Possible null reference argument for parameter 'visual' in 'Visual? VisualExtensions.GetVisualParent(Visual visual)'.

Possible null reference argument for parameter 'item' in 'bool ICollection<Visual>.Remove(Visual item)'.

Possible null reference argument for parameter 'item' in 'bool ICollection<Visual>.Remove(Visual item)'.

'Markdown._loader' is obsolete

Non-nullable property 'File' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Cancel synchronously blocks. Await CancelAsync instead. (https://github.com/Microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD103.md)

Possible null reference argument for parameter 'owner' in 'Task<List<string>> StorageProviderHelper.SelectFilesAsync(TopLevel owner, string title, string? startDir, params FilePickerFileType[] filters)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.