This page contains information about macOS. This a list of pages relating to that operating system that you might find helpful.
Miscellaneous Version Notes
- mac OSX 10.15 (Catalina): removes support for 32 bit programs, Dashboard, and Legacy Airdrop.
- mac OS 11 (Big Sur): issues with external monitors, external boot is no longer supported, and there are some issues with data backup. Comes preloaded on the M1 Silicon Macs.