }

        var result = _libraryManager.GetStudios(query);
-        var shouldIncludeItemTypes = includeItemTypes.Length != 0;
-        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, shouldIncludeItemTypes, user);
+        return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, user);
    }

    /// <summary>
@@ -34,6 +34,8 @@ namespace Jellyfin.Api.Controllers;
 [Tags("Library")]
 public class UserLibraryController : BaseJellyfinApiController
 {
+    private static readonly TimeSpan RefreshOnDemandTimeout = TimeSpan.FromSeconds(3);
+
    private readonly IUserManager _userManager;
    private readonly IUserDataManager _userDataRepository;
    private readonly ILibraryManager _libraryManager;
@@ -79,7 +81,7 @@ public class UserLibraryController : BaseJellyfinApiController
    /// <returns>An <see cref="OkResult"/> containing the item.</returns>
    [HttpGet("Items/{itemId}")]
    [ProducesResponseType(StatusCodes.Status200OK)]
-    public ActionResult<BaseItemDto> GetItem(
+    public async Task<ActionResult<BaseItemDto>> GetItem(
        [FromQuery] Guid? userId,
        [FromRoute, Required] Guid itemId)
    {
@@ -98,7 +100,7 @@ public class UserLibraryController : BaseJellyfinApiController
            return NotFound();
        }

-        QueueRefreshOnDemandIfNeeded(item);
+        await RefreshOnDemandIfNeeded(item).ConfigureAwait(false);

        var dtoOptions = new DtoOptions();

@@ -116,7 +118,7 @@ public class UserLibraryController : BaseJellyfinApiController
    [ProducesResponseType(StatusCodes.Status200OK)]
    [Obsolete("Kept for backwards compatibility")]
    [ApiExplorerSettings(IgnoreApi = true)]
-    public ActionResult<BaseItemDto> GetItemLegacy(
+    public Task<ActionResult<BaseItemDto>> GetItemLegacy(
        [FromRoute, Required] Guid userId,
        [FromRoute, Required] Guid itemId)
        => GetItem(userId, itemId);
@@ -643,7 +645,7 @@ public class UserLibraryController : BaseJellyfinApiController
            limit,
            groupItems);

-    private void QueueRefreshOnDemandIfNeeded(BaseItem item)
+    private async Task RefreshOnDemandIfNeeded(BaseItem item)
    {
        if (item is not Person)
        {
@@ -656,15 +658,24 @@ public class UserLibraryController : BaseJellyfinApiController
            return;
        }

-        _providerManager.QueueRefresh(
-            item.Id,
-            new MetadataRefreshOptions(new DirectoryService(_fileSystem))
-            {
-                MetadataRefreshMode = MetadataRefreshMode.FullRefresh,
-                ImageRefreshMode = MetadataRefreshMode.FullRefresh,
-                ForceSave = true
-            },
-            RefreshPriority.High);
+        var options = new MetadataRefreshOptions(new DirectoryService(_fileSystem))
+        {
+            MetadataRefreshMode = MetadataRefreshMode.FullRefresh,
+            ImageRefreshMode = MetadataRefreshMode.FullRefresh,
+            ForceSave = true
+        };
+
+        using var timeout = CancellationTokenSource.CreateLinkedTokenSource(HttpContext.RequestAborted);
+        timeout.CancelAfter(RefreshOnDemandTimeout);
+
+        try
+        {
+            await item.RefreshMetadata(options, timeout.Token).ConfigureAwait(false);
+        }
+        catch (OperationCanceledException) when (!HttpContext.RequestAborted.IsCancellationRequested)
+        {
+            _providerManager.QueueRefresh(item.Id, options, RefreshPriority.High);
+        }
    }

    /// <summary>
@@ -156,7 +156,6 @@ public static class RequestHelpers
        QueryResult<(BaseItem Item, ItemCounts ItemCounts)> result,
        DtoOptions dtoOptions,
        IDtoService dtoService,
-        bool includeItemTypes,
        User? user)
    {
        var dtos = result.Items.Select(i =>
@@ -164,7 +163,7 @@ public static class RequestHelpers
            var (baseItem, counts) = i;
            var dto = dtoService.GetItemByNameDto(baseItem, dtoOptions, null, user);

-            if (includeItemTypes)
+            if (counts is not null)
            {
                dto.ChildCount = counts.ItemCount;
                dto.ProgramCount = counts.ProgramCount;
@@ -175,6 +174,7 @@ public static class RequestHelpers
                dto.AlbumCount = counts.AlbumCount;
                dto.SongCount = counts.SongCount;
                dto.ArtistCount = counts.ArtistCount;
+                dto.MusicVideoCount = counts.MusicVideoCount;
            }

            return dto;
@@ -198,11 +198,6 @@ public static class StreamingHelpers
            state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, streamingRequest.AudioCodec, state.AudioStream, state.OutputAudioChannels) ?? 0;
        }

-        if (outputAudioCodec.StartsWith("pcm_", StringComparison.Ordinal))
-        {
-            containerInternal = ".pcm";
-        }
-
        if (state.VideoRequest is not null)
        {
            state.OutputVideoCodec = state.Request.VideoCodec;
@@ -162,6 +162,23 @@ public static class UserEntityExtensions
        return Array.IndexOf(GetPreferenceValues<Guid>(entity, PreferenceKind.GroupedFolders), id) != -1;
    }

+    /// <summary>
+    /// Checks whether any library, parental rating or tag rule keeps content from this user.
+    /// </summary>
+    /// <param name="entity">The user to check.</param>
+    /// <returns><c>True</c> if some content in the library is hidden from this user.</returns>
+    public static bool HasContentRestrictions(this User entity)
+    {
+        ArgumentNullException.ThrowIfNull(entity);
+
+        return !entity.HasPermission(PermissionKind.EnableAllFolders)
+            || entity.GetPreference(PreferenceKind.BlockedMediaFolders).Length > 0
+            || entity.MaxParentalRatingScore.HasValue
+            || entity.GetPreference(PreferenceKind.BlockedTags).Length > 0
+            || entity.GetPreference(PreferenceKind.AllowedTags).Length > 0
+            || entity.GetPreference(PreferenceKind.BlockUnratedItems).Length > 0;
+    }
+
    /// <summary>
    /// Initializes the default permissions for a user. Should only be called on user creation.
    /// </summary>
@@ -144,11 +144,6 @@ public sealed partial class BaseItemRepository
    {
        ArgumentNullException.ThrowIfNull(filter);

-        if (!filter.Limit.HasValue)
-        {
-            filter.EnableTotalRecordCount = false;
-        }
-
        using var context = _dbProvider.CreateDbContext();

        var innerQueryFilter = TranslateQuery(context.BaseItems.Where(e => e.Id != EF.Constant(PlaceholderId)), context, new InternalItemsQuery(filter.User)
@@ -251,14 +246,20 @@ public sealed partial class BaseItemRepository
        }

        result.StartIndex = filter.StartIndex ?? 0;
-        if (filter.IncludeItemTypes.Length > 0)
+        var page = query.AsEnumerable().Where(e => e is not null).ToList();
+
+        if (filter.DtoOptions.ContainsField(ItemFields.ItemCounts))
        {
-            var countsByCleanName = BuildItemCountsByCleanName(context, filter, itemValueTypes);
+            var pageCleanNames = page
+                .Where(e => !string.IsNullOrEmpty(e.CleanName))
+                .Select(e => e.CleanName!)
+                .Distinct()
+                .ToList();
+
+            var countsByCleanName = BuildItemCountsByCleanName(context, filter, itemValueTypes, pageCleanNames);
            result.Items =
            [
-                .. query
-                    .AsEnumerable()
-                    .Where(e => e is not null)
+                .. page
                    .Select(e =>
                    {
                        var item = DeserializeBaseItem(e, filter.SkipDeserialization);
@@ -273,9 +274,7 @@ public sealed partial class BaseItemRepository
        {
            result.Items =
            [
-                .. query
-                    .AsEnumerable()
-                    .Where(e => e != null)
+                .. page
                    .Select(e => DeserializeBaseItem(e, filter.SkipDeserialization))
                    .Where(item => item != null)
                    .Select(item => (item!, (ItemCounts?)null))
@@ -286,14 +285,22 @@ public sealed partial class BaseItemRepository
    }

    private Dictionary<string, ItemCounts> BuildItemCountsByCleanName(
-        Database.Implementations.JellyfinDbContext context,
+        JellyfinDbContext context,
        InternalItemsQuery filter,
-        IReadOnlyList<ItemValueType> itemValueTypes)
+        IReadOnlyList<ItemValueType> itemValueTypes,
+        IReadOnlyList<string> cleanNames)
    {
-        var typeSubQuery = new InternalItemsQuery(filter.User)
+        var countsByCleanName = new Dictionary<string, ItemCounts>();
+        if (cleanNames.Count == 0)
+        {
+            return countsByCleanName;
+        }
+
+        // The counts describe everything the value is attached to, not only the types the list was
+        // filtered down to.
+        var scopeQuery = new InternalItemsQuery(filter.User)
        {
            ExcludeItemTypes = filter.ExcludeItemTypes,
-            IncludeItemTypes = filter.IncludeItemTypes,
            MediaTypes = filter.MediaTypes,
            AncestorIds = filter.AncestorIds,
            ExcludeItemIds = filter.ExcludeItemIds,
@@ -303,33 +310,51 @@ public sealed partial class BaseItemRepository
            IsPlayed = filter.IsPlayed
        };

-        var itemCountQuery = TranslateQuery(context.BaseItems.AsNoTracking().Where(e => e.Id != EF.Constant(PlaceholderId)), context, typeSubQuery)
-            .Where(e => e.ItemValues!.Any(f => itemValueTypes!.Contains(f.ItemValue.Type)));
+        var scopedItems = TranslateQuery(context.BaseItems.AsNoTracking().Where(e => e.Id != EF.Constant(PlaceholderId)), context, scopeQuery);
+        var valueLinks = context.ItemValuesMap
+            .AsNoTracking()
+            .Where(ivm => itemValueTypes.Contains(ivm.ItemValue.Type))
+            .WhereOneOrMany(cleanNames, ivm => ivm.ItemValue.CleanValue);

        var seriesTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Series];
        var movieTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Movie];
        var episodeTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Episode];
        var musicAlbumTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.MusicAlbum];
        var musicArtistTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.MusicArtist];
+        var musicVideoTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.MusicVideo];
+        var programTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.LiveTvProgram];
        var audioTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Audio];
        var trailerTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Trailer];
-        var itemIds = itemCountQuery.Select(e => e.Id);

        // Rewrite query to avoid SelectMany on navigation properties (which requires SQL APPLY, not supported on SQLite)
        // Instead, start from ItemValueMaps and join with BaseItems.
-        var rawCounts = context.ItemValuesMap
-            .Where(ivm => itemValueTypes.Contains(ivm.ItemValue.Type))
-            .Where(ivm => itemIds.Contains(ivm.ItemId))
+        var rawCounts = valueLinks
            .Join(
-                context.BaseItems,
+                scopedItems,
                ivm => ivm.ItemId,
                e => e.Id,
-                (ivm, e) => new { CleanName = ivm.ItemValue.CleanValue, e.Type })
-            .GroupBy(x => new { x.CleanName, x.Type })
-            .Select(g => new { g.Key.CleanName, g.Key.Type, Count = g.Count() })
-            .AsEnumerable();
+                (ivm, e) => new { CleanName = ivm.ItemValue.CleanValue, e.Type, e.SeriesId })
+            .GroupBy(x => new { x.CleanName, x.Type, x.SeriesId })
+            .Select(g => new { g.Key.CleanName, g.Key.Type, g.Key.SeriesId, Count = g.Count() })
+            .ToList();
+
+        // Only studios and genres pass down from a series to its episodes; an artist credit does not.
+        var inheritsToEpisodes = itemValueTypes.Contains(ItemValueType.Studios) || itemValueTypes.Contains(ItemValueType.Genre);
+        var episodeCounts = inheritsToEpisodes
+            ? BuildEpisodeCountsByCleanName(
+                scopedItems,
+                valueLinks,
+                rawCounts
+                    .Where(x => x.Type == episodeTypeName)
+                    .Select(x => (x.CleanName, x.SeriesId, x.Count))
+                    .ToList(),
+                seriesTypeName,
+                episodeTypeName)
+            : rawCounts
+                .Where(x => x.Type == episodeTypeName)
+                .GroupBy(x => x.CleanName)
+                .ToDictionary(g => g.Key, g => g.Sum(x => x.Count));

-        var countsByCleanName = new Dictionary<string, ItemCounts>();
        foreach (var group in rawCounts.GroupBy(x => x.CleanName))
        {
            var counts = new ItemCounts();
@@ -339,10 +364,6 @@ public sealed partial class BaseItemRepository
                {
                    counts.SeriesCount += row.Count;
                }
-                else if (row.Type == episodeTypeName)
-                {
-                    counts.EpisodeCount += row.Count;
-                }
                else if (row.Type == movieTypeName)
                {
                    counts.MovieCount += row.Count;
@@ -355,6 +376,14 @@ public sealed partial class BaseItemRepository
                {
                    counts.ArtistCount += row.Count;
                }
+                else if (row.Type == musicVideoTypeName)
+                {
+                    counts.MusicVideoCount += row.Count;
+                }
+                else if (row.Type == programTypeName)
+                {
+                    counts.ProgramCount += row.Count;
+                }
                else if (row.Type == audioTypeName)
                {
                    counts.SongCount += row.Count;
@@ -365,9 +394,72 @@ public sealed partial class BaseItemRepository
                }
            }

+            // Episodes are counted separately: the value is usually only written on the series.
+            counts.EpisodeCount = episodeCounts.GetValueOrDefault(group.Key);
+            counts.ItemCount = counts.TotalItemCount();
            countsByCleanName[group.Key] = counts;
        }

+        // A value carried by nothing but the episodes below a tagged series has no row of its own.
+        foreach (var (cleanName, episodeCount) in episodeCounts)
+        {
+            if (!countsByCleanName.ContainsKey(cleanName))
+            {
+                countsByCleanName[cleanName] = new ItemCounts { EpisodeCount = episodeCount, ItemCount = episodeCount };
+            }
+        }
+
        return countsByCleanName;
    }
+
+    private static Dictionary<string, int> BuildEpisodeCountsByCleanName(
+        IQueryable<BaseItemEntity> scopedItems,
+        IQueryable<ItemValueMap> valueLinks,
+        IReadOnlyList<(string CleanName, Guid? SeriesId, int Count)> taggedEpisodes,
+        string seriesTypeName,
+        string episodeTypeName)
+    {
+        // Resolved in steps rather than as one union: each of these drives off an index, while the
+        // single-statement form leaves SQLite free to scan every episode in the library instead.
+        var taggedSeries = valueLinks
+            .Join(
+                scopedItems.Where(e => e.Type == seriesTypeName),
+                ivm => ivm.ItemId,
+                e => e.Id,
+                (ivm, e) => new { CleanName = ivm.ItemValue.CleanValue, SeriesId = e.Id })
+            .ToList();
+
+        var seriesIds = taggedSeries.Select(x => x.SeriesId).Distinct().ToArray();
+        var episodesPerSeries = seriesIds.Length == 0
+            ? []
+            : scopedItems
+                .Where(e => e.Type == episodeTypeName && e.SeriesId != null)
+                .WhereOneOrMany(seriesIds, e => e.SeriesId!.Value)
+                .GroupBy(e => e.SeriesId!.Value)
+                .Select(g => new { SeriesId = g.Key, Count = g.Count() })
+                .ToDictionary(x => x.SeriesId, x => x.Count);
+
+        var episodeCounts = new Dictionary<string, int>();
+        var seriesByCleanName = new Dictionary<string, HashSet<Guid>>();
+        foreach (var group in taggedSeries.GroupBy(x => x.CleanName))
+        {
+            var series = group.Select(x => x.SeriesId).ToHashSet();
+            seriesByCleanName[group.Key] = series;
+            episodeCounts[group.Key] = series.Sum(id => episodesPerSeries.GetValueOrDefault(id));
+        }
+
+        foreach (var (cleanName, seriesId, count) in taggedEpisodes)
+        {
+            if (seriesId is not null
+                && seriesByCleanName.TryGetValue(cleanName, out var series)
+                && series.Contains(seriesId.Value))
+            {
+                continue;
+            }
+
+            episodeCounts[cleanName] = episodeCounts.GetValueOrDefault(cleanName) + count;
+        }
+
+        return episodeCounts;
+    }
 }
@@ -12,6 +12,7 @@ using Jellyfin.Database.Implementations;
 using Jellyfin.Database.Implementations.Entities;
 using Jellyfin.Database.Implementations.Enums;
 using Jellyfin.Extensions;
+using Jellyfin.Server.Implementations.Extensions;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
@@ -323,10 +324,21 @@ public sealed partial class BaseItemRepository
            orderedQuery = query.OrderBy(relevanceExpression);
        }

