I have not even been able to open a file. Yesterday was the first time to use Illustrator since the update 9 days ago. "Stability-related fix" did not work for me! I have an iMac Late 2014 on System 10.15.7, 32G RAM.
Restarting the computer has not helped. Please help! Thanks!
Sorry to hear about your experience. I'd recommend following the troubleshooting steps shared on this community post & let us know if they help to improve the performance of the app. Let us know how it goes.