On macOS 15.2, any Mac Catalyst project that does not support portrait iPad orientation will no longer be able to successfully show the contents of any popover controls. This does not appear to be a problem on earlier versions of macOS and it only affects Mac Catalyst builds, not "Designed for iPad" builds.
STEPS TO REPRODUCE
- Create a project that utilizes Mac Catalyst.
- Create a simple button that shows a popover with simple content.
- Remove Portrait as a supported orientation.
- Run the project on macOS 15.2 as a Mac Catalyst build. Note that the content inside the popover is not shown the popover is shown.
- Run the project as Designed for iPad. Note that the popover content shows correctly.