Mac Catalyst release notes?

In the process of converting our SwiftUI app to Mac Catalyst, we found that although the app works fine in macOS 13, it is very buggy in macOS 12 (menu does not get refreshed when enable/disable, color palette does not work properly, localized text does not show up in menu, etc).

Is there release notes for Mac Catalyst running on different macOS releases? And how do we disable features that don't work on older OS? Thanks!