Fix modification checks and make sure to use UTC (#14347)

Emby.Photos/PhotoProvider.cs

@@ -108,7 +108,7 @@ public class PhotoProvider : ICustomMetadataProvider<Photo>, IForcedProvider, IH
                     var dateTaken = image.ImageTag.DateTime;
                     if (dateTaken.HasValue)
                     {
-                        item.DateCreated = dateTaken.Value;
+                        item.DateCreated = dateTaken.Value.ToUniversalTime();
                         item.PremiereDate = dateTaken.Value;
                         item.ProductionYear = dateTaken.Value.Year;
                     }

Emby.Server.Implementations/HttpServer/WebSocketConnection.cs

@@ -57,7 +57,7 @@ namespace Emby.Server.Implementations.HttpServer
             RemoteEndPoint = remoteEndPoint;
 
             _jsonOptions = JsonDefaults.Options;
-            LastActivityDate = DateTime.Now;
+            LastActivityDate = DateTime.UtcNow;
         }
 
         /// <inheritdoc />

Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs

@@ -43,13 +43,11 @@ namespace Emby.Server.Implementations.Images
         protected IImageProcessor ImageProcessor { get; set; }
 
         protected virtual IReadOnlyCollection<ImageType> SupportedImages { get; }
-            = new ImageType[] { ImageType.Primary };
+            = [ImageType.Primary];
 
         /// <inheritdoc />
         public string Name => "Dynamic Image Provider";
 
-        protected virtual int MaxImageAgeDays => 7;
-
         public int Order => 0;
 
         protected virtual bool Supports(BaseItem item) => true;
@@ -292,8 +290,14 @@ namespace Emby.Server.Implementations.Images
 
         protected virtual bool HasChangedByDate(BaseItem item, ItemImageInfo image)
         {
-            var age = DateTime.UtcNow - image.DateModified;
+            var path = image.Path;
-            return age.TotalDays > MaxImageAgeDays;
+            if (!string.IsNullOrEmpty(path))
+            {
+                var modificationDate = FileSystem.GetLastWriteTimeUtc(path);
+                return image.DateModified != modificationDate;
+            }
+
+            return false;
         }
 
         protected string CreateSingleImage(IEnumerable<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType)

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -2050,13 +2050,17 @@ namespace Emby.Server.Implementations.Library
         /// <inheritdoc />
         public async Task UpdateItemsAsync(IReadOnlyList<BaseItem> items, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
         {
-            _itemRepository.SaveItems(items, cancellationToken);
-
             foreach (var item in items)
             {
+                item.DateLastSaved = DateTime.UtcNow;
                 await RunMetadataSavers(item, updateReason).ConfigureAwait(false);
+
+                // Modify again, so saved value is after write time of externally saved metadata
+                item.DateLastSaved = DateTime.UtcNow;
             }
 
+            _itemRepository.SaveItems(items, cancellationToken);
+
             if (ItemUpdated is not null)
             {
                 foreach (var item in items)
@@ -2097,8 +2101,6 @@ namespace Emby.Server.Implementations.Library
                 await ProviderManager.SaveMetadataAsync(item, updateReason).ConfigureAwait(false);
             }
 
-            item.DateLastSaved = DateTime.UtcNow;
-
             await UpdateImagesAsync(item, updateReason >= ItemUpdateType.ImageUpdate).ConfigureAwait(false);
         }
 
@@ -2384,12 +2386,13 @@ namespace Emby.Server.Implementations.Library
                 isNew = true;
             }
 
-            var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
+            var lastRefreshedUtc = item.DateLastRefreshed;
+            var refresh = isNew || DateTime.UtcNow - lastRefreshedUtc >= _viewRefreshInterval;
 
             if (!refresh && !item.DisplayParentId.IsEmpty())
             {
                 var displayParent = GetItemById(item.DisplayParentId);
-                refresh = displayParent is not null && displayParent.DateLastSaved > item.DateLastRefreshed;
+                refresh = displayParent is not null && displayParent.DateLastSaved > lastRefreshedUtc;
             }
 
             if (refresh)
@@ -2447,12 +2450,13 @@ namespace Emby.Server.Implementations.Library
                 isNew = true;
             }
 
