v6.61rc2 - June 15 2022
* Includes feature branch: various drawing integer overflow fixes with non-sensical values [t=267310]
+ FX: ensure FX parameter modulation/linking are preserved after undo when loading FX chains [t=267697]
+ macOS: fix potential deadlock when using AVFoundation decoding on a track that does not use media buffering [t=267563]
# macOS: improve AVFoundation deadlock fix for another corner case
# macOS: re-fix AVFoundation deadlock issue