That issue with the menu bar not staying visible in Firefox 123.0 on macOS 12.7.3 can be pretty annoying, especially when you're trying to navigate quickly. It often comes down to display settings, full-screen behavior, or even an extension conflict ...
Had a similar issue where the menu bar wouldn’t stay visible and it turned out to be related to fullscreen or auto-hide settings on macOS. Sometimes toggling fullscreen off or pressing Alt/Option can temporarily bring it back, and checking Firefox’s ...