#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.