-            var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
+            var lastRefreshedUtc = item.DateLastRefreshed;
+            var refresh = isNew || DateTime.UtcNow - lastRefreshedUtc >= _viewRefreshInterval;
 
             if (!refresh && !item.DisplayParentId.IsEmpty())
             {
                 var displayParent = GetItemById(item.DisplayParentId);
-                refresh = displayParent is not null && displayParent.DateLastSaved > item.DateLastRefreshed;
+                refresh = displayParent is not null && displayParent.DateLastSaved > lastRefreshedUtc;
             }
 
             if (refresh)
@@ -2522,12 +2526,13 @@ namespace Emby.Server.Implementations.Library
                 item.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, CancellationToken.None).GetAwaiter().GetResult();
             }
 
-            var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
+            var lastRefreshedUtc = item.DateLastRefreshed;
+            var refresh = isNew || DateTime.UtcNow - lastRefreshedUtc >= _viewRefreshInterval;
 
             if (!refresh && !item.DisplayParentId.IsEmpty())
             {
                 var displayParent = GetItemById(item.DisplayParentId);
-                refresh = displayParent is not null && displayParent.DateLastSaved > item.DateLastRefreshed;
+                refresh = displayParent is not null && displayParent.DateLastSaved > lastRefreshedUtc;
             }
 
             if (refresh)
@@ -2991,13 +2996,12 @@ namespace Emby.Server.Implementations.Library
                     {
                         var path = Person.GetPath(person.Name);
                         var info = Directory.CreateDirectory(path);
-                        var lastWriteTime = info.LastWriteTimeUtc;
                         personEntity = new Person()
                         {
                             Name = person.Name,
                             Id = GetItemByNameId<Person>(path),
                             DateCreated = info.CreationTimeUtc,
-                            DateModified = lastWriteTime,
+                            DateModified = info.LastWriteTimeUtc,
                             Path = path
                         };
 

Emby.Server.Implementations/Library/ResolverHelper.cs

@@ -140,7 +140,7 @@ namespace Emby.Server.Implementations.Library
                 if (fileCreationDate is not null)
                 {
                     var dateCreated = fileCreationDate;
-                    if (dateCreated.Equals(DateTime.MinValue))
+                    if (dateCreated == DateTime.MinValue)
                     {
                         dateCreated = DateTime.UtcNow;
                     }

Emby.Server.Implementations/Plugins/PluginManager.cs

@@ -423,7 +423,7 @@ namespace Emby.Server.Implementations.Plugins
                 Overview = packageInfo.Overview,
                 Owner = packageInfo.Owner,
                 TargetAbi = versionInfo.TargetAbi ?? string.Empty,
-                Timestamp = string.IsNullOrEmpty(versionInfo.Timestamp) ? DateTime.MinValue : DateTime.Parse(versionInfo.Timestamp, CultureInfo.InvariantCulture),
+                Timestamp = string.IsNullOrEmpty(versionInfo.Timestamp) ? DateTime.MinValue : DateTime.Parse(versionInfo.Timestamp, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal),
                 Version = versionInfo.Version,
                 Status = status == PluginStatus.Disabled ? PluginStatus.Disabled : PluginStatus.Active, // Keep disabled state.
                 AutoUpdate = true,