+        // Folders carry no played flag of their own, so these two keys go through the same predicate
+        // the isPlayed filter uses rather than through the stored-column lookup in OrderMapper.
+        Expression<Func<BaseItemEntity, object?>> MapOrderByField(ItemSortBy sortBy) => sortBy switch
+        {
+            ItemSortBy.IsPlayed when filter.User is not null
+                => AsOrderKey(BuildIsPlayedFilter(context, filter.User)),
+            ItemSortBy.IsUnplayed when filter.User is not null
+                => AsOrderKey(BuildIsPlayedFilter(context, filter.User).Not()),
+            _ => OrderMapper.MapOrderByField(sortBy, filter, context)
+        };
+
        if (orderBy.Length > 0)
        {
            var firstOrdering = orderBy[0];
-            var expression = OrderMapper.MapOrderByField(firstOrdering.OrderBy, filter, context);
+            var expression = MapOrderByField(firstOrdering.OrderBy);

            if (orderedQuery is null)
            {
@@ -350,7 +362,7 @@ public sealed partial class BaseItemRepository

            foreach (var item in orderBy.Skip(1))
            {
-                expression = OrderMapper.MapOrderByField(item.OrderBy, filter, context);
+                expression = MapOrderByField(item.OrderBy);
                orderedQuery = item.SortOrder == SortOrder.Ascending
                    ? orderedQuery.ThenBy(expression)
                    : orderedQuery.ThenByDescending(expression);
@@ -428,6 +440,17 @@ public sealed partial class BaseItemRepository
        return ApplyAccessFiltering(context, baseQuery, filter);
    }

+    /// <summary>
+    /// Checks whether the user restricts access to items by parental rating or tags.
+    /// </summary>
+    /// <param name="filter">The query filter.</param>
+    /// <returns><c>true</c> if the query carries parental restrictions.</returns>
+    private static bool RequiresParentalRestrictions(InternalItemsQuery filter)
+        => filter.IncludeInheritedTags.Length > 0
+            || filter.ExcludeInheritedTags.Length > 0
+            || filter.MaxParentalRating is not null
+            || filter.BlockUnratedItems.Length > 0;
+
    /// <summary>
    /// Applies user access filtering to a query.
    /// Includes TopParentIds, parental rating, and tag filtering.
@@ -438,13 +461,127 @@ public sealed partial class BaseItemRepository
        IQueryable<BaseItemEntity> baseQuery,
        InternalItemsQuery filter)
    {
-        // Apply TopParentIds filtering (library folder access)
-        if (filter.TopParentIds.Length > 0)
+        baseQuery = ApplyTopParentFiltering(context, baseQuery, filter);
+
+        baseQuery = ApplyParentalRestrictions(context, baseQuery, filter);
+
+        // Exclude alternate versions (have PrimaryVersionId set) and owned non-extra items.
+        // Extras (trailers, etc.) have OwnerId set but also have ExtraType set — keep those.
+        if (!filter.IncludeOwnedItems)
        {
-            var topParentIds = filter.TopParentIds;
-            baseQuery = baseQuery.Where(e => topParentIds.Contains(e.TopParentId!.Value));
+            baseQuery = baseQuery.Where(e => e.PrimaryVersionId == null && (e.OwnerId == null || e.ExtraType != null));
        }

+        return baseQuery;
+    }
+
+    /// <summary>
+    /// Restricts a query to the libraries the user may open, exempting requested by-name items.
+    /// </summary>
+    /// <param name="context">The database context.</param>
+    /// <param name="baseQuery">The query to filter.</param>
+    /// <param name="filter">The query filter.</param>
+    /// <returns>The filtered query.</returns>
+    private IQueryable<BaseItemEntity> ApplyTopParentFiltering(
+        JellyfinDbContext context,
+        IQueryable<BaseItemEntity> baseQuery,
+        InternalItemsQuery filter)
+    {
+        var queryTopParentIds = filter.TopParentIds;
+        if (queryTopParentIds.Length == 0)
+        {
+            return baseQuery;
+        }
+
+        var exemptedItemByNameTypes = GetExemptedItemByNameTypes(filter);
+        if (exemptedItemByNameTypes.Count == 0)
+        {
+            return baseQuery.WhereOneOrMany(queryTopParentIds, e => e.TopParentId!.Value);
+        }
+
+        baseQuery = baseQuery.Where(e => exemptedItemByNameTypes.Contains(e.Type) || queryTopParentIds.Any(w => w == e.TopParentId!.Value));
+        if (filter.UserHasContentRestrictions)
+        {
+            baseQuery = ApplyItemByNameAccessFiltering(baseQuery, context, filter, exemptedItemByNameTypes, queryTopParentIds);
+        }
+
+        return baseQuery;
+    }
+
+    /// <summary>
+    /// Returns the by-name types a query asks for, which carry no TopParentId to filter on.
+    /// </summary>
+    /// <param name="filter">The query filter.</param>
+    /// <returns>The type names exempt from library filtering.</returns>
+    private List<string> GetExemptedItemByNameTypes(InternalItemsQuery filter)
+    {
+        var includedItemByNameTypes = GetItemByNameTypesInQuery(filter);
+        if ((filter.IncludeItemsByName ?? false) && includedItemByNameTypes.Count > 0)
+        {
+            return includedItemByNameTypes;
+        }
+
+        return _itemByNameKinds.Where(filter.IncludeItemTypes.Contains).Select(e => _itemTypeLookup.BaseItemKindNames[e]!).ToList();
+    }
+
+    /// <summary>
+    /// Keeps a by-name row only when at least one item behind its name is reachable for the user.
+    /// </summary>
+    /// <param name="baseQuery">The query to filter.</param>
+    /// <param name="context">The database context.</param>
+    /// <param name="filter">The query filter.</param>
+    /// <param name="itemByNameTypes">The exempted by-name type names.</param>
+    /// <param name="topParentIds">The libraries the user may open.</param>
+    /// <returns>The filtered query.</returns>
+    private IQueryable<BaseItemEntity> ApplyItemByNameAccessFiltering(
+        IQueryable<BaseItemEntity> baseQuery,
+        JellyfinDbContext context,
+        InternalItemsQuery filter,
+        IReadOnlyList<string> itemByNameTypes,
+        Guid[] topParentIds)
+    {
+        // IncludeOwnedItems: a credit on an alternate version of a reachable movie still counts.
+        var accessibleItems = ApplyAccessFiltering(
+            context,
+            context.BaseItems.AsNoTracking(),
+            new InternalItemsQuery(filter.User) { TopParentIds = topParentIds, IncludeOwnedItems = true });
+
+        var personType = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Person];
+        if (itemByNameTypes.Contains(personType))
+        {
+            baseQuery = baseQuery.Where(e => e.Type != personType
+                || context.Peoples.Any(p => p.Name == e.Name
+                    && context.PeopleBaseItemMap.Any(m => m.PeopleId == p.Id && accessibleItems.Any(i => i.Id == m.ItemId))));
+        }
+
+        foreach (var (kind, valueTypes) in _itemByNameValueTypes)
+        {
+            var typeName = _itemTypeLookup.BaseItemKindNames[kind];
+            if (!itemByNameTypes.Contains(typeName))
+            {
+                continue;
+            }
+
+            baseQuery = baseQuery.Where(e => e.Type != typeName
+                || context.ItemValues.Any(v => valueTypes.Contains(v.Type) && v.CleanValue == e.CleanName
+                    && context.ItemValuesMap.Any(m => m.ItemValueId == v.ItemValueId && accessibleItems.Any(i => i.Id == m.ItemId))));
+        }
+
+        return baseQuery;
+    }
+
+    /// <summary>
+    /// Applies the user's parental rating and tag restrictions to a query.
+    /// </summary>
+    /// <param name="context">The database context.</param>
+    /// <param name="baseQuery">The query to filter.</param>
+    /// <param name="filter">The query filter.</param>
+    /// <returns>The filtered query.</returns>
+    private IQueryable<BaseItemEntity> ApplyParentalRestrictions(
+        JellyfinDbContext context,
+        IQueryable<BaseItemEntity> baseQuery,
+        InternalItemsQuery filter)
+    {
        // Apply parental rating filtering
        if (filter.MaxParentalRating is not null)
        {
@@ -495,13 +632,6 @@ public sealed partial class BaseItemRepository
                || e.Type == personTypeName);
        }

-        // Exclude alternate versions (have PrimaryVersionId set) and owned non-extra items.
-        // Extras (trailers, etc.) have OwnerId set but also have ExtraType set — keep those.
-        if (!filter.IncludeOwnedItems)
-        {
-            baseQuery = baseQuery.Where(e => e.PrimaryVersionId == null && (e.OwnerId == null || e.ExtraType != null));
-        }
-
        return baseQuery;
    }

@@ -548,6 +678,9 @@ public sealed partial class BaseItemRepository
        return ApplyAccessFiltering(context, leafItems, new InternalItemsQuery(user) { IncludeOwnedItems = includeOwnedItems });
    }

+    private static Expression<Func<BaseItemEntity, object?>> AsOrderKey(Expression<Func<BaseItemEntity, bool>> predicate)
+        => Expression.Lambda<Func<BaseItemEntity, object?>>(Expression.Convert(predicate.Body, typeof(object)), predicate.Parameters);
+
    /// <inheritdoc />
    public Expression<Func<BaseItemEntity, bool>> BuildHasDescendantFilter(JellyfinDbContext context, IQueryable<BaseItemEntity> descendants)
    {
@@ -110,7 +110,7 @@ public sealed partial class BaseItemRepository
        PrepareFilterQuery(filter);

        // Early exit if collection type is not supported
-        if (collectionType is not CollectionType.movies and not CollectionType.tvshows and not CollectionType.music)
+        if (collectionType is not CollectionType.movies and not CollectionType.tvshows and not CollectionType.music and not CollectionType.unknown)
        {
            return [];
        }
@@ -121,30 +121,27 @@ public sealed partial class BaseItemRepository
        var baseQuery = PrepareItemQuery(context, filter);
        baseQuery = TranslateQuery(baseQuery, context, filter);

-        if (collectionType == CollectionType.tvshows)
+        if (collectionType is CollectionType.tvshows)
        {
            return GetLatestTvShowItems(context, baseQuery, filter, limit);
        }

        if (collectionType is CollectionType.movies)
        {
-            // Pick, per PresentationUniqueKey, the newest item; return the newest `limit` of those.
-            // Build up until limit by streaming through results and deduplicating on the fly.
-            var orderedIds = baseQuery
-                .Where(e => e.PresentationUniqueKey != null)
-                .OrderByDescending(e => e.DateCreated)
-                .ThenByDescending(e => e.Id)
-                .Select(e => new { e.Id, e.PresentationUniqueKey });
+            return GetLatestMovieItems(context, baseQuery, filter, limit);
+        }

-            // DistinctBy and Take are lazy, so enumeration stops as soon as limit distinct keys are read.
-            var firstIds = orderedIds
-                .AsEnumerable()
-                .DistinctBy(row => row.PresentationUniqueKey)
-                .Select(row => row.Id)
+        if (collectionType is CollectionType.unknown)
+        {
+            var moviesQuery = baseQuery.Where(e => e.SeriesName == null);
+            var latestMovies = GetLatestMovieItems(context, moviesQuery, filter, limit);
+            var latestShows = GetLatestTvShowItems(context, baseQuery, filter, limit);
+
+            return latestMovies.Concat(latestShows)
+                .OrderByDescending(dto => dto.DateCreated)
+                .ThenByDescending(dto => dto.Id)
                .Take(limit ?? int.MaxValue)
                .ToList();
-
-            return LoadLatestByIds(context, firstIds, filter);
        }

        var musicAlbumTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.MusicAlbum]!;
@@ -169,7 +166,10 @@ public sealed partial class BaseItemRepository
                .Where(album => albumIdsWithMatchingTrack.Contains(album.Id));
        }

-        var orderedAlbums = topAlbumsQuery
+        // The album is what gets returned, and neither branch above reads it through the
+        // user's filters, so its own parental restrictions have to be applied here: a
+        // matching track does not make an album the user may not see visible.
+        var orderedAlbums = ApplyParentalRestrictions(context, topAlbumsQuery, filter)
            .OrderByDescending(album => album.DateCreated)
            .ThenByDescending(album => album.Id);

@@ -222,6 +222,39 @@ public sealed partial class BaseItemRepository
            .ToArray()!;
    }

+    /// <summary>
+    /// Gets the latest movies, deduplicated so each movie only appears once.
+    /// </summary>
+    /// <param name="context">The database context.</param>
+    /// <param name="baseQuery">The query to pull movies from, with filters already applied.</param>
+    /// <param name="filter">The original query filter, used when loading the final items.</param>
+    /// <param name="limit">How many items to return.</param>
+    /// <returns>The latest movies, newest first.</returns>
+    private IReadOnlyList<BaseItemDto> GetLatestMovieItems(
+        JellyfinDbContext context,
+        IQueryable<BaseItemEntity> baseQuery,
+        InternalItemsQuery filter,
+        int? limit)
+    {
+        // Pick, per PresentationUniqueKey, the newest item; return the newest `limit` of those.
+        // Build up until limit by streaming through results and deduplicating on the fly.
+        var orderedIds = baseQuery
+            .Where(e => e.PresentationUniqueKey != null)
+            .OrderByDescending(e => e.DateCreated)
+            .ThenByDescending(e => e.Id)
+            .Select(e => new { e.Id, e.PresentationUniqueKey });
+
+        // DistinctBy and Take are lazy, so enumeration stops as soon as limit distinct keys are read.
+        var firstIds = orderedIds
+            .AsEnumerable()
+            .DistinctBy(row => row.PresentationUniqueKey)
+            .Select(row => row.Id)
+            .Take(limit ?? int.MaxValue)
+            .ToList();
+
+        return LoadLatestByIds(context, firstIds, filter);
+    }
+
    /// <summary>
    /// Gets the latest TV show items with smart Season/Series container selection.
    /// </summary>
@@ -422,6 +455,40 @@ public sealed partial class BaseItemRepository
            seriesResults.Add((seasonId, seriesId, maxDate, mostRecentEpisodeId));
        }

+        // Step 5b: A container is what gets returned, so it has to pass the user's access
+        // filters on its own - a matching episode does not make a Season or Series the user
+        // may not see visible. Containers that don't pass are replaced by their episode.
+        if (RequiresParentalRestrictions(filter) && entitiesToFetch.Count > 0)
+        {
+            var allowedContainerIds = ApplyParentalRestrictions(
+                    context,
+                    context.BaseItems.AsNoTracking().Where(e => entitiesToFetch.Contains(e.Id)),
+                    filter)
+                .Select(e => e.Id)
+                .ToHashSet();
+
+            for (var i = 0; i < seriesResults.Count; i++)
+            {
+                var (seasonId, seriesId, maxDate, mostRecentEpisodeId) = seriesResults[i];
+                if (seasonId.HasValue && !allowedContainerIds.Contains(seasonId.Value))
+                {
+                    seasonId = null;
+                }
+
+                if (seriesId.HasValue && !allowedContainerIds.Contains(seriesId.Value))
+                {
+                    seriesId = null;
+                }
+
+                if (seasonId is null && seriesId is null)
+                {
+                    entitiesToFetch.Add(mostRecentEpisodeId);
+                }
+
+                seriesResults[i] = (seasonId, seriesId, maxDate, mostRecentEpisodeId);
+            }
+        }
+
        // Step 6: Fetch the Season/Series entities we decided to return
        var entities = entitiesToFetch.Count > 0
            ? ApplyNavigations(
@@ -35,6 +35,39 @@ public sealed partial class BaseItemRepository
    // instance across several lambdas, and this filter is combined into a tree more than once.
    private static Expression<Func<BaseItemEntity, bool>> IsFolderFilter => e => e.IsFolder;

