Warning: Update to macOS Monterey breaks older Macs

Some Intel Macs from 2018 and 2019 no longer boot when updating to macOS Monterey. Partly, hardware has to be exchanged.


second trouble with USB-C-Hubs:

third: Memory Leak

macOS Server goes on strike under Monterey

Apple has not yet managed to adapt the Server app to macOS 12. It is unclear when the update will arrive.