I hit Exit, deleted compatibility.ini, then ran Firefox 102 again, and it works fine.

You simply need to delete compatibility.ini from the profile folder… that’s how it knows it has been downgraded.Īs a test, I just rolled my Firefox from the current 106 back to 102, and of course, when I started Firefox, it gave me the message about the older version and offered the option to create a new profile or exit. I do that kind of thing all the time when I am switching and trying out various versions of Firefox. It’s no longer possible to downgrade Firefox without creating a new profile, so going back from 106 to 102 would be destructive What appears to be clear is that Mozilla’s support for Windows 7 and 8.1 will end in 2023… Firefox users on Windows 7 and 8.1 would be moved to Firefox 102 ESR, the current Extended Support Release branch, and would receive updates until Firefox 102 ESR is moved to Firefox 114 ESR this happens in August 2023. The second option that Mozilla considers extends support until the release of the next Firefox ESR version. The downside would be that Firefox would lose a percentage of its user base over night. This option would remove a lot of headaches regarding testing, development tools and other tasks related to engineering. Some might move to a different browser, depending on whether it continues to be supported on their platform. These users could continue to run the then-unsupported browser, similarly to how Chrome users can do so starting in February 2023.

…Mozilla considers two main options right now:Įnding support in January 2023 would alienate about 15% of the browser’s user base.

Older versions of firefox windows