+    // Shared by the isPlayed filter and the IsPlayed/IsUnplayed ordering so the two cannot disagree.
+    private Expression<Func<BaseItemEntity, bool>> BuildIsPlayedFilter(JellyfinDbContext context, User user)
+    {
+        var userId = user.Id;
+
+        // Leaf items carry their own played state.
+        var playedItemIds = context.UserData
+            .Where(ud => ud.UserId == userId && ud.Played)
+            .Select(ud => ud.ItemId);
+
+        // Folders (Series, Seasons, BoxSets, albums, ...) have none and count as played once no
+        // descendant is left unplayed, matching what the DTO reports for them. This has to key off
+        // the item itself rather than off the requested item types: tag and collection listings mix
+        // folders and leaf items in a single query.
+        var unplayedLeafItems = GetAccessFilteredLeafItemsQuery(context, user)
+            .Where(e => !e.UserData!.Any(ud => ud.UserId == userId && ud.Played));
+
+        return IsFolderFilter.And(BuildHasDescendantFilter(context, unplayedLeafItems).Not())
+            .Or(IsFolderFilter.Not().And(e => playedItemIds.Contains(e.Id)));
+    }
+
+    // "und" is the language filters' stand-in for a track that declares no language at all.
+    private static string NormalizeLanguage(string language)
+        => string.Equals(language, "und", StringComparison.OrdinalIgnoreCase) ? "und" : language;
+
+    // The primary versions whose alternate version satisfies a dimension bound. Anchored on
+    // PrimaryVersionId so the filtered index carries it rather than a scan of every item.
+    private static IQueryable<Guid> VersionsMatchingDimension(JellyfinDbContext context, Expression<Func<BaseItemEntity, bool>> bound)
+        => context.BaseItems
+            .Where(v => v.PrimaryVersionId != null)
+            .Where(bound)
+            .Select(v => v.PrimaryVersionId!.Value);
+
    /// <inheritdoc />
    public IQueryable<BaseItemEntity> TranslateQuery(
        IQueryable<BaseItemEntity> baseQuery,
@@ -70,47 +103,86 @@ public sealed partial class BaseItemRepository
                include4K = true;
            }

-            // Non-folders: check own resolution directly (no subquery).
-            // Folders (Series, BoxSets): EXISTS check on descendants/linked children.
-            // Using navigation properties (a.Item, lc.Child) produces efficient
-            // EXISTS + JOIN instead of nested IN (SELECT ...) subqueries.
+            // A 4K remux of an SD primary is a version of the same item, so the bucket a caller filters
+            // on is the best any of the item's versions offers, not just the primary file's. Three sets,
+            // because a bucket is as much about what the version group does not have as what it does, and
+            // because an unprobed primary can still be placed by a version that does carry dimensions.
+            // The filtered PrimaryVersionId index keeps all three to the few items that have versions.
+            var versionsSd = VersionsMatchingDimension(context, v => v.Width > 0 && v.Width < HDWidth);
+            var versionsHd = VersionsMatchingDimension(context, v => v.Width >= HDWidth);
+            var versions4K = VersionsMatchingDimension(context, v => v.Width >= UHDWidth || v.Height >= UHDHeight);
+
+            // Only the SD test needs the Width > 0 guard against a row with no dimensions: such a row
+            // cannot reach the HD or 4K bound anyway, and EF lowers the HD bucket's negated "not itself
+            // 4K" guard to CASE WHEN ... THEN 0 ELSE 1, which already reads unknown as not 4K rather
+            // than propagating a null. Folders (Series, BoxSets) answer on their descendants, bucketed
+            // exactly as a top-level item is so that the two cannot disagree; the navigation properties
+            // (a.Item, lc.Child) give EXISTS + JOIN rather than nested IN (SELECT ...).
            baseQuery = baseQuery.Where(e =>
-                (!e.IsFolder && e.Width > 0
-                    && ((includeSD && e.Width < HDWidth)
-                        || (includeHD && e.Width >= HDWidth && !(e.Width >= UHDWidth || e.Height >= UHDHeight))
-                        || (include4K && (e.Width >= UHDWidth || e.Height >= UHDHeight))))
+                (!e.IsFolder
+                    && ((includeSD
+                            && ((e.Width > 0 && e.Width < HDWidth) || versionsSd.Contains(e.Id))
+                            && !versionsHd.Contains(e.Id)
+                            && !versions4K.Contains(e.Id))
+                        || (includeHD
+                            && (e.Width >= HDWidth || versionsHd.Contains(e.Id))
+                            && !(e.Width >= UHDWidth || e.Height >= UHDHeight)
+                            && !versions4K.Contains(e.Id))
+                        || (include4K
+                            && (e.Width >= UHDWidth || e.Height >= UHDHeight || versions4K.Contains(e.Id)))))
                || (e.IsFolder
                    && (e.Children!.Any(a =>
-                            a.Item.Width > 0
-                            && ((includeSD && a.Item.Width < HDWidth)
-                                || (includeHD && a.Item.Width >= HDWidth && !(a.Item.Width >= UHDWidth || a.Item.Height >= UHDHeight))
-                                || (include4K && (a.Item.Width >= UHDWidth || a.Item.Height >= UHDHeight))))
+                            (includeSD
+                                && ((a.Item.Width > 0 && a.Item.Width < HDWidth) || versionsSd.Contains(a.ItemId))
+                                && !versionsHd.Contains(a.ItemId)
+                                && !versions4K.Contains(a.ItemId))
+                            || (includeHD
+                                && (a.Item.Width >= HDWidth || versionsHd.Contains(a.ItemId))
+                                && !(a.Item.Width >= UHDWidth || a.Item.Height >= UHDHeight)
+                                && !versions4K.Contains(a.ItemId))
+                            || (include4K
+                                && (a.Item.Width >= UHDWidth || a.Item.Height >= UHDHeight || versions4K.Contains(a.ItemId))))
                        || context.LinkedChildren.Any(lc =>
                            lc.ParentId == e.Id
-                            && lc.Child!.Width > 0
-                            && ((includeSD && lc.Child.Width < HDWidth)
-                                || (includeHD && lc.Child.Width >= HDWidth && !(lc.Child.Width >= UHDWidth || lc.Child.Height >= UHDHeight))
-                                || (include4K && (lc.Child.Width >= UHDWidth || lc.Child.Height >= UHDHeight)))))));
+                            && ((includeSD
+                                    && ((lc.Child!.Width > 0 && lc.Child!.Width < HDWidth) || versionsSd.Contains(lc.ChildId))
+                                    && !versionsHd.Contains(lc.ChildId)
+                                    && !versions4K.Contains(lc.ChildId))
+                                || (includeHD
+                                    && (lc.Child!.Width >= HDWidth || versionsHd.Contains(lc.ChildId))
+                                    && !(lc.Child!.Width >= UHDWidth || lc.Child!.Height >= UHDHeight)
+                                    && !versions4K.Contains(lc.ChildId))
+                                || (include4K
+                                    && (lc.Child!.Width >= UHDWidth || lc.Child!.Height >= UHDHeight || versions4K.Contains(lc.ChildId))))))));
        }

+        // Same reasoning as the resolution filter: a dimension bound is met if any version meets it.
        if (minWidth.HasValue)
        {
-            baseQuery = baseQuery.Where(e => e.Width >= minWidth);
+            var versionsWideEnough = VersionsMatchingDimension(context, v => v.Width >= minWidth);
+            baseQuery = baseQuery.Where(e => e.Width >= minWidth || versionsWideEnough.Contains(e.Id));
        }

        if (filter.MinHeight.HasValue)
        {
-            baseQuery = baseQuery.Where(e => e.Height >= filter.MinHeight);
+            var minHeight = filter.MinHeight;
+            var versionsTallEnough = VersionsMatchingDimension(context, v => v.Height >= minHeight);
+            baseQuery = baseQuery.Where(e => e.Height >= minHeight || versionsTallEnough.Contains(e.Id));
        }

+        // An upper bound inverts that: it is met only if no version breaches it, since the item's
+        // resolution is the best its version group offers.
        if (maxWidth.HasValue)
        {
-            baseQuery = baseQuery.Where(e => e.Width <= maxWidth);
+            var versionsTooWide = VersionsMatchingDimension(context, v => v.Width > maxWidth);
+            baseQuery = baseQuery.Where(e => e.Width <= maxWidth && !versionsTooWide.Contains(e.Id));
        }

        if (filter.MaxHeight.HasValue)
        {
-            baseQuery = baseQuery.Where(e => e.Height <= filter.MaxHeight);
+            var maxHeight = filter.MaxHeight;
+            var versionsTooTall = VersionsMatchingDimension(context, v => v.Height > maxHeight);
+            baseQuery = baseQuery.Where(e => e.Height <= maxHeight && !versionsTooTall.Contains(e.Id));
        }

        if (filter.IsLocked.HasValue)
@@ -356,7 +428,7 @@ public sealed partial class BaseItemRepository
            }
            else
            {
-                baseQuery = baseQuery.Where(e => e.StartDate > now && e.EndDate < now);
+                baseQuery = baseQuery.Where(e => e.StartDate > now || e.EndDate < now);
            }
        }

@@ -370,14 +442,16 @@ public sealed partial class BaseItemRepository
                    p => p.Name,
                    (b, p) => p.Id);

+            var personTypes = filter.PersonTypes;
            baseQuery = baseQuery
                .Where(e => context.PeopleBaseItemMap
-                    .Any(m => m.ItemId == e.Id && peopleEntityIds.Contains(m.PeopleId)));
+                    .Any(m => m.ItemId == e.Id && peopleEntityIds.Contains(m.PeopleId) && (personTypes.Length == 0 || personTypes.Contains(m.People.PersonType))));
        }

        if (!string.IsNullOrWhiteSpace(filter.Person))
        {
-            baseQuery = baseQuery.Where(e => e.Peoples!.Any(f => f.People.Name == filter.Person));
+            var personTypes = filter.PersonTypes;
+            baseQuery = baseQuery.Where(e => e.Peoples!.Any(f => f.People.Name == filter.Person && (personTypes.Length == 0 || personTypes.Contains(f.People.PersonType))));
        }

        if (!string.IsNullOrWhiteSpace(filter.ExternalSeriesId))
@@ -470,22 +544,7 @@ public sealed partial class BaseItemRepository

        if (filter.IsPlayed.HasValue)
        {
-            var userId = filter.User!.Id;
-
-            // Leaf items carry their own played state.
-            var playedItemIds = context.UserData
-                .Where(ud => ud.UserId == userId && ud.Played)
-                .Select(ud => ud.ItemId);
-
-            // Folders (Series, Seasons, BoxSets, albums, ...) have none and count as played once no
-            // descendant is left unplayed, matching what the DTO reports for them. This has to key off
-            // the item itself rather than off the requested item types: tag and collection listings mix
-            // folders and leaf items in a single query.
-            var unplayedLeafItems = GetAccessFilteredLeafItemsQuery(context, filter.User!)
-                .Where(e => !e.UserData!.Any(ud => ud.UserId == userId && ud.Played));
-
-            var isPlayedFilter = IsFolderFilter.And(BuildHasDescendantFilter(context, unplayedLeafItems).Not())
-                .Or(IsFolderFilter.Not().And(e => playedItemIds.Contains(e.Id)));
+            var isPlayedFilter = BuildIsPlayedFilter(context, filter.User!);

            baseQuery = baseQuery.Where(filter.IsPlayed.Value ? isPlayedFilter : isPlayedFilter.Not());
        }
@@ -499,16 +558,21 @@ public sealed partial class BaseItemRepository
            var inProgress = context.UserData
                .Where(ud => ud.UserId == userId && ud.PlaybackPositionTicks > 0);

-            // Folders are resumable when a descendant is in progress, or when they hold both played and
-            // unplayed descendants (partially watched). Alternate versions keep their own progress, so
-            // they count towards the in-progress check but not towards the played/unplayed one.
+            // Series and Seasons are resumable when a descendant is in progress, or when they hold both
+            // played and unplayed descendants (partially watched). Alternate versions keep their own
+            // progress, so they count towards the in-progress check but not towards the played/unplayed one.
            var leafItems = GetAccessFilteredLeafItemsQuery(context, filter.User!);
            var inProgressLeafItems = GetAccessFilteredLeafItemsQuery(context, filter.User!, includeOwnedItems: true)
                .Where(e => e.UserData!.Any(ud => ud.UserId == userId && ud.PlaybackPositionTicks > 0));

-            var folderResumableFilter = BuildHasDescendantFilter(context, inProgressLeafItems)
-                .Or(BuildHasDescendantFilter(context, leafItems.Where(e => e.UserData!.Any(ud => ud.UserId == userId && ud.Played)))
-                    .And(BuildHasDescendantFilter(context, leafItems.Where(e => !e.UserData!.Any(ud => ud.UserId == userId && ud.Played)))));
+            // Every other folder kind is a container rather than one continuous piece of media
+            var resumableFolderTypes = _resumableFolderKinds
+                .Select(kind => _itemTypeLookup.BaseItemKindNames.GetValueOrDefault(kind))
+                .ToArray();
+            var folderIsResumableFilter = IsFolderFilter.And(e => resumableFolderTypes.Contains(e.Type))
+                .And(BuildHasDescendantFilter(context, inProgressLeafItems)
+                    .Or(BuildHasDescendantFilter(context, leafItems.Where(e => e.UserData!.Any(ud => ud.UserId == userId && ud.Played)))
+                        .And(BuildHasDescendantFilter(context, leafItems.Where(e => !e.UserData!.Any(ud => ud.UserId == userId && ud.Played))))));

            if (isResumable)
            {
@@ -516,7 +580,7 @@ public sealed partial class BaseItemRepository
                // Match each version on its own progress rather than coalescing onto the primary.
                var inProgressIds = inProgress.Select(ud => ud.ItemId);

-                baseQuery = baseQuery.Where(IsFolderFilter.And(folderResumableFilter)
+                baseQuery = baseQuery.Where(folderIsResumableFilter
                    .Or(IsFolderFilter.Not().And(e => inProgressIds.Contains(e.Id))));

                // When several versions of the same item are in progress, keep only the most recently played one, use id as tiebreaker.
@@ -543,14 +607,14 @@ public sealed partial class BaseItemRepository
                var resumableMovieIds = inProgress
                    .Join(context.BaseItems, ud => ud.ItemId, bi => bi.Id, (ud, bi) => bi.PrimaryVersionId ?? bi.Id);

-                baseQuery = baseQuery.Where(IsFolderFilter.And(folderResumableFilter.Not())
+                baseQuery = baseQuery.Where(IsFolderFilter.And(folderIsResumableFilter.Not())
                    .Or(IsFolderFilter.Not().And(e => !resumableMovieIds.Contains(e.Id))));
            }
        }

        if (filter.ArtistIds.Length > 0)
        {
-            baseQuery = baseQuery.WhereReferencedItemMultipleTypes(context, [ItemValueType.Artist, ItemValueType.AlbumArtist], filter.ArtistIds);
+            baseQuery = baseQuery.WhereReferencedItem(context, [ItemValueType.Artist, ItemValueType.AlbumArtist], filter.ArtistIds);
        }

        if (filter.AlbumArtistIds.Length > 0)
@@ -581,12 +645,12 @@ public sealed partial class BaseItemRepository

        if (filter.ExcludeArtistIds.Length > 0)
        {
-            baseQuery = baseQuery.WhereReferencedItemMultipleTypes(context, [ItemValueType.Artist, ItemValueType.AlbumArtist], filter.ExcludeArtistIds, true);
+            baseQuery = baseQuery.WhereReferencedItem(context, [ItemValueType.Artist, ItemValueType.AlbumArtist], filter.ExcludeArtistIds, true);
        }

        if (filter.GenreIds.Count > 0)
        {
-            baseQuery = baseQuery.WhereReferencedItem(context, ItemValueType.Genre, filter.GenreIds.ToArray());
+            baseQuery = baseQuery.WhereReferencedItem(context, ItemValueType.Genre, filter.GenreIds);
        }

        if (filter.Genres.Count > 0)
@@ -612,7 +676,7 @@ public sealed partial class BaseItemRepository

        if (filter.StudioIds.Length > 0)
        {
-            baseQuery = baseQuery.WhereReferencedItem(context, ItemValueType.Studios, filter.StudioIds.ToArray());
+            baseQuery = baseQuery.WhereReferencedItem(context, ItemValueType.Studios, filter.StudioIds);
        }

        if (filter.OfficialRatings.Length > 0)
@@ -754,104 +818,144 @@ public sealed partial class BaseItemRepository

        if (!string.IsNullOrWhiteSpace(filter.HasNoAudioTrackWithLanguage))
        {
-            var lang = filter.HasNoAudioTrackWithLanguage;
-            var foldersWithAudio = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Audio, lang));
+            var lang = NormalizeLanguage(filter.HasNoAudioTrackWithLanguage);
+            var undetermined = string.Equals(lang, "und", StringComparison.Ordinal);
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Audio, lang);
+            // A track only an alternate version carries still belongs to the item a caller sees, so the
+            // item's own streams alone do not decide this. Same for every stream filter below.
+            var versionsWithAudio = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithAudio = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);