Emby.Server.Implementations/Sorting/StartDateComparer.cs

@@ -5,7 +5,6 @@ using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.LiveTv;
 using MediaBrowser.Controller.Sorting;
-using MediaBrowser.Model.Querying;
 
 namespace Emby.Server.Implementations.Sorting
 {

Jellyfin.Server.Implementations/Item/BaseItemRepository.cs

@@ -540,7 +540,7 @@ public sealed class BaseItemRepository
         }
 
         var itemValueMaps = tuples
-            .Select(e => (Item: e.Item, Values: GetItemValuesToSave(e.Item, e.InheritedTags)))
+            .Select(e => (e.Item, Values: GetItemValuesToSave(e.Item, e.InheritedTags)))
             .ToArray();
         var allListedItemValues = itemValueMaps
             .SelectMany(f => f.Values)
@@ -567,7 +567,7 @@ public sealed class BaseItemRepository
 
         var itemValuesStore = existingValues.Concat(missingItemValues).ToArray();
         var valueMap = itemValueMaps
-            .Select(f => (Item: f.Item, Values: f.Values.Select(e => itemValuesStore.First(g => g.Value == e.Value && g.Type == e.MagicNumber)).ToArray()))
+            .Select(f => (f.Item, Values: f.Values.Select(e => itemValuesStore.First(g => g.Value == e.Value && g.Type == e.MagicNumber)).ToArray()))
             .ToArray();
 
         var mappedValues = context.ItemValuesMap.Where(e => ids.Contains(e.ItemId)).ToList();
@@ -702,11 +702,11 @@ public sealed class BaseItemRepository
         dto.ExternalId = entity.ExternalId;
         dto.Size = entity.Size;
         dto.Genres = string.IsNullOrWhiteSpace(entity.Genres) ? [] : entity.Genres.Split('|');
-        dto.DateCreated = entity.DateCreated.GetValueOrDefault();
+        dto.DateCreated = entity.DateCreated ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc);
-        dto.DateModified = entity.DateModified.GetValueOrDefault();
+        dto.DateModified = entity.DateModified ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc);
         dto.ChannelId = entity.ChannelId ?? Guid.Empty;
-        dto.DateLastRefreshed = entity.DateLastRefreshed.GetValueOrDefault();
+        dto.DateLastRefreshed = entity.DateLastRefreshed ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc);
-        dto.DateLastSaved = entity.DateLastSaved.GetValueOrDefault();
+        dto.DateLastSaved = entity.DateLastSaved ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc);
         dto.OwnerId = string.IsNullOrWhiteSpace(entity.OwnerId) ? Guid.Empty : (Guid.TryParse(entity.OwnerId, out var ownerId) ? ownerId : Guid.Empty);
         dto.Width = entity.Width.GetValueOrDefault();
         dto.Height = entity.Height.GetValueOrDefault();
@@ -807,7 +807,7 @@ public sealed class BaseItemRepository
 
         if (dto is Folder folder)
         {
-            folder.DateLastMediaAdded = entity.DateLastMediaAdded;
+            folder.DateLastMediaAdded = entity.DateLastMediaAdded ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc);
         }
 
         return dto;
@@ -867,11 +867,11 @@ public sealed class BaseItemRepository
         entity.ExternalId = dto.ExternalId;
         entity.Size = dto.Size;
         entity.Genres = string.Join('|', dto.Genres);
-        entity.DateCreated = dto.DateCreated;
+        entity.DateCreated = dto.DateCreated == DateTime.MinValue ? null : dto.DateCreated;
-        entity.DateModified = dto.DateModified;
+        entity.DateModified = dto.DateModified == DateTime.MinValue ? null : dto.DateModified;
         entity.ChannelId = dto.ChannelId;
-        entity.DateLastRefreshed = dto.DateLastRefreshed;
+        entity.DateLastRefreshed = dto.DateLastRefreshed == DateTime.MinValue ? null : dto.DateLastRefreshed;
-        entity.DateLastSaved = dto.DateLastSaved;
+        entity.DateLastSaved = dto.DateLastSaved == DateTime.MinValue ? null : dto.DateLastSaved;
         entity.OwnerId = dto.OwnerId.ToString();
         entity.Width = dto.Width;
         entity.Height = dto.Height;
@@ -981,7 +981,7 @@ public sealed class BaseItemRepository
 
         if (dto is Folder folder)
         {
-            entity.DateLastMediaAdded = folder.DateLastMediaAdded;
+            entity.DateLastMediaAdded = folder.DateLastMediaAdded == DateTime.MinValue ? null : folder.DateLastMediaAdded;
             entity.IsFolder = folder.IsFolder;
         }
 
