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RelayCommand - RaiseCanExecuteChanged: Changed behavior
After chagning from v3 SP1 to 4, I noticed that the RelayCommand's CanExecute callback was not called anymore. Seems that the new implementation does not anymore use the CommandManager.InvalidateRequerySuggested method, which may be the reason for the changed
I cannot unfortunately post any samples, but just wanted to report that the current implementation may cause issues for people migrating to the latest version.