            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Audio && ms.Language == lang))
+                    (!e.IsFolder
+                        && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Audio
+                            && (ms.Language == lang || (undetermined && string.IsNullOrEmpty(ms.Language))))
+                        && !versionsWithAudio.Contains(e.Id))
                    || (e.IsFolder && !foldersWithAudio.Contains(e.Id)));
        }

        if (!string.IsNullOrWhiteSpace(filter.HasNoInternalSubtitleTrackWithLanguage))
        {
-            var lang = filter.HasNoInternalSubtitleTrackWithLanguage;
-            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang, IsExternal: false));
+            var lang = NormalizeLanguage(filter.HasNoInternalSubtitleTrackWithLanguage);
+            var undetermined = string.Equals(lang, "und", StringComparison.Ordinal);
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang, IsExternal: false);
+            var versionsWithSubtitles = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);

            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle && !ms.IsExternal && ms.Language == lang))
+                    (!e.IsFolder
+                        && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle && !ms.IsExternal
+                            && (ms.Language == lang || (undetermined && string.IsNullOrEmpty(ms.Language))))
+                        && !versionsWithSubtitles.Contains(e.Id))
                    || (e.IsFolder && !foldersWithSubtitles.Contains(e.Id)));
        }

        if (!string.IsNullOrWhiteSpace(filter.HasNoExternalSubtitleTrackWithLanguage))
        {
-            var lang = filter.HasNoExternalSubtitleTrackWithLanguage;
-            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang, IsExternal: true));
+            var lang = NormalizeLanguage(filter.HasNoExternalSubtitleTrackWithLanguage);
+            var undetermined = string.Equals(lang, "und", StringComparison.Ordinal);
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang, IsExternal: true);
+            var versionsWithSubtitles = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);

            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle && ms.IsExternal && ms.Language == lang))
+                    (!e.IsFolder
+                        && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle && ms.IsExternal
+                            && (ms.Language == lang || (undetermined && string.IsNullOrEmpty(ms.Language))))
+                        && !versionsWithSubtitles.Contains(e.Id))
                    || (e.IsFolder && !foldersWithSubtitles.Contains(e.Id)));
        }

        if (!string.IsNullOrWhiteSpace(filter.HasNoSubtitleTrackWithLanguage))
        {
-            var lang = filter.HasNoSubtitleTrackWithLanguage;
-            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang));
+            var lang = NormalizeLanguage(filter.HasNoSubtitleTrackWithLanguage);
+            var undetermined = string.Equals(lang, "und", StringComparison.Ordinal);
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, lang);
+            var versionsWithSubtitles = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);

            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle && ms.Language == lang))
+                    (!e.IsFolder
+                        && !e.MediaStreams!.Any(ms => ms.StreamType == MediaStreamTypeEntity.Subtitle
+                            && (ms.Language == lang || (undetermined && string.IsNullOrEmpty(ms.Language))))
+                        && !versionsWithSubtitles.Contains(e.Id))
                    || (e.IsFolder && !foldersWithSubtitles.Contains(e.Id)));
        }

        if (filter.HasSubtitles.HasValue)
        {
            var hasSubtitles = filter.HasSubtitles.Value;
-            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, new HasSubtitles());
+            var criteria = new HasSubtitles();
+            var versionsWithSubtitles = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);
            if (hasSubtitles)
            {
                baseQuery = baseQuery
                    .Where(e =>
-                        (!e.IsFolder && e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle))
+                        (!e.IsFolder && (e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle)
+                            || versionsWithSubtitles.Contains(e.Id)))
                        || (e.IsFolder && foldersWithSubtitles.Contains(e.Id)));
            }
            else
            {
                baseQuery = baseQuery
                    .Where(e =>
-                        (!e.IsFolder && !e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle))
+                        (!e.IsFolder && !e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle)
+                            && !versionsWithSubtitles.Contains(e.Id))
                        || (e.IsFolder && !foldersWithSubtitles.Contains(e.Id)));
            }
        }

        if (filter.SubtitleLanguages.Count > 0)
        {
-            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, filter.SubtitleLanguages));
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Subtitle, filter.SubtitleLanguages);
+            var versionsWithSubtitles = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithSubtitles = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);
            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle
-                     && (filter.SubtitleLanguages.Contains(f.Language) || (filter.SubtitleLanguages.Contains("und") && string.IsNullOrEmpty(f.Language)))))
+                    (!e.IsFolder && (e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Subtitle
+                        && (filter.SubtitleLanguages.Contains(f.Language) || (filter.SubtitleLanguages.Contains("und") && string.IsNullOrEmpty(f.Language))))
+                        || versionsWithSubtitles.Contains(e.Id)))
                    || (e.IsFolder && foldersWithSubtitles.Contains(e.Id)));
        }

        if (filter.AudioLanguages.Count > 0)
        {
-            var foldersWithAudio = DescendantQueryHelper.GetFolderIdsMatching(context, new HasMediaStreamType(MediaStreamTypeEntity.Audio, filter.AudioLanguages));
+            var criteria = new HasMediaStreamType(MediaStreamTypeEntity.Audio, filter.AudioLanguages);
+            var versionsWithAudio = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithAudio = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);
            baseQuery = baseQuery
                .Where(e =>
-                    (!e.IsFolder && e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Audio
-                     && (filter.AudioLanguages.Contains(f.Language) || (filter.AudioLanguages.Contains("und") && string.IsNullOrEmpty(f.Language)))))
+                    (!e.IsFolder && (e.MediaStreams!.Any(f => f.StreamType == MediaStreamTypeEntity.Audio
+                        && (filter.AudioLanguages.Contains(f.Language) || (filter.AudioLanguages.Contains("und") && string.IsNullOrEmpty(f.Language))))
+                        || versionsWithAudio.Contains(e.Id)))
                    || (e.IsFolder && foldersWithAudio.Contains(e.Id)));
        }

        if (filter.HasChapterImages.HasValue)
        {
            var hasChapterImages = filter.HasChapterImages.Value;
-            var foldersWithChapterImages = DescendantQueryHelper.GetFolderIdsMatching(context, new HasChapterImages());
+            var criteria = new HasChapterImages();
+            var versionsWithChapterImages = DescendantQueryHelper.GetPrimaryVersionIdsMatching(context, criteria);
+            var foldersWithChapterImages = DescendantQueryHelper.GetFolderIdsMatching(context, criteria);
            if (hasChapterImages)
            {
                baseQuery = baseQuery
                    .Where(e =>
-                        (!e.IsFolder && e.Chapters!.Any(f => f.ImagePath != null))
+                        (!e.IsFolder && (e.Chapters!.Any(f => f.ImagePath != null)
+                            || versionsWithChapterImages.Contains(e.Id)))
                        || (e.IsFolder && foldersWithChapterImages.Contains(e.Id)));
            }
            else
            {
                baseQuery = baseQuery
                    .Where(e =>
-                        (!e.IsFolder && !e.Chapters!.Any(f => f.ImagePath != null))
+                        (!e.IsFolder && !e.Chapters!.Any(f => f.ImagePath != null)
+                            && !versionsWithChapterImages.Contains(e.Id))
                        || (e.IsFolder && !foldersWithChapterImages.Contains(e.Id)));
            }
        }
@@ -958,17 +1062,6 @@ public sealed partial class BaseItemRepository
            baseQuery = baseQuery.WhereHasAnyProviderIds(filter.HasAnyProviderIds);
        }

-        if (filter.HasAnyProviderIds is not null && filter.HasAnyProviderIds.Count > 0)
-        {
-            var includeAny = filter.HasAnyProviderIds
-                .SelectMany(kvp => kvp.Value.Select(v => $"{kvp.Key}:{v}"))
-                .ToArray();
-            if (includeAny.Length > 0)
-            {
-                baseQuery = baseQuery.Where(e => e.Provider!.Select(f => f.ProviderId + ":" + f.ProviderValue)!.Any(f => includeAny.Contains(f)));
-            }
-        }
-
        if (filter.HasImdbId.HasValue)
        {
            baseQuery = filter.HasImdbId.Value
@@ -990,21 +1083,7 @@ public sealed partial class BaseItemRepository
                : baseQuery.Where(e => e.Provider!.All(f => f.ProviderId.ToLower() != TvdbProviderName));
        }

-        var queryTopParentIds = filter.TopParentIds;
-
-        if (queryTopParentIds.Length > 0)
-        {
-            var includedItemByNameTypes = GetItemByNameTypesInQuery(filter);
-            var enableItemsByName = (filter.IncludeItemsByName ?? false) && includedItemByNameTypes.Count > 0;
-            if (enableItemsByName && includedItemByNameTypes.Count > 0)
-            {
-                baseQuery = baseQuery.Where(e => includedItemByNameTypes.Contains(e.Type) || queryTopParentIds.Any(w => w == e.TopParentId!.Value));
-            }
-            else
-            {
-                baseQuery = baseQuery.WhereOneOrMany(queryTopParentIds, e => e.TopParentId!.Value);
-            }
-        }
+        baseQuery = ApplyTopParentFiltering(context, baseQuery, filter);

        if (filter.AncestorIds.Length > 0)
        {
@@ -1012,6 +1091,12 @@ public sealed partial class BaseItemRepository
            baseQuery = baseQuery.Where(e => e.Parents!.AsQueryable().Any(ancestorFilter));
        }

+        if (filter.DescendantOfId.HasValue)
+        {
+            var descendantIds = DescendantQueryHelper.GetAllDescendantIds(context, filter.DescendantOfId.Value);
+            baseQuery = baseQuery.Where(e => descendantIds.Contains(e.Id));
+        }
+
        if (filter.LinkedChildAncestorIds.Length > 0)
        {
            // Keep folder-like items (BoxSets, Playlists) whose linked children descend from any of the requested ancestor ids.
@@ -46,6 +46,31 @@ public sealed partial class BaseItemRepository
    private static readonly IReadOnlyList<ItemValueType> _getStudiosValueTypes = [ItemValueType.Studios];
    private static readonly IReadOnlyList<ItemValueType> _getGenreValueTypes = [ItemValueType.Genre];

+    private static readonly BaseItemKind[] _itemByNameKinds =
+    [
+        BaseItemKind.Person,
+        BaseItemKind.Genre,
+        BaseItemKind.MusicGenre,
+        BaseItemKind.MusicArtist,
+        BaseItemKind.Studio
+    ];
+
+    private static readonly (BaseItemKind Kind, IReadOnlyList<ItemValueType> ValueTypes)[] _itemByNameValueTypes =
+    [
+        (BaseItemKind.Genre, _getGenreValueTypes),
+        (BaseItemKind.MusicGenre, _getGenreValueTypes),
+        (BaseItemKind.MusicArtist, _getAllArtistsValueTypes),
+        (BaseItemKind.Studio, _getStudiosValueTypes)
+    ];
+
+    // The only folder kinds whose children form a single viewing sequence, so playback progress on a
+    // child rolls up to them. Every other folder kind is a container that cannot be resumed.
+    private static readonly BaseItemKind[] _resumableFolderKinds =
+    [
+        BaseItemKind.Series,
+        BaseItemKind.Season
+    ];
+
    /// <summary>
    /// Initializes a new instance of the <see cref="BaseItemRepository"/> class.
    /// </summary>
@@ -249,30 +249,72 @@ public class ItemCountService : IItemCountService
            }
        }

+        if (kind is BaseItemKind.Studio or BaseItemKind.Genre or BaseItemKind.MusicGenre
+            && relatedItemKinds.Contains(BaseItemKind.Episode)
+            && relatedItemKinds.Contains(BaseItemKind.Series))
+        {
+            var rolledUpEpisodeCount = CountEpisodesOfTaggedSeries(context, baseQuery, accessFilter, out var directEpisodeCount);
+            totalCount += rolledUpEpisodeCount - result.EpisodeCount + directEpisodeCount;
+            result.EpisodeCount = rolledUpEpisodeCount + directEpisodeCount;
+        }
+
        result.ItemCount = totalCount;

        return result;
    }

+    private int CountEpisodesOfTaggedSeries(
+        JellyfinDbContext context,
+        IQueryable<BaseItemEntity> taggedItems,
+        InternalItemsQuery accessFilter,
+        out int unrelatedEpisodeCount)
+    {
+        var seriesTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Series];
+        var episodeTypeName = _itemTypeLookup.BaseItemKindNames[BaseItemKind.Episode];
+
+        var taggedSeriesIds = taggedItems.Where(e => e.Type == seriesTypeName).Select(e => e.Id);
+        unrelatedEpisodeCount = taggedItems.Count(e => e.Type == episodeTypeName
+            && (e.SeriesId == null || !taggedSeriesIds.Contains(e.SeriesId.Value)));
+
+        // Materialised so the episode count drives off IX_BaseItems_SeriesId.
+        var seriesIds = taggedItems
+            .Where(e => e.Type == seriesTypeName)
+            .Select(e => e.Id)
+            .ToArray();
+
+        if (seriesIds.Length == 0)
+        {
+            return 0;
+        }
+
+        var episodes = context.BaseItems.AsNoTracking()
+            .Where(e => e.Type == episodeTypeName && e.SeriesId != null)
+            .WhereOneOrMany(seriesIds, e => e.SeriesId!.Value);
+
+        return _queryHelpers.ApplyAccessFiltering(context, episodes, accessFilter).Count();
+    }
+
    private static IQueryable<BaseItemEntity> ItemsById(JellyfinDbContext context, IQueryable<Guid> itemIds)
        => context.BaseItems.AsNoTracking().Where(e => itemIds.Contains(e.Id));

    /// <inheritdoc/>
    public int GetPlayedCount(InternalItemsQuery filter, Guid ancestorId)
    {
+        ArgumentNullException.ThrowIfNull(filter);
        ArgumentNullException.ThrowIfNull(filter.User);
        using var dbContext = _dbProvider.CreateDbContext();

-        var baseQuery = _queryHelpers.BuildAccessFilteredDescendantsQuery(dbContext, filter, ancestorId);
+        var baseQuery = BuildGroupedDescendantsQuery(dbContext, filter, ancestorId);
        return baseQuery.Count(b => b.UserData!.Any(u => u.UserId == filter.User.Id && u.Played));
    }

    /// <inheritdoc/>
    public int GetTotalCount(InternalItemsQuery filter, Guid ancestorId)
    {
+        ArgumentNullException.ThrowIfNull(filter);
        using var dbContext = _dbProvider.CreateDbContext();

-        var baseQuery = _queryHelpers.BuildAccessFilteredDescendantsQuery(dbContext, filter, ancestorId);
+        var baseQuery = BuildGroupedDescendantsQuery(dbContext, filter, ancestorId);
        return baseQuery.Count();
    }

@@ -283,10 +325,23 @@ public class ItemCountService : IItemCountService
        ArgumentNullException.ThrowIfNull(filter.User);
        using var dbContext = _dbProvider.CreateDbContext();

-        var baseQuery = _queryHelpers.BuildAccessFilteredDescendantsQuery(dbContext, filter, ancestorId);
+        var baseQuery = BuildGroupedDescendantsQuery(dbContext, filter, ancestorId);
        return GetPlayedAndTotalCountFromQuery(baseQuery, filter.User.Id);
    }

+    private IQueryable<BaseItemEntity> BuildGroupedDescendantsQuery(JellyfinDbContext dbContext, InternalItemsQuery filter, Guid ancestorId)
+    {
+        var ancestorIds = GetPresentationKeyGroups(dbContext, [ancestorId])[ancestorId];
+        var descendantIds = DescendantQueryHelper.GetAllDescendantIdsBatch(dbContext, ancestorIds).ToArray();
+
+        var baseQuery = dbContext.BaseItems
+            .AsNoTracking()
+            .WhereOneOrMany(descendantIds, b => b.Id)
+            .Where(DescendantQueryHelper.IsCountableLeaf);
+
+        return _queryHelpers.ApplyAccessFiltering(dbContext, baseQuery, filter);
+    }
+
    /// <inheritdoc/>
    public (int Played, int Total) GetPlayedAndTotalCountFromLinkedChildren(InternalItemsQuery filter, Guid parentId)
    {
@@ -294,9 +349,9 @@ public class ItemCountService : IItemCountService
        ArgumentNullException.ThrowIfNull(filter.User);
        using var dbContext = _dbProvider.CreateDbContext();