@@ -1302,7 +1302,7 @@ public sealed class BaseItemRepository
         {
             Path = appHost?.ExpandVirtualPath(e.Path) ?? e.Path,
             BlurHash = e.Blurhash is null ? null : Encoding.UTF8.GetString(e.Blurhash),
-            DateModified = e.DateModified,
+            DateModified = e.DateModified ?? DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc),
             Height = e.Height,
             Width = e.Width,
             Type = (ImageType)e.ImageType

Jellyfin.Server/Migrations/Routines/FixDates.cs

@@ -0,0 +1,168 @@
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Database.Implementations;
+using Jellyfin.Server.ServerSetupApp;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Server.Migrations.Routines;
+
+/// <summary>
+/// Migration to fix dates saved in the database to always be UTC.
+/// </summary>
+[JellyfinMigration("2025-06-20T18:00:00", nameof(FixDates))]
+public class FixDates : IAsyncMigrationRoutine
+{
+    private const int PageSize = 5000;
+
+    private readonly ILogger _logger;
+    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="FixDates"/> class.
+    /// </summary>
+    /// <param name="logger">The logger.</param>
+    /// <param name="startupLogger">The startup logger for Startup UI integration.</param>
+    /// <param name="dbProvider">Instance of the <see cref="IDbContextFactory{JellyfinDbContext}"/> interface.</param>
+    public FixDates(
+        ILogger<FixDates> logger,
+        IStartupLogger<FixDates> startupLogger,
+        IDbContextFactory<JellyfinDbContext> dbProvider)
+    {
+        _logger = startupLogger.With(logger);
+        _dbProvider = dbProvider;
+    }
+
+    /// <inheritdoc />
+    public async Task PerformAsync(CancellationToken cancellationToken)
+    {
+        if (!TimeZoneInfo.Local.Equals(TimeZoneInfo.Utc))
+        {
+            using var context = await _dbProvider.CreateDbContextAsync(cancellationToken).ConfigureAwait(false);
+            var sw = Stopwatch.StartNew();
+
+            await FixBaseItemsAsync(context, sw, cancellationToken).ConfigureAwait(false);
+            sw.Reset();
+            await FixChaptersAsync(context, sw, cancellationToken).ConfigureAwait(false);
+            sw.Reset();
+            await FixBaseItemImageInfos(context, sw, cancellationToken).ConfigureAwait(false);
+        }
+    }
+
+    private async Task FixBaseItemsAsync(JellyfinDbContext context, Stopwatch sw, CancellationToken cancellationToken)
+    {
+        int itemCount = 0;
+
+        var baseQuery = context.BaseItems.OrderBy(e => e.Id);
+        var records = baseQuery.Count();
+        _logger.LogInformation("Fixing dates for {Count} BaseItems.", records);
+
+        sw.Start();
+        await foreach (var result in context.BaseItems.OrderBy(e => e.Id)
+                        .WithPartitionProgress(
+                            (partition) =>
+                                _logger.LogInformation(
+                                    "Processing BaseItems batch {BatchNumber} ({ProcessedSoFar}/{TotalRecords}) - Time: {ElapsedTime}",
+                                    partition + 1,
+                                    Math.Min((partition + 1) * PageSize, records),
+                                    records,
+                                    sw.Elapsed))
+                        .PartitionEagerAsync(PageSize, cancellationToken)
+                        .WithCancellation(cancellationToken)
+                        .ConfigureAwait(false))
+        {
+            result.DateCreated = ToUniversalTime(result.DateCreated);
+            result.DateLastMediaAdded = ToUniversalTime(result.DateLastMediaAdded);
+            result.DateLastRefreshed = ToUniversalTime(result.DateLastRefreshed);
+            result.DateLastSaved = ToUniversalTime(result.DateLastSaved);
+            result.DateModified = ToUniversalTime(result.DateModified);
