Just installed macOS Catalina 10.15.7 Supplemental Update and now any app that is not native like safari, calendar and etc is taking a lot of time to open.
Machine: Macbook Pro late 2012
MacBook Pro 13″, macOS 10.15
Hi b0telh0,
It seems you're having trouble since updating macOS and we can help.
Try starting to safe mode to see if the behavior continues:
How to use safe mode on your Mac - Apple Support
You might try reinstalling the update:
macOS 10.15.7 Supplemental Update (Combo)
Let us know if that helps.
Thanks for using the Apple Support Communities.
Very slow to open apps after macOS Catalina 10.15.7 Supplemental Update
