If you haven't already upgraded to Apple' latest OS, you may be wondering if you should do so now. The following article discusses this question, and is worth a read if you're considering upgrading:
https://tidbits.com/2021/03/10/is-it-safe-to-upgrade-to-macos-11-big-sur/
I've been on it since it was first available, and like it fine. No particular issues that I recall.
Jim Hamm