+            itemCount++;
+        }
+
+        var saveCount = await context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+        _logger.LogInformation("BaseItems: Processed {ItemCount} items, saved {SaveCount} changes in {ElapsedTime}", itemCount, saveCount, sw.Elapsed);
+    }
+
+    private async Task FixChaptersAsync(JellyfinDbContext context, Stopwatch sw, CancellationToken cancellationToken)
+    {
+        int itemCount = 0;
+
+        var baseQuery = context.Chapters;
+        var records = baseQuery.Count();
+        _logger.LogInformation("Fixing dates for {Count} Chapters.", records);
+
+        sw.Start();
+        await foreach (var result in context.Chapters.OrderBy(e => e.ItemId)
+                        .WithPartitionProgress(
+                            (partition) =>
+                                _logger.LogInformation(
+                                    "Processing Chapter batch {BatchNumber} ({ProcessedSoFar}/{TotalRecords}) - Time: {ElapsedTime}",
+                                    partition + 1,
+                                    Math.Min((partition + 1) * PageSize, records),
+                                    records,
+                                    sw.Elapsed))
+                        .PartitionEagerAsync(PageSize, cancellationToken)
+                        .WithCancellation(cancellationToken)
+                        .ConfigureAwait(false))
+        {
+            result.ImageDateModified = ToUniversalTime(result.ImageDateModified, true);
+            itemCount++;
+        }
+
+        var saveCount = await context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+        _logger.LogInformation("Chapters: Processed {ItemCount} items, saved {SaveCount} changes in {ElapsedTime}", itemCount, saveCount, sw.Elapsed);
+    }
+
+    private async Task FixBaseItemImageInfos(JellyfinDbContext context, Stopwatch sw, CancellationToken cancellationToken)
+    {
+        int itemCount = 0;
+
+        var baseQuery = context.BaseItemImageInfos;
+        var records = baseQuery.Count();
+        _logger.LogInformation("Fixing dates for {Count} BaseItemImageInfos.", records);
+
+        sw.Start();
+        await foreach (var result in context.BaseItemImageInfos.OrderBy(e => e.Id)
+                        .WithPartitionProgress(
+                            (partition) =>
+                                _logger.LogInformation(
+                                    "Processing BaseItemImageInfos batch {BatchNumber} ({ProcessedSoFar}/{TotalRecords}) - Time: {ElapsedTime}",
+                                    partition + 1,
+                                    Math.Min((partition + 1) * PageSize, records),
+                                    records,
+                                    sw.Elapsed))
+                        .PartitionEagerAsync(PageSize, cancellationToken)
+                        .WithCancellation(cancellationToken)
+                        .ConfigureAwait(false))
+        {
+            result.DateModified = ToUniversalTime(result.DateModified);
+            itemCount++;
+        }
+
+        var saveCount = await context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+        _logger.LogInformation("BaseItemImageInfos: Processed {ItemCount} items, saved {SaveCount} changes in {ElapsedTime}", itemCount, saveCount, sw.Elapsed);
+    }
+
+    private DateTime? ToUniversalTime(DateTime? dateTime, bool isUTC = false)
+    {
+        if (dateTime is null)
+        {
+            return null;
+        }
+
+        if (dateTime.Value.Year == 1 && dateTime.Value.Month == 1 && dateTime.Value.Day == 1)
+        {
+            return null;
+        }
+
+        if (dateTime.Value.Kind == DateTimeKind.Utc || isUTC)
+        {
+            return dateTime.Value;
+        }
+
+        return dateTime.Value.ToUniversalTime();
+    }
+}