-        var allDescendantIds = DescendantQueryHelper.GetAllDescendantIds(dbContext, parentId);
+        var allDescendantIds = DescendantQueryHelper.GetAllDescendantIdsBatch(dbContext, [parentId]).ToArray();
        var baseQuery = dbContext.BaseItems
-            .Where(b => allDescendantIds.Contains(b.Id))
+            .WhereOneOrMany(allDescendantIds, b => b.Id)
            .Where(DescendantQueryHelper.IsCountableLeaf);
        baseQuery = _queryHelpers.ApplyAccessFiltering(dbContext, baseQuery, filter);

@@ -304,7 +359,7 @@ public class ItemCountService : IItemCountService
    }

    /// <inheritdoc/>
-    public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, Guid? userId)
+    public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, User? user)
    {
        ArgumentNullException.ThrowIfNull(parentIds);

@@ -317,22 +372,44 @@ public class ItemCountService : IItemCountService

        var parentIdsArray = parentIds.ToArray();

+        var includeVirtual = user is null || user.DisplayMissingEpisodes;
+
        var hierarchicalCounts = dbContext.BaseItems
-            .Where(b => b.ParentId.HasValue && parentIdsArray.Contains(b.ParentId.Value))
+            .Where(b => b.ParentId.HasValue && !b.SeasonId.HasValue && (includeVirtual || !b.IsVirtualItem))
+            .WhereOneOrMany(parentIdsArray, b => b.ParentId!.Value)
            .GroupBy(b => b.ParentId!.Value)
            .Select(g => new { ParentId = g.Key, Count = g.Count() })
            .ToDictionary(x => x.ParentId, x => x.Count);

+        // An episode is a child of its season even when it is not stored under one: with a flat
+        // structure ParentId points at the series, so counting by ParentId alone leaves the season
+        // empty and counts its episodes towards the series instead.
+        var seasonCounts = dbContext.BaseItems
+            .Where(b => b.SeasonId.HasValue && (includeVirtual || !b.IsVirtualItem))
+            .WhereOneOrMany(parentIdsArray, b => b.SeasonId!.Value)
+            .GroupBy(b => b.SeasonId!.Value)
+            .Select(g => new { SeasonId = g.Key, Count = g.Count() })
+            .ToDictionary(x => x.SeasonId, x => x.Count);
+
        var linkedCounts = dbContext.LinkedChildren
-            .Where(lc => parentIdsArray.Contains(lc.ParentId))
+            .WhereOneOrMany(parentIdsArray, lc => lc.ParentId)
            .GroupBy(lc => lc.ParentId)
            .Select(g => new { ParentId = g.Key, Count = g.Count() })
            .ToDictionary(x => x.ParentId, x => x.Count);

+        var mergedChildCounts = GetMergedChildCounts(dbContext, parentIdsArray, includeVirtual);
+
        var result = new Dictionary<Guid, int>();
        foreach (var parentId in parentIds)
        {
-            var hierarchicalCount = hierarchicalCounts.GetValueOrDefault(parentId, 0);
+            if (mergedChildCounts.TryGetValue(parentId, out var mergedCount))
+            {
+                result[parentId] = mergedCount;
+                continue;
+            }
+
+            var hierarchicalCount = hierarchicalCounts.GetValueOrDefault(parentId, 0)
+                + seasonCounts.GetValueOrDefault(parentId, 0);
            var linkedCount = linkedCounts.GetValueOrDefault(parentId, 0);

            result[parentId] = linkedCount > 0 ? linkedCount : hierarchicalCount;
@@ -341,6 +418,56 @@ public class ItemCountService : IItemCountService
        return result;
    }

+    private static Dictionary<Guid, int> GetMergedChildCounts(JellyfinDbContext dbContext, IReadOnlyList<Guid> parentIds, bool includeVirtual)
+    {
+        var mergedGroups = GetPresentationKeyGroups(dbContext, parentIds)
+            .Where(group => group.Value.Count > 1)
+            .ToArray();
+
+        if (mergedGroups.Length == 0)
+        {
+            return [];
+        }
+
+        // Only merged folders.
+        var memberIds = mergedGroups.SelectMany(group => group.Value).Distinct().ToArray();
+        var children = dbContext.BaseItems
+            .AsNoTracking()
+            .Where(b => b.ParentId.HasValue && !b.SeasonId.HasValue && (includeVirtual || !b.IsVirtualItem))
+            .WhereOneOrMany(memberIds, b => b.ParentId!.Value)
+            .Select(b => new { ParentId = b.ParentId!.Value, b.Id, b.PresentationUniqueKey })
+            .ToArray()
+            .Concat(dbContext.BaseItems
+                .AsNoTracking()
+                .Where(b => b.SeasonId.HasValue && (includeVirtual || !b.IsVirtualItem))
+                .WhereOneOrMany(memberIds, b => b.SeasonId!.Value)
+                .Select(b => new { ParentId = b.SeasonId!.Value, b.Id, b.PresentationUniqueKey })
+                .ToArray())
+            .GroupBy(b => b.ParentId)
+            .ToDictionary(
+                g => g.Key,
+                g => g.Select(b => string.IsNullOrEmpty(b.PresentationUniqueKey)
+                    ? b.Id.ToString("N", CultureInfo.InvariantCulture)
+                    : b.PresentationUniqueKey).ToArray());
+
+        var result = new Dictionary<Guid, int>();
+        foreach (var (parentId, members) in mergedGroups)
+        {
+            var childKeys = new HashSet<string>(StringComparer.Ordinal);
+            foreach (var member in members)
+            {
+                if (children.TryGetValue(member, out var keys))
+                {
+                    childKeys.UnionWith(keys);
+                }
+            }
+
+            result[parentId] = childKeys.Count;
+        }
+
+        return result;
+    }
+
    /// <inheritdoc/>
    public Dictionary<Guid, (int Played, int Total)> GetPlayedAndTotalCountBatch(IReadOnlyList<Guid> folderIds, User user)
    {
@@ -353,10 +480,13 @@ public class ItemCountService : IItemCountService
        }

        using var dbContext = _dbProvider.CreateDbContext();
-        var folderIdsArray = folderIds.ToArray();
        var filter = new InternalItemsQuery(user);
        var userId = user.Id;

+        // Merged series and seasons are stored as one row per folder-item sharing a presentation key.
+        var groups = GetPresentationKeyGroups(dbContext, folderIds);
+        var folderIdsArray = groups.Values.SelectMany(members => members).Distinct().ToArray();
+
        var leafItems = dbContext.BaseItems
            .Where(DescendantQueryHelper.IsCountableLeaf);
        leafItems = _queryHelpers.ApplyAccessFiltering(dbContext, leafItems, filter);
@@ -398,7 +528,7 @@ public class ItemCountService : IItemCountService
                b => b.Id,
                (x, b) => new { FolderId = x.ParentId, b.Id, b.Played });

-        var results = ancestorLeaves
+        var countsByFolder = ancestorLeaves
            .Union(linkedLeaves)
            .Union(linkedFolderLeaves)
            .GroupBy(x => x.FolderId)
@@ -410,9 +540,73 @@ public class ItemCountService : IItemCountService
            })
            .ToDictionary(x => x.FolderId, x => (x.Played, x.Total));

+        var results = new Dictionary<Guid, (int Played, int Total)>();
+        foreach (var (folderId, members) in groups)
+        {
+            var played = 0;
+            var total = 0;
+
+            // Members of a group are distinct folders, so their leaves cannot overlap.
+            foreach (var member in members)
+            {
+                if (countsByFolder.TryGetValue(member, out var counts))
+                {
+                    played += counts.Played;
+                    total += counts.Total;
+                }
+            }
+
+            if (total > 0 || played > 0)
+            {
+                results[folderId] = (played, total);
+            }
+        }
+
        return results;
    }

+    private static Dictionary<Guid, List<Guid>> GetPresentationKeyGroups(JellyfinDbContext dbContext, IReadOnlyList<Guid> folderIds)
+    {
+        var requested = dbContext.BaseItems
+            .AsNoTracking()
+            .WhereOneOrMany(folderIds, e => e.Id)
+            .Select(e => new { e.Id, e.PresentationUniqueKey })
+            .ToArray();
+
+        var keys = requested
+            .Select(e => e.PresentationUniqueKey)
+            .Where(key => !string.IsNullOrEmpty(key))
+            .Distinct(StringComparer.Ordinal)
+            .ToArray();
+
+        // Every item that is not merged carries a key derived from its own id, so in the common case
+        // each group resolves back to the single folder that was asked for.
+        var membersByKey = keys.Length == 0
+            ? []
+            : dbContext.BaseItems
+                .AsNoTracking()
+                .Where(e => e.IsFolder)
+                .WhereOneOrMany(keys, e => e.PresentationUniqueKey!)
+                .Select(e => new { e.Id, Key = e.PresentationUniqueKey! })
+                .ToArray()
+                .GroupBy(e => e.Key, StringComparer.Ordinal)
+                .ToDictionary(g => g.Key, g => g.Select(e => e.Id).ToList(), StringComparer.Ordinal);
+
+        var keyById = requested.ToDictionary(e => e.Id, e => e.PresentationUniqueKey);
+        var groups = new Dictionary<Guid, List<Guid>>();
+        foreach (var folderId in folderIds)
+        {
+            groups[folderId] = keyById.TryGetValue(folderId, out var key)
+                && !string.IsNullOrEmpty(key)
+                && membersByKey.TryGetValue(key, out var members)
+                && members.Count > 0
+                    ? members
+                    : [folderId];
+        }
+
+        return groups;
+    }
+
    private static (int Played, int Total) GetPlayedAndTotalCountFromQuery(IQueryable<BaseItemEntity> query, Guid userId)
    {
        var result = query
@@ -257,23 +257,19 @@ public class ItemPersistenceService : IItemPersistenceService
        using var transaction = context.Database.BeginTransaction();

        var ids = tuples.Select(f => f.Item.Id).ToArray();
-        var existingItems = context.BaseItems.Where(e => ids.Contains(e.Id)).Select(f => f.Id).ToArray();
+        var existingItems = context.BaseItems.Where(e => ids.Contains(e.Id)).Select(f => f.Id).ToHashSet();

        foreach (var item in tuples)
        {
            var entity = BaseItemMapper.Map(item.Item, _appHost);
            entity.TopParentId = item.TopParent?.Id;

-            if (!existingItems.Any(e => e == entity.Id))
+            if (!existingItems.Contains(entity.Id))
            {
                context.BaseItems.Add(entity);
            }
            else
            {
-                context.BaseItemProviders.Where(e => e.ItemId == entity.Id).ExecuteDelete();
-                context.BaseItemImageInfos.Where(e => e.ItemId == entity.Id).ExecuteDelete();
-                context.BaseItemMetadataFields.Where(e => e.ItemId == entity.Id).ExecuteDelete();
-
                if (entity.Images is { Count: > 0 })
                {
                    context.BaseItemImageInfos.AddRange(entity.Images);
@@ -314,9 +310,11 @@ public class ItemPersistenceService : IItemPersistenceService
        }).ToArray();
        context.ItemValues.AddRange(missingItemValues);

-        var itemValuesStore = existingValues.Concat(missingItemValues).ToArray();
+        var itemValuesStore = existingValues
+            .Concat(missingItemValues)
+            .ToDictionary(e => (e.Type, e.Value));
        var valueMap = itemValueMaps
-            .Select(f => (f.Item, Values: f.Values.Select(e => itemValuesStore.First(g => g.Value == e.Value && g.Type == e.MagicNumber)).DistinctBy(e => e.ItemValueId).ToArray()))
+            .Select(f => (f.Item, Values: f.Values.Select(e => itemValuesStore[(e.MagicNumber, e.Value)]).DistinctBy(e => e.ItemValueId).ToArray()))
            .ToArray();

        var mappedValues = context.ItemValuesMap.Where(e => ids.Contains(e.ItemId)).ToList();
@@ -401,6 +399,15 @@ public class ItemPersistenceService : IItemPersistenceService
            }
        }

+        // Owned rows of updated items are rewritten wholesale; cleared in one statement per table.
+        if (existingItems.Count > 0)
+        {
+            var updatedIds = existingItems.ToArray();
+            context.BaseItemProviders.WhereOneOrMany(updatedIds, e => e.ItemId).ExecuteDelete();
+            context.BaseItemImageInfos.WhereOneOrMany(updatedIds, e => e.ItemId).ExecuteDelete();
+            context.BaseItemMetadataFields.WhereOneOrMany(updatedIds, e => e.ItemId).ExecuteDelete();
+        }
+
        context.SaveChanges();

        var folderIds = tuples
@@ -531,7 +538,7 @@ public class ItemPersistenceService : IItemPersistenceService
                var childIdsToCheck = resolvedChildren.Select(c => c.ChildId).Distinct().ToList();
                var existingChildIds = childIdsToCheck.Count > 0
                    ? context.BaseItems
-                        .Where(e => childIdsToCheck.Contains(e.Id))
+                        .WhereOneOrMany(childIdsToCheck, e => e.Id)
                        .Select(e => e.Id)
                        .ToHashSet()
                    : [];
@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Linq;
 using Jellyfin.Data.Enums;
 using Jellyfin.Database.Implementations;
+using Jellyfin.Extensions;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Persistence;
 using Microsoft.EntityFrameworkCore;
@@ -59,31 +60,51 @@ public class LinkedChildrenService : ILinkedChildrenService
            .ToArray();
    }

+    /// <inheritdoc/>
+    public IReadOnlySet<Guid> GetItemIdsWithAlternateVersions(IReadOnlyList<Guid> itemIds)
+    {
+        if (itemIds.Count == 0)
+        {
+            return new HashSet<Guid>();
+        }
+
+        using var dbContext = _dbProvider.CreateDbContext();
+
+        return dbContext.LinkedChildren
+            .Where(lc => lc.ChildType == DbLinkedChildType.LocalAlternateVersion
+                || lc.ChildType == DbLinkedChildType.LinkedAlternateVersion)
+            .WhereOneOrMany(itemIds, lc => lc.ParentId)
+            .Select(lc => lc.ParentId)
+            .Distinct()
+            .ToHashSet();
+    }
+
    /// <inheritdoc/>
    public IReadOnlyDictionary<string, MusicArtist[]> FindArtists(IReadOnlyList<string> artistNames)
    {
        using var dbContext = _dbProvider.CreateDbContext();

-        var lowerNames = artistNames.Select(n => n.ToLowerInvariant()).ToArray();
+        var cleanNames = artistNames.Select(n => (Original: n, Clean: n.GetCleanValue())).ToArray();
+        var cleanValues = cleanNames.Select(x => x.Clean).ToArray();
+
        var artists = dbContext.BaseItems
            .AsNoTracking()
            .Where(e => e.Type == _itemTypeLookup.BaseItemKindNames[BaseItemKind.MusicArtist]!)
-            .Where(e => lowerNames.Contains(e.Name!.ToLower()))
+            .Where(e => cleanValues.Contains(e.CleanName))
            .ToArray();

        var lookup = artists
-            .GroupBy(e => e.Name!, StringComparer.OrdinalIgnoreCase)
+            .GroupBy(e => e.CleanName!)
            .ToDictionary(
                g => g.Key,
-                g => g.Select(f => _queryHelpers.DeserializeBaseItem(f)).Where(dto => dto is not null).Cast<MusicArtist>().ToArray(),
-                StringComparer.OrdinalIgnoreCase);
+                g => g.Select(f => _queryHelpers.DeserializeBaseItem(f)).Where(dto => dto is not null).Cast<MusicArtist>().ToArray());

-        var result = new Dictionary<string, MusicArtist[]>(artistNames.Count);
-        foreach (var name in artistNames)
+        var result = new Dictionary<string, MusicArtist[]>(cleanNames.Length);
+        foreach (var (original, clean) in cleanNames)
        {
-            if (lookup.TryGetValue(name, out var artistArray))
+            if (lookup.TryGetValue(clean, out var artistArray))
            {
-                result[name] = artistArray;
+                result[original] = artistArray;
            }
        }

