Yes, exactly the same performance issue. I have an iMac 27" Late 2017, and the boot went smoothly UNTIL I upgraded to Big Sur. Big Sur has made my computer boot extremely slow. Apps also take lots of time to load.
alejandrosejas
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for