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -1423,23 +1423,16 @@ namespace MediaBrowser.Controller.Entities
 
         public virtual bool RequiresRefresh()
         {
-            if (string.IsNullOrEmpty(Path) || DateModified == default)
+            if (string.IsNullOrEmpty(Path) || DateModified == DateTime.MinValue)
             {
                 return false;
             }
 
             var info = FileSystem.GetFileSystemInfo(Path);
-            if (info.Exists)
-            {
-                if (info.IsDirectory)
-                {
-                    return info.LastWriteTimeUtc != DateModified;
-                }
 
-                return info.LastWriteTimeUtc != DateModified;
+            return info.Exists
-            }
+                ? info.LastWriteTimeUtc != DateModified
-
+                : false;
-            return false;
         }
 
         public virtual List<string> GetUserDataKeys()

MediaBrowser.LocalMetadata/Savers/BaseXmlSaver.cs

@@ -235,11 +235,11 @@ namespace MediaBrowser.LocalMetadata.Savers
             {
                 if (item is Person)
                 {
-                    await writer.WriteElementStringAsync(null, "DeathDate", null, item.EndDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
+                    await writer.WriteElementStringAsync(null, "DeathDate", null, item.EndDate.Value.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
                 }
                 else if (item is not Episode)
                 {
-                    await writer.WriteElementStringAsync(null, "EndDate", null, item.EndDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
+                    await writer.WriteElementStringAsync(null, "EndDate", null, item.EndDate.Value.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
                 }
             }
 

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -73,11 +73,11 @@ namespace MediaBrowser.Providers.Manager
 
         public virtual int Order => 0;
 
-        private FileSystemMetadata TryGetFile(string path, IDirectoryService directoryService)
+        private FileSystemMetadata TryGetFileSystemMetadata(string path, IDirectoryService directoryService)
         {
             try
             {
-                return directoryService.GetFile(path);
+                return directoryService.GetFileSystemEntry(path);
             }
             catch (Exception ex)
             {
@@ -92,7 +92,7 @@ namespace MediaBrowser.Providers.Manager
             var updateType = ItemUpdateType.None;
 
             var libraryOptions = LibraryManager.GetLibraryOptions(item);
-            var isFirstRefresh = item.DateLastRefreshed.Date == DateTime.MinValue.Date;
+            var isFirstRefresh = item.DateLastRefreshed == DateTime.MinValue;
             var hasRefreshedMetadata = true;
             var hasRefreshedImages = true;
 
@@ -225,7 +225,7 @@ namespace MediaBrowser.Providers.Manager
                 {
                     if (item.IsFileProtocol)
                     {
-                        var file = TryGetFile(item.Path, refreshOptions.DirectoryService);
+                        var file = TryGetFileSystemMetadata(item.Path, refreshOptions.DirectoryService);
                         if (file is not null)
                         {
                             item.DateModified = file.LastWriteTimeUtc;
@@ -1180,12 +1180,12 @@ namespace MediaBrowser.Providers.Manager
                     target.LockedFields = target.LockedFields.Concat(source.LockedFields).Distinct().ToArray();
                 }
 
-                if (source.DateCreated != default)
+                if (source.DateCreated != DateTime.MinValue)
                 {
                     target.DateCreated = source.DateCreated;
                 }
 
-                if (replaceData || source.DateModified != default)
+                if (replaceData || source.DateModified != DateTime.MinValue)
                 {
                     target.DateModified = source.DateModified;
                 }

MediaBrowser.Providers/Manager/ProviderManager.cs

@@ -669,8 +669,13 @@ namespace MediaBrowser.Providers.Manager
         private async Task SaveMetadataAsync(BaseItem item, ItemUpdateType updateType, IEnumerable<IMetadataSaver> savers)
         {
             var libraryOptions = _libraryManager.GetLibraryOptions(item);
+            var applicableSavers = savers.Where(i => IsSaverEnabledForItem(i, item, libraryOptions, updateType, false)).ToList();
+            if (applicableSavers.Count == 0)
+            {
+                return;
+            }
 