@@ -21,10 +21,11 @@ namespace Jellyfin.Server.Implementations.Item;
 /// </summary>
 /// <param name="dbProvider">Efcore Factory.</param>
 /// <param name="itemTypeLookup">Items lookup service.</param>
+/// <param name="queryHelpers">Shared item query helpers.</param>
 /// <remarks>
 /// Initializes a new instance of the <see cref="PeopleRepository"/> class.
 /// </remarks>
-public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, IItemTypeLookup itemTypeLookup) : IPeopleRepository
+public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, IItemTypeLookup itemTypeLookup, IItemQueryHelpers queryHelpers) : IPeopleRepository
 {
    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider = dbProvider;

@@ -33,12 +34,13 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
    {
        using var context = _dbProvider.CreateDbContext();
        var dbQuery = TranslateQuery(context.Peoples.AsNoTracking(), context, filter);
+        int? distinctNameCount = null;

        // Include PeopleBaseItemMap
        if (!filter.ItemId.IsEmpty())
        {
            dbQuery = dbQuery.Include(p => p.BaseItems!.Where(m => m.ItemId == filter.ItemId))
-                .OrderBy(e => e.BaseItems!.First(e => e.ItemId == filter.ItemId).ListOrder)
+                .OrderBy(e => e.BaseItems!.Where(m => m.ItemId == filter.ItemId).Min(m => m.ListOrder))
                .ThenBy(e => e.PersonType)
                .ThenBy(e => e.Name);
        }
@@ -46,17 +48,25 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
        {
            // The Peoples table has one row per (Name, PersonType), so the same person can
            // appear multiple times (e.g. as Actor and GuestStar). Collapse to one row per
-            // name so /Persons doesn't return the same BaseItem id repeatedly. Lowercase the
-            // grouping key so case-only duplicates collapse together.
-            var representativeIds = dbQuery
-                .GroupBy(e => e.Name.ToLower())
-                .Select(g => g.Min(e => e.Id));
-            dbQuery = context.Peoples.AsNoTracking()
-                .Where(p => representativeIds.Contains(p.Id))
-                .OrderBy(e => e.Name);
+            // name so /Persons doesn't return the same BaseItem id repeatedly, keeping the
+            // lowest id per lowercased name so case-only duplicates collapse together.
+            var candidates = dbQuery;
+            dbQuery = candidates
+                .Where(p => !candidates.Any(other => other.Name.ToLower() == p.Name.ToLower() && other.Id < p.Id))
+                .OrderBy(e => e.Name.ToLower());
+
+            if (filter.EnableTotalRecordCount)
+            {
+                distinctNameCount = candidates.Select(e => e.Name.ToLower()).Distinct().Count();
+            }
+        }
+
+        var count = 0;
+        if (filter.EnableTotalRecordCount)
+        {
+            count = distinctNameCount ?? dbQuery.Count();
        }

-        var count = dbQuery.Count();
        if (filter.StartIndex.HasValue && filter.StartIndex > 0)
        {
            dbQuery = dbQuery.Skip(filter.StartIndex.Value);
@@ -71,7 +81,7 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
        {
            StartIndex = filter.StartIndex ?? 0,
            TotalRecordCount = count,
-            Items = dbQuery.AsEnumerable().Select(Map).ToArray(),
+            Items = dbQuery.AsEnumerable().SelectMany(MapCredits).ToArray(),
        };
    }

@@ -107,9 +117,17 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
            person.Role = person.Role?.Trim() ?? string.Empty;
        }

-        // multiple metadata providers can provide the _same_ person; dedupe case-insensitively.
-        people = people.DistinctBy(e => e.Name.ToLowerInvariant() + "-" + e.Type).ToArray();
-        var personKeys = people.Select(e => e.Name.ToLowerInvariant() + "-" + e.Type).ToArray();
+        // Project the values every comparison below needs once, so neither the case folding nor the
+        // enum formatting is repeated per candidate.
+        var credits = people.Select(e => (Person: e, LoweredName: e.Name.ToLowerInvariant(), PersonType: e.Type.ToString(), LoweredRole: e.Role.ToLowerInvariant()));
+
+        // multiple metadata providers can provide the _same_ credit; dedupe case-insensitively.
+        // The role is part of the key because one person can hold several credits of the same type
+        // on an item, e.g. a Writer credited for both the Novel and the Screenplay.
+        var distinctCredits = credits.DistinctBy(e => (e.LoweredName, e.PersonType, e.LoweredRole)).ToArray();
+
+        var distinctPersons = distinctCredits.DistinctBy(e => (e.LoweredName, e.PersonType)).ToArray();
+        var personKeys = distinctPersons.Select(e => e.LoweredName + "-" + e.PersonType).ToArray();

        using var context = _dbProvider.CreateDbContext();
        using var transaction = context.Database.BeginTransaction();
@@ -122,23 +140,44 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
            .Select(f => f.item)
            .ToArray();

-        var toAdd = people
-            .Where(e => !existingPersons.Any(f => string.Equals(f.Name, e.Name, StringComparison.OrdinalIgnoreCase) && f.PersonType == e.Type.ToString()))
-            .Select(Map);
+        var existingPersonKeys = existingPersons.Select(e => (e.Name.ToLowerInvariant(), e.PersonType ?? string.Empty)).ToHashSet();
+
+        var toAdd = distinctPersons
+            .Where(e => !existingPersonKeys.Contains((e.LoweredName, e.PersonType)))
+            .Select(e => Map(e.Person))
+            .ToArray();
        context.Peoples.AddRange(toAdd);
        context.SaveChanges();

-        var personsEntities = toAdd.Concat(existingPersons).ToArray();
+        // The Peoples table can hold case-only duplicates, so keep the first match per key just as
+        // the previous First() lookup did.
+        var personsEntities = new Dictionary<(string LoweredName, string PersonType), People>();
+        foreach (var entity in toAdd.Concat(existingPersons))
+        {
+            personsEntities.TryAdd((entity.Name.ToLowerInvariant(), entity.PersonType ?? string.Empty), entity);
+        }

        var existingMaps = context.PeopleBaseItemMap.Include(e => e.People).Where(e => e.ItemId == itemId).ToList();
+        var existingMapsByCredit = new Dictionary<(string LoweredName, string PersonType, string LoweredRole), PeopleBaseItemMap>();
+        foreach (var map in existingMaps)
+        {
+            existingMapsByCredit.TryAdd((map.People.Name.ToLowerInvariant(), map.People.PersonType ?? string.Empty, map.Role?.ToLowerInvariant() ?? string.Empty), map);
+        }

        var listOrder = 0;

-        foreach (var person in people)
+        foreach (var credit in distinctCredits)
        {
-            var entityPerson = personsEntities.First(e => string.Equals(e.Name, person.Name, StringComparison.OrdinalIgnoreCase) && e.PersonType == person.Type.ToString());
-            var existingMap = existingMaps.FirstOrDefault(e => string.Equals(e.People.Name, person.Name, StringComparison.OrdinalIgnoreCase) && e.People.PersonType == person.Type.ToString() && e.Role == person.Role);
-            if (existingMap is null)
+            var entityPerson = personsEntities[(credit.LoweredName, credit.PersonType)];
+            if (existingMapsByCredit.TryGetValue((credit.LoweredName, credit.PersonType, credit.LoweredRole), out var existingMap))
+            {
+                // Update the order for existing mappings
+                existingMap.ListOrder = listOrder;
+                existingMap.SortOrder = credit.Person.SortOrder;
+                // person mapping already exists so remove from list
+                existingMaps.Remove(existingMap);
+            }
+            else
            {
                context.PeopleBaseItemMap.Add(new PeopleBaseItemMap()
                {
@@ -147,28 +186,52 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
                    People = null!,
                    PeopleId = entityPerson.Id,
                    ListOrder = listOrder,
-                    SortOrder = person.SortOrder,
-                    Role = person.Role
+                    SortOrder = credit.Person.SortOrder,
+                    Role = credit.Person.Role
                });
            }
-            else
-            {
-                // Update the order for existing mappings
-                existingMap.ListOrder = listOrder;
-                existingMap.SortOrder = person.SortOrder;
-                // person mapping already exists so remove from list
-                existingMaps.Remove(existingMap);
-            }

            listOrder++;
        }

+        var droppedCredits = existingMaps.Select(e => e.PeopleId).Distinct().ToArray();
        context.PeopleBaseItemMap.RemoveRange(existingMaps);

+        context.SaveChanges();
+
+        // Nothing else ever deletes a credit row, so one left without a single mapping outlives the
+        // credit it stood for: it keeps a person of that name off the dead-person sweep, which only
+        // sees items no credit names, and keeps the name in every by-name list. That is how a credit
+        // a provider dropped, or one a broken provider result invented, becomes impossible to clean up.
+        DeleteCreditsWithoutMapping(context, droppedCredits);
+
        context.SaveChanges();
        transaction.Commit();
    }

+    /// <inheritdoc/>
+    public int DeleteOrphanedCredits()
+    {
+        using var context = _dbProvider.CreateDbContext();
+
+        return DeleteCreditsWithoutMapping(context, null);
+    }
+
+    // A null candidate list sweeps every credit, anything else only the ones just unmapped.
+    private int DeleteCreditsWithoutMapping(JellyfinDbContext context, IReadOnlyList<Guid>? candidates)
+    {
+        if (candidates is not null && candidates.Count == 0)
+        {
+            return 0;
+        }
+
+        var credits = candidates is null
+            ? context.Peoples.AsQueryable()
+            : context.Peoples.WhereOneOrMany(candidates, e => e.Id);
+
+        return credits.Where(e => !context.PeopleBaseItemMap.Any(f => f.PeopleId == e.Id)).ExecuteDelete();
+    }
+
    /// <inheritdoc/>
    public IReadOnlyDictionary<Guid, IReadOnlyList<string>> GetPeopleNamesByItems(IReadOnlyList<Guid> itemIds, IReadOnlyList<string> personTypes)
    {
@@ -205,9 +268,66 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
        return result;
    }

-    private PersonInfo Map(People people)
+    /// <inheritdoc/>
+    public IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>> GetPeopleByItems(IReadOnlyList<Guid> itemIds)
+    {
+        using var context = _dbProvider.CreateDbContext();
+        var rows = context.PeopleBaseItemMap
+            .AsNoTracking()
+            .Where(m => itemIds.Contains(m.ItemId))
+            .OrderBy(m => m.ListOrder)
+            .Select(m => new
+            {
+                m.ItemId,
+                m.Role,
+                m.SortOrder,
+                m.People.Id,
+                m.People.Name,
+                m.People.PersonType
+            })
+            .ToList();
+
+        var result = new Dictionary<Guid, IReadOnlyList<PersonInfo>>();
+        foreach (var group in rows.GroupBy(r => r.ItemId))
+        {
+            var people = new List<PersonInfo>();
+            foreach (var row in group)
+            {
+                var personInfo = new PersonInfo
+                {
+                    ItemId = row.ItemId,
+                    Id = row.Id,
+                    Name = row.Name,
+                    Role = row.Role,
+                    SortOrder = row.SortOrder
+                };
+                if (Enum.TryParse<PersonKind>(row.PersonType, out var kind))
+                {
+                    personInfo.Type = kind;
+                }
+
+                people.Add(personInfo);
+            }
+
+            result[group.Key] = people;
+        }
+
+        return result;
+    }
+
+    private IEnumerable<PersonInfo> MapCredits(People people)
+    {
+        var mappings = people.BaseItems;
+        if (mappings is null || mappings.Count == 0)
+        {
+            return [Map(people, null)];
+        }
+
+        return mappings.OrderBy(m => m.ListOrder).Select(m => Map(people, m));
+    }
+
+    private PersonInfo Map(People people, PeopleBaseItemMap? mapping)
    {
-        var mapping = people.BaseItems?.FirstOrDefault();
        var personInfo = new PersonInfo()
        {
            Id = people.Id,
@@ -240,18 +360,34 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I
        if (filter.User is not null && filter.IsFavorite.HasValue)
        {
            var personType = itemTypeLookup.BaseItemKindNames[BaseItemKind.Person];
-            var oldQuery = query;
+            var userId = filter.User.Id;
+            var isFavorite = filter.IsFavorite.Value;
+            var favoriteItemIds = context.UserData
+                .Where(u => u.UserId.Equals(userId) && u.IsFavorite == isFavorite)
+                .Select(u => u.ItemId);

-            query = context.UserData
-                .Where(u => u.Item!.Type == personType && u.IsFavorite == filter.IsFavorite && u.UserId.Equals(filter.User.Id))
-                .Join(oldQuery, e => e.Item!.Name, e => e.Name, (item, person) => person)
-                .Distinct()
-                .AsNoTracking();
+            var favoriteNames = context.BaseItems
+                .Where(b => b.Type == personType && favoriteItemIds.Contains(b.Id))
+                .Select(b => b.Name);
+
+            query = query.Where(e => favoriteNames.Contains(e.Name));
+        }
+
+        if (filter.AccessFilter is not null)
+        {
+            // Keep only people credited on at least one item the user can see.
+            var accessibleItems = queryHelpers.ApplyAccessFiltering(context, context.BaseItems.AsNoTracking(), filter.AccessFilter);
+            query = query.Where(e => context.PeopleBaseItemMap
+                .Any(m => m.PeopleId == e.Id && accessibleItems.Any(i => i.Id == m.ItemId)));
        }

        if (!filter.ItemId.IsEmpty())
        {
-            query = query.Where(e => e.BaseItems!.Any(w => w.ItemId.Equals(filter.ItemId)));
+            var itemId = filter.ItemId;
+            query = query.Where(e => context.PeopleBaseItemMap
+                .Where(m => m.ItemId.Equals(itemId))
+                .Select(m => m.PeopleId)
+                .Contains(e.Id));
        }

        if (filter.ParentId != null)
@@ -261,7 +397,11 @@ public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider, I

        if (!filter.AppearsInItemId.IsEmpty())
        {
-            query = query.Where(e => e.BaseItems!.Any(w => w.ItemId.Equals(filter.AppearsInItemId)));
+            var appearsInItemId = filter.AppearsInItemId;
+            query = query.Where(e => context.PeopleBaseItemMap
+                .Where(m => m.ItemId.Equals(appearsInItemId))
+                .Select(m => m.PeopleId)
+                .Contains(e.Id));
        }

        var queryPersonTypes = filter.PersonTypes.Where(IsValidPersonType).ToList();
@@ -225,17 +225,8 @@ namespace Jellyfin.Server.Implementations.Users
                        ?? throw new ResourceNotFoundException(nameof(user.Id));

                    dbContext.Entry(dbUser).CurrentValues.SetValues(user);
-                    dbUser.Permissions.Clear();
-                    foreach (var permission in user.Permissions)
-                    {
-                        dbUser.Permissions.Add(new Permission(permission.Kind, permission.Value));
-                    }
-
-                    dbUser.Preferences.Clear();
-                    foreach (var preference in user.Preferences)
-                    {
-                        dbUser.Preferences.Add(new Preference(preference.Kind, preference.Value));
-                    }
+                    SyncPermissions(dbUser, user.Permissions);
+                    SyncPreferences(dbUser, user.Preferences);

                    dbUser.AccessSchedules.Clear();
                    foreach (var accessSchedule in user.AccessSchedules)
@@ -269,6 +260,60 @@ namespace Jellyfin.Server.Implementations.Users
            }
        }

