Firefox supportforum

I'm running the latest version of Firefox (126.0) on an iMac, OS 14.4.1. Starting a couple days ago, i was no longer to (consistently) minimize Firefox browser windows by double-clicking on the browser window title bar. I'm able to minimize the window INCONSISTENTLY and only very infrequently via double-clicking, but with no obvious pattern. This problem only occurs with Firefox. I have no problem minimizing any other browser or application windows.

My Mac OS settings are always set to "Double-click a window's title bar to minimize."

I can minimize via Command-M, but i prefer to double click. I vaguely remember this occurring on another iMac of mine some years ago, but don't remember if i found a fix, or if it went away on its own.

Thanks for any help! dan carlson Belmont, CA

Whenever I browse the web using Mozilla (Google, Startpage or any other browser) AND Mozilla is set to fullscreen mode I get black bars all around website screen which are not present when Mozilla is set to windowed mode.

I am using: Macbook Air M1 (MacOS Monterey 12.6.6.) and latest Mozilla web browser. I have already tried this solution: "go to about:config in the address bar and try changing the value of full-screen-api.macos-native-full-screen to true" and it did not fix the issue. I am experiencing this for a lot of time now and only on my Macbook which means a specific version of Mozilla cannot be blamed. This happens on ALL websites. Note: I did change about:config quite a lot regarding privacy alterations.

I have always been able to use the Mac setting to Double Click Title Bar to Minimize windows and it's always worked fine with Firefox. Until Sonoma, but with a stipulation.

It will not respond at all to a double click, but ONLY when I have chosen to show the title bar in Firefox. It works fine clicking in the tab plane as long as I have Show title bar turned off. This is a bit bizarre, but it appears a recent update of Firefox no longer works like that in Sonoma. Works fine on a Windows 10 machine and on a Mac running an older OS.

Note that I did do all the proper troubleshooting, reset Firefox, start in safe mode and all to no avail. When Show Title Bar is turned on, double click to minimize simply does not work.