-            foreach (var saver in savers.Where(i => IsSaverEnabledForItem(i, item, libraryOptions, updateType, false)))
+            foreach (var saver in applicableSavers)
             {
                 _logger.LogDebug("Saving {Item} to {Saver}", item.Path ?? item.Name, saver.Name);
 
@@ -714,6 +719,8 @@ namespace MediaBrowser.Providers.Manager
                     }
                 }
             }
+
+            _libraryManager.CreateItem(item, null);
         }
 
         /// <summary>

MediaBrowser.XbmcMetadata/Providers/BaseNfoProvider.cs

@@ -1,5 +1,6 @@
 #pragma warning disable CS1591
 
+using System;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;

src/Jellyfin.Database/Jellyfin.Database.Implementations/Entities/BaseItemImageInfo.cs

@@ -22,7 +22,7 @@ public class BaseItemImageInfo
     /// <summary>
     /// Gets or Sets the time the image was last modified.
     /// </summary>
-    public DateTime DateModified { get; set; }
+    public DateTime? DateModified { get; set; }
 
     /// <summary>
     /// Gets or Sets the imagetype.

src/Jellyfin.Database/Jellyfin.Database.Implementations/QueryPartitionHelpers.cs

@@ -82,7 +82,7 @@ public static class QueryPartitionHelpers
     /// <typeparam name="TEntity">The entity to load.</typeparam>
     /// <param name="partitionInfo">The source query.</param>
     /// <param name="partitionSize">The number of elements to load per partition.</param>
-    /// <param name="cancellationToken">The cancelation token.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>A enumerable representing the whole of the query.</returns>
     public static async IAsyncEnumerable<TEntity> PartitionAsync<TEntity>(this ProgressablePartitionReporting<TEntity> partitionInfo, int partitionSize, [EnumeratorCancellation] CancellationToken cancellationToken = default)
     {
@@ -98,7 +98,7 @@ public static class QueryPartitionHelpers
     /// <typeparam name="TEntity">The entity to load.</typeparam>
     /// <param name="partitionInfo">The source query.</param>
     /// <param name="partitionSize">The number of elements to load per partition.</param>
-    /// <param name="cancellationToken">The cancelation token.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>A enumerable representing the whole of the query.</returns>
     public static async IAsyncEnumerable<TEntity> PartitionEagerAsync<TEntity>(this ProgressablePartitionReporting<TEntity> partitionInfo, int partitionSize, [EnumeratorCancellation] CancellationToken cancellationToken = default)
     {
@@ -115,7 +115,7 @@ public static class QueryPartitionHelpers
     /// <param name="query">The source query.</param>
     /// <param name="partitionSize">The number of elements to load per partition.</param>
     /// <param name="progressablePartition">Reporting helper.</param>
-    /// <param name="cancellationToken">The cancelation token.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>A enumerable representing the whole of the query.</returns>
     public static async IAsyncEnumerable<TEntity> PartitionAsync<TEntity>(
         this IOrderedQueryable<TEntity> query,
@@ -154,7 +154,7 @@ public static class QueryPartitionHelpers
     /// <param name="query">The source query.</param>
     /// <param name="partitionSize">The number of elements to load per partition.</param>
     /// <param name="progressablePartition">Reporting helper.</param>
-    /// <param name="cancellationToken">The cancelation token.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>A enumerable representing the whole of the query.</returns>
     public static async IAsyncEnumerable<TEntity> PartitionEagerAsync<TEntity>(
         this IOrderedQueryable<TEntity> query,

src/Jellyfin.Database/Jellyfin.Database.Providers.Sqlite/Migrations/20250622170802_BaseItemImageInfoDateModifiedNullable.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jellyfin.Server.Implementations.Migrations
+{
+    /// <inheritdoc />
+    public partial class BaseItemImageInfoDateModifiedNullable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateModified",
+                table: "BaseItemImageInfos",
+                type: "TEXT",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "TEXT");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateModified",
+                table: "BaseItemImageInfos",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "TEXT",
+                oldNullable: true);
+        }
+    }
+}

src/Jellyfin.Database/Jellyfin.Database.Providers.Sqlite/Migrations/JellyfinDbModelSnapshot.cs