+        private static void SyncPermissions(User dbUser, ICollection<Permission> source)
+        {
+            var incoming = new Dictionary<PermissionKind, bool>();
+            foreach (var permission in source)
+            {
+                incoming[permission.Kind] = permission.Value;
+            }
+
+            foreach (var existing in dbUser.Permissions)
+            {
+                if (incoming.Remove(existing.Kind, out var value))
+                {
+                    // EF only marks the row modified if the value actually differs, so an update that
+                    // touches nothing but the user row - a session activity stamp - writes no children.
+                    existing.Value = value;
+                }
+                else
+                {
+                    dbUser.Permissions.Remove(existing);
+                }
+            }
+
+            foreach (var (kind, value) in incoming)
+            {
+                dbUser.Permissions.Add(new Permission(kind, value));
+            }
+        }
+
+        private static void SyncPreferences(User dbUser, ICollection<Preference> source)
+        {
+            var incoming = new Dictionary<PreferenceKind, string>();
+            foreach (var preference in source)
+            {
+                incoming[preference.Kind] = preference.Value;
+            }
+
+            foreach (var existing in dbUser.Preferences)
+            {
+                if (incoming.Remove(existing.Kind, out var value))
+                {
+                    existing.Value = value;
+                }
+                else
+                {
+                    dbUser.Preferences.Remove(existing);
+                }
+            }
+
+            foreach (var (kind, value) in incoming)
+            {
+                dbUser.Preferences.Add(new Preference(kind, value));
+            }
+        }
+
        internal async Task<User> CreateUserInternalAsync(string name, JellyfinDbContext dbContext)
        {
            // TODO: Remove after user item data is migrated.
@@ -22,6 +22,11 @@ namespace Jellyfin.Server.Migrations.Routines;
 [JellyfinMigrationBackup(JellyfinDb = true)]
 internal class MigrateLinkedChildren : IDatabaseMigrationRoutine
 {
+    private const int ParseProgressLogStep = 25_000;
+    private const int FileCheckProgressLogStep = 10_000;
+    private const int ResolveProgressLogStep = 10_000;
+    private const int DeleteProgressLogStep = 25;
+
    private readonly ILogger<MigrateLinkedChildren> _logger;
    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
    private readonly ILibraryManager _libraryManager;
@@ -85,7 +90,6 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine
        var droppedChildren = 0;
        var linkedChildrenToAdd = new List<LinkedChildEntity>();
        var processedCount = 0;
-        const int progressLogStep = 1000;
        var totalItems = itemsWithData.Count;

        foreach (var item in itemsWithData)
@@ -95,7 +99,7 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine
                continue;
            }

-            if (processedCount > 0 && processedCount % progressLogStep == 0)
+            if (processedCount > 0 && processedCount % ParseProgressLogStep == 0)
            {
                _logger.LogInformation("Processing LinkedChildren: {Processed}/{Total} items", processedCount, totalItems);
            }
@@ -311,11 +315,7 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine

        _logger.LogInformation("Found {Count} wrong-type alternate version items to remove.", wrongTypeChildIds.Count);

-        var itemsToDelete = wrongTypeChildIds
-            .Select(id => _libraryManager.GetItemById(id))
-            .Where(item => item is not null)
-            .ToList();
-        var deleted = DeleteItems(itemsToDelete!);
+        var deleted = ResolveAndDeleteItems(wrongTypeChildIds, "wrong-type alternate version items");

        _logger.LogInformation("Removed {Count} wrong-type alternate version items. They will be recreated with the correct type on next library scan.", deleted);
    }
@@ -342,11 +342,7 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine

        _logger.LogInformation("Found {Count} orphaned alternate version BaseItems to remove.", orphanedVersionIds.Count);

-        var itemsToDelete = orphanedVersionIds
-            .Select(id => _libraryManager.GetItemById(id))
-            .Where(item => item is not null)
-            .ToList();
-        var deleted = DeleteItems(itemsToDelete!);
+        var deleted = ResolveAndDeleteItems(orphanedVersionIds, "orphaned alternate version BaseItems");

        _logger.LogInformation("Removed {Count} orphaned alternate version BaseItems.", deleted);
    }
@@ -371,11 +367,7 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine

        _logger.LogInformation("Found {Count} items from deleted libraries to remove.", orphanedIds.Count);

-        var itemsToDelete = orphanedIds
-            .Select(id => _libraryManager.GetItemById(id))
-            .Where(item => item is not null)
-            .ToList();
-        var deleted = DeleteItems(itemsToDelete!);
+        var deleted = ResolveAndDeleteItems(orphanedIds, "items from deleted libraries");

        _logger.LogInformation("Removed {Count} items from deleted libraries.", deleted);
    }
@@ -427,8 +419,23 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine
        var skippedUnrootedItems = 0;

        var staleIds = new List<Guid>();
+        var checkedCount = 0;
+        _logger.LogInformation("Checking {Total} items for missing files.", itemsWithPaths.Count);
+
        foreach (var item in itemsWithPaths)
        {
+            // A miss on offline storage can block for the mount timeout, so report while scanning.
+            if (checkedCount > 0 && checkedCount % FileCheckProgressLogStep == 0)
+            {
+                _logger.LogInformation(
+                    "Checking for missing files: {Checked}/{Total} items, {Stale} stale so far.",
+                    checkedCount,
+                    itemsWithPaths.Count,
+                    staleIds.Count);
+            }
+
+            checkedCount++;
+
            // Expand virtual path placeholders (%AppDataPath%, %MetadataPath%) to real paths
            var path = _appHost.ExpandVirtualPath(item.Path!);

@@ -482,16 +489,47 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine

        _logger.LogInformation("Found {Count} stale items to remove.", staleIds.Count);

-        var itemsToDelete = staleIds
-            .Select(id => _libraryManager.GetItemById(id))
-            .Where(item => item is not null)
-            .ToList();
-        var deleted = DeleteItems(itemsToDelete!);
+        var deleted = ResolveAndDeleteItems(staleIds, "items with missing files");

        _logger.LogInformation("Removed {Count} stale items.", deleted);
    }

-    private int DeleteItems(IReadOnlyCollection<BaseItem> items)
+    private int ResolveAndDeleteItems(IReadOnlyCollection<Guid> ids, string description)
+    {
+        if (ids.Count == 0)
+        {
+            return 0;
+        }
+
+        return DeleteItems(ResolveItems(ids, description), description);
+    }
+
+    private List<BaseItem> ResolveItems(IReadOnlyCollection<Guid> ids, string description)
+    {
+        // Each lookup is a separate repository read; cached ones are fast, so this only reports
+        // once a set is large enough for the reads to add up to a noticeable stretch.
+        var items = new List<BaseItem>(ids.Count);
+        var processed = 0;
+        foreach (var id in ids)
+        {
+            if (processed > 0 && processed % ResolveProgressLogStep == 0)
+            {
+                _logger.LogInformation("Loading {Description}: {Processed}/{Total} items", description, processed, ids.Count);
+            }
+
+            processed++;
+
+            var item = _libraryManager.GetItemById(id);
+            if (item is not null)
+            {
+                items.Add(item);
+            }
+        }
+
+        return items;
+    }
+
+    private int DeleteItems(IReadOnlyCollection<BaseItem> items, string description)
    {
        if (items.Count == 0)
        {
@@ -500,8 +538,16 @@ internal class MigrateLinkedChildren : IDatabaseMigrationRoutine

        var options = new DeleteOptions { DeleteFileLocation = false, DeleteFromExternalProvider = false };
        var deleted = 0;
+        var processed = 0;
        foreach (var item in items)
        {
+            if (processed > 0 && processed % DeleteProgressLogStep == 0)
+            {
+                _logger.LogInformation("Removing {Description}: {Processed}/{Total} items", description, processed, items.Count);
+            }
+
+            processed++;
+
            try
            {
                _libraryManager.DeleteItem(item, options);
@@ -1,5 +1,7 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -15,9 +17,9 @@ using Microsoft.Extensions.Logging;
 namespace Jellyfin.Server.Migrations.Routines;

 /// <summary>
-/// Recomputes the presentation unique key for every series so existing items adopt the folder-set-free key format.
+/// Recomputes the presentation unique key of every series and season so merged series are scoped to their own library.
 /// </summary>
-[JellyfinMigration("2026-07-23T12:00:00", nameof(RecomputeSeriesPresentationKey))]
+[JellyfinMigration("2026-08-21T12:00:00", nameof(RecomputeSeriesPresentationKey))]
 [JellyfinMigrationBackup(JellyfinDb = true)]
 internal class RecomputeSeriesPresentationKey : IAsyncMigrationRoutine
 {
@@ -53,6 +55,7 @@ internal class RecomputeSeriesPresentationKey : IAsyncMigrationRoutine

        const int ProgressInterval = 250;
        var sw = Stopwatch.StartNew();
+        var newSeriesKeys = new Dictionary<Guid, string>();
        var processed = 0;
        var updated = 0;

@@ -68,9 +71,10 @@ internal class RecomputeSeriesPresentationKey : IAsyncMigrationRoutine
                    _logger.LogInformation("Processed {Processed}/{Total} series - Updated: {Updated} - Time: {Elapsed}", processed, series.Length, updated, sw.Elapsed);
                }

-                var oldKey = item.PresentationUniqueKey;
                var newKey = item.CreatePresentationUniqueKey();
-                if (string.Equals(oldKey, newKey, StringComparison.Ordinal))
+                newSeriesKeys[item.Id] = newKey;
+
+                if (string.Equals(item.PresentationUniqueKey, newKey, StringComparison.Ordinal))
                {
                    continue;
                }
@@ -82,21 +86,66 @@ internal class RecomputeSeriesPresentationKey : IAsyncMigrationRoutine
                    .ExecuteUpdateAsync(e => e.SetProperty(f => f.PresentationUniqueKey, newKey), cancellationToken)
                    .ConfigureAwait(false);

-                // Seasons and episodes cache the series key in SeriesPresentationUniqueKey and are matched
-                // to the series by it. Re-point every child still carrying the old key in a single set-based
-                // update so they stay attached without waiting for the next scan.
-                if (!string.IsNullOrEmpty(oldKey))
-                {
-                    await dbContext.BaseItems
-                        .Where(e => e.SeriesPresentationUniqueKey == oldKey)
-                        .ExecuteUpdateAsync(e => e.SetProperty(f => f.SeriesPresentationUniqueKey, newKey), cancellationToken)
-                        .ConfigureAwait(false);
-                }
+                // Seasons and episodes are matched to their series by SeriesPresentationUniqueKey, so
+                // re-point them here instead of waiting for the next scan. Scoped by SeriesId rather than
+                // by the old key: that key can be shared by every library holding the series, so matching
+                // on it would drag the other libraries' children along.
+                await dbContext.BaseItems
+                    .Where(e => e.SeriesId.HasValue && e.SeriesId.Value.Equals(id))
+                    .ExecuteUpdateAsync(e => e.SetProperty(f => f.SeriesPresentationUniqueKey, newKey), cancellationToken)
+                    .ConfigureAwait(false);

                updated++;
            }
+
+            var updatedSeasons = await RecomputeSeasonsAsync(dbContext, newSeriesKeys, cancellationToken).ConfigureAwait(false);
+
+            _logger.LogInformation(
+                "Recomputed presentation unique key for {Updated} of {Count} series and {UpdatedSeasons} seasons in {Elapsed}",
+                updated,
+                series.Length,
+                updatedSeasons,
+                sw.Elapsed);
+        }
+    }
+
+    private async Task<int> RecomputeSeasonsAsync(JellyfinDbContext dbContext, Dictionary<Guid, string> newSeriesKeys, CancellationToken cancellationToken)
+    {
+        // A season's own key embeds its series' key, so it goes stale with it.
+        var seasons = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = [BaseItemKind.Season]
+        }).OfType<Season>().ToArray();
+
+        var updated = 0;
+
+        foreach (var season in seasons)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            // Without an index number the season keeps the base key, which carries no series key at all.
+            if (!season.IndexNumber.HasValue
+                || !newSeriesKeys.TryGetValue(season.SeriesId, out var seriesKey))
+            {
+                continue;
+            }
+
+            // Mirrors Season.CreatePresentationUniqueKey.
+            var newKey = seriesKey + "-" + season.IndexNumber.Value.ToString("000", CultureInfo.InvariantCulture);
+            if (string.Equals(season.PresentationUniqueKey, newKey, StringComparison.Ordinal))
+            {
+                continue;
+            }
+
+            var id = season.Id;
+            await dbContext.BaseItems
+                .Where(e => e.Id.Equals(id))
+                .ExecuteUpdateAsync(e => e.SetProperty(f => f.PresentationUniqueKey, newKey), cancellationToken)
+                .ConfigureAwait(false);
+
+            updated++;
        }

