This release is from wangqr/Aegisub fork, which is based on r8942 of the original Aegisub.
This is a bugfix release after v3.3.1. No new features included.
Changes after v3.3.1:
* Show a notice when we reach 32bit memory limit instead of crash.
* Fix OpenGL color depth issue with some GPU drivers
* Use XAudio2redist to better support Windows 7
* Fix multiple issues with 3.3.1 macOS build
* Fix eyedropper not working
* Fix alt-drag behavior in audio window
* Fix saving audio clip with float samples
* Delete temporary files on close on Windows