@@ -418,7 +418,7 @@ namespace Jellyfin.Server.Implementations.Migrations
                     b.Property<byte[]>("Blurhash")
                         .HasColumnType("BLOB");
 
-                    b.Property<DateTime>("DateModified")
+                    b.Property<DateTime?>("DateModified")
                         .HasColumnType("TEXT");
 
                     b.Property<int>("Height")

src/Jellyfin.LiveTv/Channels/ChannelManager.cs

@@ -1166,7 +1166,7 @@ namespace Jellyfin.LiveTv.Channels
                 }
             }
 
-            if (isNew || forceUpdate || item.DateLastRefreshed == default)
+            if (isNew || forceUpdate || item.DateLastRefreshed == DateTime.MinValue)
             {
                 _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), RefreshPriority.Normal);
             }

tests/Jellyfin.Providers.Tests/Manager/MetadataServiceTests.cs

@@ -22,7 +22,7 @@ namespace Jellyfin.Providers.Tests.Manager
         {
             var newLocked = new[] { MetadataField.Genres, MetadataField.Cast };
             var newString = "new";
-            var newDate = DateTime.Now;
+            var newDate = DateTime.UtcNow;
 
             var oldLocked = new[] { MetadataField.Genres };
             var oldString = "old";
@@ -39,6 +39,7 @@ namespace Jellyfin.Providers.Tests.Manager
                     DateCreated = newDate
                 }
             };
+
             if (defaultDate)
             {
                 source.Item.DateCreated = default;
@@ -141,8 +142,8 @@ namespace Jellyfin.Providers.Tests.Manager
                 { "ProductionYear", 1, 2 },
                 { "CommunityRating", 1.0f, 2.0f },
                 { "CriticRating", 1.0f, 2.0f },
-                { "EndDate", DateTime.UnixEpoch, DateTime.Now },
+                { "EndDate", DateTime.UnixEpoch, DateTime.UtcNow },
-                { "PremiereDate", DateTime.UnixEpoch, DateTime.Now },
+                { "PremiereDate", DateTime.UnixEpoch, DateTime.UtcNow },
                 { "Video3DFormat", Video3DFormat.HalfSideBySide, Video3DFormat.FullSideBySide }
             };
 

tests/Jellyfin.Server.Implementations.Tests/Plugins/PluginManagerTests.cs

@@ -185,7 +185,7 @@ namespace Jellyfin.Server.Implementations.Tests.Plugins
                 Description = packageInfo.Description,
                 Overview = packageInfo.Overview,
                 TargetAbi = packageInfo.Versions[0].TargetAbi!,
-                Timestamp = DateTime.Parse(packageInfo.Versions[0].Timestamp!, CultureInfo.InvariantCulture),
+                Timestamp = DateTimeOffset.Parse(packageInfo.Versions[0].Timestamp!, CultureInfo.InvariantCulture).UtcDateTime,
                 Changelog = packageInfo.Versions[0].Changelog!,
                 Version = new Version(1, 0).ToString(),
                 ImagePath = string.Empty
@@ -221,7 +221,7 @@ namespace Jellyfin.Server.Implementations.Tests.Plugins
                 Description = packageInfo.Description,
                 Overview = packageInfo.Overview,
                 TargetAbi = packageInfo.Versions[0].TargetAbi!,
-                Timestamp = DateTime.Parse(packageInfo.Versions[0].Timestamp!, CultureInfo.InvariantCulture),
+                Timestamp = DateTimeOffset.Parse(packageInfo.Versions[0].Timestamp!, CultureInfo.InvariantCulture).UtcDateTime,
                 Changelog = packageInfo.Versions[0].Changelog!,
                 Version = packageInfo.Versions[0].Version,
                 ImagePath = string.Empty