<!-- Program crashing every 3-4 clicks on Mac Big Sur and become unusable (without restarting each time) --> ## Bug Report ### Expected behavior: Program to work as before ### Actual behavior: Crashing every 3-4 clicks ### Detailed steps to reproduce: Use with Big Sur ### Release or development git branch? Please note the release version or commit hash: 2.33 ### Operating system and version (eg: Windows 10, OS X 10.9, OS X 10.11, Ubuntu 16.10): OS X 11.0