-        _logger.LogInformation("Recomputed presentation unique key for {Updated} of {Count} series in {Elapsed}", updated, series.Length, sw.Elapsed);
+        return updated;
    }
 }
@@ -0,0 +1,334 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Data.Enums;
+using Jellyfin.Database.Implementations;
+using Jellyfin.Database.Implementations.Entities;
+using Jellyfin.Database.Implementations.Enums;
+using Jellyfin.Server.ServerSetupApp;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.IO;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Server.Migrations.Routines;
+
+/// <summary>
+/// Moves the views whose id used to be derived from their localized name onto their name independent id.
+/// </summary>
+[JellyfinMigration("2026-08-25T20:00:00", nameof(ConsolidateLocalizedUserViews))]
+[JellyfinMigrationBackup(JellyfinDb = true)]
+internal class ConsolidateLocalizedUserViews : IAsyncMigrationRoutine
+{
+    private readonly IStartupLogger<ConsolidateLocalizedUserViews> _logger;
+    private readonly ILibraryManager _libraryManager;
+    private readonly IServerConfigurationManager _configurationManager;
+    private readonly IFileSystem _fileSystem;
+    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ConsolidateLocalizedUserViews"/> class.
+    /// </summary>
+    /// <param name="logger">The startup logger.</param>
+    /// <param name="libraryManager">The library manager.</param>
+    /// <param name="configurationManager">The server configuration manager.</param>
+    /// <param name="fileSystem">The file system.</param>
+    /// <param name="dbProvider">The database context factory.</param>
+    public ConsolidateLocalizedUserViews(
+        IStartupLogger<ConsolidateLocalizedUserViews> logger,
+        ILibraryManager libraryManager,
+        IServerConfigurationManager configurationManager,
+        IFileSystem fileSystem,
+        IDbContextFactory<JellyfinDbContext> dbProvider)
+    {
+        _logger = logger;
+        _libraryManager = libraryManager;
+        _configurationManager = configurationManager;
+        _fileSystem = fileSystem;
+        _dbProvider = dbProvider;
+    }
+
+    /// <inheritdoc />
+    public async Task PerformAsync(CancellationToken cancellationToken)
+    {
+        // The Live TV view is the one that hurts: every channel and program is parented to it, so a
+        // translation update or a change of UI culture used to leave them behind under a view nothing
+        // looks up any more.
+        var views = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = [BaseItemKind.UserView]
+        }).OfType<UserView>().Where(view => view.ViewType.HasValue).ToArray();
+
+        if (views.Length == 0)
+        {
+            return;
+        }
+
+        var dbContext = await _dbProvider.CreateDbContextAsync(cancellationToken).ConfigureAwait(false);
+        await using (dbContext.ConfigureAwait(false))
+        {
+            foreach (var group in views.GroupBy(view => view.ViewType!.Value))
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var viewType = group.Key;
+                var folderName = _fileSystem.GetValidFilename(viewType.ToString());
+                var path = Path.Combine(_configurationManager.ApplicationPaths.InternalMetadataPath, "views", folderName);
+
+                // Only the views created for a view type as a whole are named after it. The per user and
+                // per parent ones get a folder of their own, and carry no children to lose. Match on the
+                // folder rather than the whole path so a metadata directory that has since moved still
+                // lines up.
+                var candidates = group
+                    .Where(view => !string.IsNullOrEmpty(view.Path)
+                        && string.Equals(Path.GetFileName(view.Path.TrimEnd(Path.DirectorySeparatorChar)), folderName, StringComparison.OrdinalIgnoreCase))
+                    .ToArray();
+                if (candidates.Length == 0)
+                {
+                    continue;
+                }
+
+                // Mirrors LibraryManager.GetNamedView(name, viewType, sortName).
+                var canonicalId = _libraryManager.GetNewItemId(path + "_namedview_" + viewType.ToString(), typeof(UserView));
+
+                var stale = candidates.Where(view => !view.Id.Equals(canonicalId)).ToArray();
+                if (stale.Length == 0)
+                {
+                    continue;
+                }
+
+                await ConsolidateAsync(dbContext, viewType, path, canonicalId, candidates, stale, cancellationToken).ConfigureAwait(false);
+            }
+        }
+    }
+
+    private async Task ConsolidateAsync(
+        JellyfinDbContext dbContext,
+        CollectionType viewType,
+        string path,
+        Guid canonicalId,
+        IReadOnlyList<UserView> candidates,
+        IReadOnlyList<UserView> stale,
+        CancellationToken cancellationToken)
+    {
+        var staleIds = stale.Select(view => view.Id).ToArray();
+        Guid? newParentId = canonicalId;
+        var sourceId = Guid.Empty;
+
+        if (!candidates.Any(view => view.Id.Equals(canonicalId)))
+        {
+            // Whichever of the old views the items ended up under is the one worth keeping, so give the
+            // canonical id a copy of it.
+            var source = await PickSourceAsync(dbContext, stale, staleIds, cancellationToken).ConfigureAwait(false);
+            sourceId = source.Id;
+
+            _libraryManager.CreateItem(
+                new UserView
+                {
+                    Path = path,
+                    Id = canonicalId,
+                    DateCreated = source.DateCreated,
+                    DateModified = source.DateModified,
+                    Name = source.Name,
+                    ViewType = viewType,
+                    ForcedSortName = source.ForcedSortName
+                },
+                null);
+        }
+
+        var reparented = await dbContext.BaseItems
+            .Where(e => e.ParentId.HasValue)
+            .WhereOneOrMany(staleIds, e => e.ParentId!.Value)
+            .ExecuteUpdateAsync(e => e.SetProperty(f => f.ParentId, newParentId), cancellationToken)
+            .ConfigureAwait(false);
+
+        await dbContext.BaseItems
+            .Where(e => e.TopParentId.HasValue)
+            .WhereOneOrMany(staleIds, e => e.TopParentId!.Value)
+            .ExecuteUpdateAsync(e => e.SetProperty(f => f.TopParentId, newParentId), cancellationToken)
+            .ConfigureAwait(false);
+
+        await MoveAncestorsAsync(dbContext, canonicalId, staleIds, cancellationToken).ConfigureAwait(false);
+        await MoveUserSettingsAsync(dbContext, canonicalId, sourceId, staleIds, cancellationToken).ConfigureAwait(false);
+
+        // Nothing points at them any more, and BaseItems cascades on ParentId, so this has to come last.
+        await dbContext.BaseItems
+            .WhereOneOrMany(staleIds, e => e.Id)
+            .ExecuteDeleteAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        _logger.LogInformation(
+            "Moved {Reparented} items and dropped {Stale} stale {ViewType} views in favour of {CanonicalId}",
+            reparented,
+            staleIds.Length,
+            viewType,
+            canonicalId);
+    }
+
+    private async Task<UserView> PickSourceAsync(
+        JellyfinDbContext dbContext,
+        IReadOnlyList<UserView> stale,
+        IReadOnlyList<Guid> staleIds,
+        CancellationToken cancellationToken)
+    {
+        var childCounts = await dbContext.BaseItems
+            .Where(e => e.ParentId.HasValue)
+            .WhereOneOrMany(staleIds, e => e.ParentId!.Value)
+            .GroupBy(e => e.ParentId!.Value)
+            .Select(g => new { ParentId = g.Key, Count = g.Count() })
+            .ToDictionaryAsync(e => e.ParentId, e => e.Count, cancellationToken)
+            .ConfigureAwait(false);
+
+        return stale
+            .OrderByDescending(view => childCounts.GetValueOrDefault(view.Id))
+            .ThenBy(view => view.DateCreated)
+            .First();
+    }
+
+    private static async Task MoveUserSettingsAsync(
+        JellyfinDbContext dbContext,
+        Guid canonicalId,
+        Guid sourceId,
+        IReadOnlyList<Guid> staleIds,
+        CancellationToken cancellationToken)
+    {
+        // Everything below is keyed by the view's id, and a view holding no children still holds the
+        // ordering it was given and whether it was hidden. Only the view that was promoted can hand
+        // those over - the rest would collide on the one row per user, item and client - so the others
+        // are dropped instead.
+        var dropped = staleIds.Where(id => !id.Equals(sourceId)).ToArray();
+
+        if (!sourceId.Equals(Guid.Empty))
+        {
+            var moved = new[] { sourceId };
+
+            await dbContext.DisplayPreferences
+                .WhereOneOrMany(moved, e => e.ItemId)
+                .ExecuteUpdateAsync(e => e.SetProperty(f => f.ItemId, canonicalId), cancellationToken)
+                .ConfigureAwait(false);
+
+            await dbContext.ItemDisplayPreferences
+                .WhereOneOrMany(moved, e => e.ItemId)
+                .ExecuteUpdateAsync(e => e.SetProperty(f => f.ItemId, canonicalId), cancellationToken)
+                .ConfigureAwait(false);
+
+            await dbContext.CustomItemDisplayPreferences
+                .WhereOneOrMany(moved, e => e.ItemId)
+                .ExecuteUpdateAsync(e => e.SetProperty(f => f.ItemId, canonicalId), cancellationToken)
+                .ConfigureAwait(false);
+        }
+
+        if (dropped.Length > 0)
+        {
+            await dbContext.DisplayPreferences.WhereOneOrMany(dropped, e => e.ItemId).ExecuteDeleteAsync(cancellationToken).ConfigureAwait(false);
+            await dbContext.ItemDisplayPreferences.WhereOneOrMany(dropped, e => e.ItemId).ExecuteDeleteAsync(cancellationToken).ConfigureAwait(false);
+            await dbContext.CustomItemDisplayPreferences.WhereOneOrMany(dropped, e => e.ItemId).ExecuteDeleteAsync(cancellationToken).ConfigureAwait(false);
+        }
+
+        var stale = staleIds.ToHashSet();
+        var preferences = await dbContext.Preferences
+            .Where(e => e.Kind == PreferenceKind.OrderedViews || e.Kind == PreferenceKind.MyMediaExcludes)
+            .ToListAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        var changed = false;
+
+        foreach (var preference in preferences)
+        {
+            var values = preference.Value.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+            var rewritten = new List<string>(values.Length);
+            var seen = new HashSet<Guid>();
+            var touched = false;
+
+            foreach (var value in values)
+            {
+                // Clients write these in both the dashed and the plain form, so compare them parsed.
+                if (!Guid.TryParse(value, out var parsed))
+                {
+                    rewritten.Add(value);
+                    continue;
+                }
+
+                var isStale = stale.Contains(parsed);
+                if (isStale)
+                {
+                    parsed = canonicalId;
+                    touched = true;
+                }
+
+                // The same view can be listed twice once both of its ids point at the same place.
+                if (!seen.Add(parsed))
+                {
+                    continue;
+                }
+
+                rewritten.Add(isStale
+                    ? parsed.ToString(value.Contains('-', StringComparison.Ordinal) ? "D" : "N", CultureInfo.InvariantCulture)
+                    : value);
+            }
+
+            if (!touched)
+            {
+                continue;
+            }
+
+            preference.Value = string.Join(',', rewritten);
+            changed = true;
+        }
+
+        if (changed)
+        {
+            await dbContext.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+        }
+    }
+
+    private static async Task MoveAncestorsAsync(
+        JellyfinDbContext dbContext,
+        Guid canonicalId,
+        IReadOnlyList<Guid> staleIds,
+        CancellationToken cancellationToken)
+    {
+        var items = await dbContext.AncestorIds
+            .WhereOneOrMany(staleIds, e => e.ParentItemId)
+            .Select(e => e.ItemId)
+            .Distinct()
+            .ToListAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        await dbContext.AncestorIds
+            .WhereOneOrMany(staleIds, e => e.ParentItemId)
+            .ExecuteDeleteAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        if (items.Count == 0)
+        {
+            return;
+        }
+
+        // The pair is the primary key, so anything already recorded against the canonical view stays put.
+        var existing = await dbContext.AncestorIds
+            .Where(e => e.ParentItemId.Equals(canonicalId))
+            .Select(e => e.ItemId)
+            .ToListAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        foreach (var itemId in items.Except(existing))
+        {
+            dbContext.AncestorIds.Add(new AncestorId
+            {
+                ItemId = itemId,
+                ParentItemId = canonicalId,
+                Item = null!,
+                ParentItem = null!
+            });
+        }
+
+        await dbContext.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+    }
+}
@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Server.Migrations.Stages;
+using Jellyfin.Server.ServerSetupApp;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Server.Migrations.Routines;
+
+/// <summary>
+/// Enables the local similarity providers on libraries that predate the similar items settings.
+/// </summary>
+[JellyfinMigration("2026-08-31T10:00:00", nameof(EnableLocalSimilarityProviders), Stage = JellyfinMigrationStageTypes.AppInitialisation)]
+internal class EnableLocalSimilarityProviders : IAsyncMigrationRoutine
+{
+    private readonly ILibraryManager _libraryManager;
+    private readonly IProviderManager _providerManager;
+    private readonly ILogger _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="EnableLocalSimilarityProviders"/> class.
+    /// </summary>
+    /// <param name="libraryManager">The library manager.</param>
+    /// <param name="providerManager">The provider manager.</param>
+    /// <param name="startupLogger">The startup logger for Startup UI integration.</param>
+    /// <param name="logger">The logger.</param>
+    public EnableLocalSimilarityProviders(
+        ILibraryManager libraryManager,
+        IProviderManager providerManager,
+        IStartupLogger<EnableLocalSimilarityProviders> startupLogger,
+        ILogger<EnableLocalSimilarityProviders> logger)
+    {
+        _libraryManager = libraryManager;
+        _providerManager = providerManager;
+        _logger = startupLogger.With(logger);
+    }
+
+    /// <inheritdoc />
+    public Task PerformAsync(CancellationToken cancellationToken)
+    {
+        // Libraries created before similar items became configurable have an empty provider list,
+        // which the library editor renders as "everything unchecked" instead of falling back to the
+        // defaults it uses for new libraries. Seed the local providers so they stay enabled.
+        var localProvidersByType = GetLocalProvidersByItemType();
+        if (localProvidersByType.Count == 0)
+        {
+            return Task.CompletedTask;
+        }
+
+        foreach (var virtualFolder in _libraryManager.GetVirtualFolders(false))
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            EnableLocalProviders(virtualFolder, localProvidersByType);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    private void EnableLocalProviders(VirtualFolderInfo virtualFolder, Dictionary<string, string[]> localProvidersByType)
+    {
+        var options = virtualFolder.LibraryOptions;
+        if (options?.TypeOptions is null || options.TypeOptions.Length == 0)
+        {
+            return;
+        }
+
+        // Some virtual folders don't have a proper item id.
+        if (!Guid.TryParse(virtualFolder.ItemId, out var folderId))
+        {
+            return;
+        }
+
+        var collectionFolder = _libraryManager.GetItemById<CollectionFolder>(folderId);
+        if (collectionFolder is null)
+        {
+            _logger.LogWarning("Could not find collection folder for virtual folder '{LibraryName}' with id '{FolderId}'. Skipping.", virtualFolder.Name, folderId);
+            return;
+        }
+
+        var changed = false;
+        foreach (var typeOptions in options.TypeOptions)
+        {
+            changed |= EnableLocalProviders(typeOptions, localProvidersByType, virtualFolder.Name);
+        }
+
+        if (changed)
+        {
+            collectionFolder.UpdateLibraryOptions(options);
+        }
+    }
+
+    private bool EnableLocalProviders(TypeOptions typeOptions, Dictionary<string, string[]> localProvidersByType, string libraryName)
+    {
+        if (typeOptions.Type is null || !localProvidersByType.TryGetValue(typeOptions.Type, out var localProviders))
+        {
+            return false;
+        }
+
+        var enabled = typeOptions.SimilarItemProviders ?? [];
+        var missing = localProviders.Where(name => !enabled.Contains(name, StringComparer.OrdinalIgnoreCase)).ToArray();
+        if (missing.Length == 0)
+        {
+            return false;
+        }
+
+        // Local providers rank ahead of remote ones, and the enabled list doubles as the
+        // priority order when no explicit order was saved.
+        typeOptions.SimilarItemProviders = [.. missing, .. enabled];
+        if (typeOptions.SimilarItemProviderOrder is { Length: > 0 } order)
+        {
+            typeOptions.SimilarItemProviderOrder = [.. missing, .. order];
+        }
+
+        _logger.LogInformation("Enabled local similarity providers {Providers} for '{ItemType}' in library '{LibraryName}'.", missing, typeOptions.Type, libraryName);
+        return true;
+    }
+
+    private Dictionary<string, string[]> GetLocalProvidersByItemType()
+    {
+        var result = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var summary in _providerManager.GetAllMetadataPlugins())
+        {
+            var names = summary.Plugins
+                .Where(p => p.Type == MetadataPluginType.LocalSimilarityProvider)
+                .Select(p => p.Name)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+            if (names.Length > 0)
+            {
+                result[summary.ItemType] = names;
+            }
+        }
+
+        return result;
+    }
+}
@@ -99,6 +99,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jellyfin.Database.Implement
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jellyfin.CodeAnalysis", "src\Jellyfin.CodeAnalysis\Jellyfin.CodeAnalysis.csproj", "{11643D0F-6761-4EF7-AB71-6F9F8DE00714}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Jellyfin.Drawing.Skia.Tests", "tests\Jellyfin.Drawing.Skia.Tests\Jellyfin.Drawing.Skia.Tests.csproj", "{E24A279C-9A37-419A-8F9C-853C11FBE753}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -265,6 +267,10 @@ Global
 		{11643D0F-6761-4EF7-AB71-6F9F8DE00714}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{11643D0F-6761-4EF7-AB71-6F9F8DE00714}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{11643D0F-6761-4EF7-AB71-6F9F8DE00714}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E24A279C-9A37-419A-8F9C-853C11FBE753}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E24A279C-9A37-419A-8F9C-853C11FBE753}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E24A279C-9A37-419A-8F9C-853C11FBE753}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E24A279C-9A37-419A-8F9C-853C11FBE753}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -297,6 +303,7 @@ Global
 		{A5590358-33CC-4B39-BDE7-DC62FEB03C76} = {4C54CE05-69C8-48FA-8785-39F7F6DB1CAD}
 		{8C9F9221-8415-496C-B1F5-E7756F03FA59} = {4C54CE05-69C8-48FA-8785-39F7F6DB1CAD}
 		{11643D0F-6761-4EF7-AB71-6F9F8DE00714} = {C9F0AB5D-F4D7-40C8-A353-3305C86D6D4C}
+		{E24A279C-9A37-419A-8F9C-853C11FBE753} = {FBBB5129-006E-4AD7-BAD5-8B7CA1D10ED6}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {3448830C-EBDC-426C-85CD-7BBB9651A7FE}
@@ -72,6 +72,14 @@ namespace MediaBrowser.Common.Plugins
        /// </summary>
        public bool IsEnabledAndSupported => _supported && Manifest.Status >= PluginStatus.Active;

+        /// <summary>
+        /// Gets or sets a value indicating whether a restart is required for the plugin's state to take effect.
+        /// </summary>
+        /// <remarks>
+        /// Memory only. <see cref="Manifest"/> holds the state that is persisted to disk.
+        /// </remarks>
+        public bool RestartRequired { get; set; }
+
        /// <summary>
        /// Gets a value indicating whether the plugin has a manifest.
        /// </summary>
@@ -108,7 +116,7 @@ namespace MediaBrowser.Common.Plugins
        public PluginInfo GetPluginInfo()
        {
            var inst = Instance?.GetPluginInfo() ?? new PluginInfo(Manifest.Name, Version, Manifest.Description, Manifest.Id, true);
-            inst.Status = Manifest.Status;
+            inst.Status = RestartRequired ? PluginStatus.Restart : Manifest.Status;
            inst.HasImage = !string.IsNullOrEmpty(Manifest.ImagePath) || !string.IsNullOrEmpty(Manifest.ImageResourceName);
            return inst;
        }
@@ -11,7 +11,9 @@ namespace MediaBrowser.Controller.Drawing
            // Determine the output size based on incoming parameters
            var newSize = DrawingUtils.Resize(originalImageSize, options.Width ?? 0, options.Height ?? 0, options.MaxWidth ?? 0, options.MaxHeight ?? 0);
            newSize = DrawingUtils.ResizeFill(newSize, options.FillWidth, options.FillHeight);
-            return newSize;
+
+            // Never encode larger than the source.
+            return DrawingUtils.ScaleDownToFit(newSize, originalImageSize);
        }
    }
 }
@@ -173,10 +173,7 @@ namespace MediaBrowser.Controller.Entities.Audio

        public static string GetPath(string name, bool normalizeName)
        {
-            // Trim the period at the end because windows will have a hard time with that
-            var validName = normalizeName ?
-                FileSystem.GetValidFilename(name).Trim().TrimEnd('.') :
-                name;
+            var validName = normalizeName ? GetItemByNameFolderName(name) : name;

            return System.IO.Path.Combine(ConfigurationManager.ApplicationPaths.ArtistsPath, validName);
        }
--- a/Show More
+++ b/Show More