The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

The type 'object?' cannot be used as type parameter 'TKey' in the generic type or method 'Dictionary<TKey, TValue>'. Nullability of type argument 'object?' doesn't match 'notnull' constraint.

Cannot convert null literal to non-nullable reference type.

'OpenFileDialog' is obsolete: 'Use Window.StorageProvider API or TopLevel.StorageProvider API'

'FileDialogFilter' is obsolete: 'Use Window.StorageProvider API or TopLevel.StorageProvider API'

'SaveFileDialog' is obsolete: 'Use Window.StorageProvider API or TopLevel.StorageProvider API'

'FileDialogFilter' is obsolete: 'Use Window.StorageProvider API or TopLevel.StorageProvider API'

'DataObjectExtensions.GetFileNames(IDataObject)' is obsolete: 'Use GetFiles, this method is supported only on desktop platforms.'