Answers

Is Reunion 12 compatible with macOS Sonoma?

No.

Reports from users and our testing has revealed some compatibility issues with Reunion 12 and Apple’s Sonoma operating system.

Our advice to Reunion 12 users is to either upgrade to Reunion 13 (which runs fine on Sonoma) or simply hold off on upgrading your Mac to Sonoma or Ventura for right now.

Information about Reunion 13 can be found here: New Features in Reunion 13.