#5529 Fix copying when 'select all audio if selection required' is enabled. #5539 Show all sample rates possible for MP2 exports. #5533 Fix files being exported without a file extension in rare cases. #5106 Fix clicks occurring when overdubbing a project with muted tracks. #5571 Fix clips shifting to the right when effects are applied to them. #5549 Mix and render now also resets the gain for the resulting track. This can be changed via Preferences -> Track Behavior -> Always paste audio as new clips. #5555 Copy-pasting now pastes into audio again by default. #5032 When exporting a file, the sample rate of the tracks is now considered, and last-used sample rate is remembered. #5568 Fix a crash when opening projects with zero-length clips.