An error occurred while saving the commentBrittnell Anderson commented
I'm seeing the same thing, but without the improvement to preview speed 🙄
I have to force-close the program in order to get it to stop.
Example video here: https://youtu.be/p5FXAPhdg5E
and Support Community post here: https://community.adobe.com/t5/After-Effects/After-Effects-2020-Preview-locks-up-program/td-p/10723016Brittnell Anderson supported this idea ·