The "--output" option isn't supported when building a solution. Specifying a solution-level output path results in all projects copying outputs to the same directory, which can lead to inconsistent builds.

Nullability of reference types in type of 'event EventHandler<Tuple<int, int, LibraryType>> ManualLibrary.LoadingProgress' doesn't match implicitly implemented member 'event EventHandler<Tuple<int, int, LibraryType>>? ILibrary.LoadingProgress'.

Nullability of reference types in type of 'event EventHandler<Tuple<int, int, LibraryType>> XboxLibrary.LoadingProgress' doesn't match implicitly implemented member 'event EventHandler<Tuple<int, int, LibraryType>>? ILibrary.LoadingProgress'.

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.

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.

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.

Non-nullable event 'LoadingProgress' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the event as nullable.

Non-nullable field '_epicPath' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_steamPath' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.