Concentrate on Time Machine backups, scripts, secondary updates, and whether you still have to retain access to 32-bit software. Some hints.
It’s got to be better than Catalina, so why not upgrade when it first comes out? Here are some suggestions to help you make your decision.
A complete guide to the structure and layout of APFS startup disks from High Sierra to Big Sur (Intel), together with tear-out PDF charts.
Looking at what’s involved in updating Big Sur’s new Sealed System Volume shows what’s necessary for successful cloning.
Highlights some potential issues with third-party products running under Big Sur, and on Apple Silicon Macs, from the sealed system volume to mixed architecture tool chains.
Complete listing of freeware available from here, now compatible with macOS 11 Big Sur, and Universal to run native on Intel and Apple Silicon Macs.
A utility for the expert, not a casual user. Can wipe extended attributes, reset file dates, clean your logs, and more.
Makes it easy to write, harvest and analyse Signposts in the log to measure performance. Important fix for Apple Silicon too.
Since we switched to Intel Macs, Mach precision time has ticked away in nanoseconds. That’s won’t be true in Apple Silicon Macs, and could have strange results.
Universal App version of a utility to scrutinise your keychains and help diagnose their problems.