Not for Catalina Macs: macOS 12.3 beta and macOS 11.6.4 beta

Apple has released the new macOS Monterey 12.3 and macOS Big Sur 11.6.4 betas for developers and anyone else who enjoys trying out operating system betas. However, these come with a warning. Because if you have macOS Catalina 10.15 running on your Mac, iMac, MacBook or other Apple computer, installing and using the named systems could trigger a boot loop. Especially if the volume has FileVault enabled. I have briefly summarized further information on the subject below.

If your Mac runs the operating system macOS 10.15 Catalina incl. FileVault, then you should not create a volume with current 12.3 or 11.6.4 betas. Because when starting Catalina, a boot loop could be triggered.
If your Mac runs the operating system macOS 10.15 Catalina incl. FileVault, then you should not create a volume with current 12.3 or 11.6.4 betas. Because when starting Catalina, a boot loop could be triggered.

Switching APFS volumes from current betas to Catalina results in boot loop

Im Release Note about the macOS 12.3 beta it says: "If your Mac currently has macOS Catalina installed, installing macOS Monterey 12.3 beta or macOS Big Sur 11.6.4 beta on a volume with FileVault enabled might cause a boot loop when attempting to log back into the previous volume. (88163545)So if you install one of these betas on a volume with FileVault and then start the Catalina volume again, the Mac can get into a boot loop. The systems then become unusable. Reinstalling the operating system (wiping the hard drive first) might be a solution, but all data will be lost in the process.

macOS Monterey 12.3 should bring these features

In addition to the warning of a possible boot loop, the release note linked above also provides information about the features that are to be released with the update to macOS 12.3. Details that might be important for developers can be found in the source. Here is just a brief mention of some of the new features:

  • Apple Pay gets a feature for preferred payment networks
  • Authentication via Passkey technology is made possible
  • It supports DualSense Adaptive Trigger Firmware for PS5 controller
  • Problems with iCloud or iCloud+ are fixed
  • Kernel Extensions for Dropbox and Microsoft OneDrive are set
  • And others including Universal Control
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In the Sir Apfelot Blog you will find advice, instructions and reviews on Apple products such as the iPhone, iPad, Apple Watch, AirPods, iMac, Mac Pro, Mac Mini and Mac Studio.