The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

Nullability of reference types in type of parameter 'importParams' of 'IAsyncEnumerable<ProcessedImage> FileImporter.Import(string filePath, ImportParams importParams, ProgressHandler progress = default(ProgressHandler))' doesn't match implicitly implemented member 'IAsyncEnumerable<ProcessedImage> IFileImporter.Import(string filePath, ImportParams? importParams = null, ProgressHandler progress = default(ProgressHandler))' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'importParams' of 'IAsyncEnumerable<ProcessedImage> FileImporter.Import(string filePath, ImportParams importParams, ProgressHandler progress = default(ProgressHandler))' doesn't match implicitly implemented member 'IAsyncEnumerable<ProcessedImage> IFileImporter.Import(string filePath, ImportParams? importParams = null, ProgressHandler progress = default(ProgressHandler))' (possibly because of nullability attributes).

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

Cannot convert null literal to non-nullable reference type.

Possible null reference assignment.

Cannot convert null literal to non-nullable reference type.

The event 'StubDarkModeProvider.DarkModeChanged' is never used

Cannot convert null literal to non-nullable reference type.

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

ProjectReference 'D:\a\naps2\naps2\NAPS2.Images.Wpf\NAPS2.Images.Wpf.csproj' was resolved using '.NETFramework,Version=v4.6.2' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

Dereference of a possibly null reference.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Dereference of a possibly null reference.

This call site is reachable on: 'macOS/OSX' 10.15 and later. 'UTType.TIFF' is obsoleted on: 'macOS/OSX' 11.0 and later (Use the 'UniformTypeIdentifiers.UTType' API instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)

This call site is reachable on: 'macOS/OSX' 10.15 and later. 'UTType.TIFF' is obsoleted on: 'macOS/OSX' 11.0 and later (Use the 'UniformTypeIdentifiers.UTType' API instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)