They were created before https://github.com/LMMS/lmms/pull/3326 and added after it.
* Don't let plugins make the main window transparent * Don't clear WS_EX_LAYERED if it was already set
- Double-click mmpz file in finder will now open properly on macOS - Adds new MainApplication class for listening to QEvent::FileOpenEvent - Queues open events until the application is ready to recieve them - Closes #665
