Saturday, September 19, 2020

TenFourFox FPR27 available

TenFourFox Feature Parity Release 27 final is now available for testing (downloads, hashes, release notes). Unfortunately, I have thus far been unable to solve issue 621 regarding the crashes on LinkedIn, so to avoid drive-by crashes, scripts are now globally disabled on LinkedIn until I can (no loss since it doesn't work anyway). If you need them on for some reason, create a pref tenfourfox.troublesome-js.allow and set it to true. I will keep working on this for FPR28 to see if I can at least come up with a better wallpaper, though keep in mind that even if I repair the crash it may still not actually work anyway. There are otherwise no new changes since the beta except for outstanding security updates, and it will go live Monday evening Pacific assuming no new issues.

For our struggling Intel friends, if you are using Firefox on 10.9 through 10.11 Firefox ESR 78 is officially your last port of call, and support for these versions of the operating system will end by July 2021 when support for 78ESR does. The Intel version of TenFourFox may run on these machines, though it will be rather less advanced, and of course there is no official support for any Intel build of TenFourFox.


  1. [ChrisT] Tiktok has been in the news a lot recently for reasons we don't really understand here in Europe. People who would like to explore what that Tiktok thing is seem to have bad luck with TenFourFox. loads a bunch of third-party scripts which more or less lock up the browser if you let them continue, but which seem to be necessary for Tiktok to work.

  2. The Firefox Legacy site supports 10.7, 10.8: would it be possible for you guys to link up with him to maintain Feature Parity releases for other Intel versions, and start prepping to support basically every OS from 10.4 to 10.11 starting in 2021?

    Like... a collaborative effort.

    Maybe even bring in the folks working on the OS X Pale Moon / New Moon port?

    I mean a collaborative effort would probably have to be called something like Firefox Legacy and TenFourFox; given the restrictions around the Firefox name... but there is (from my avg user perspective) hopefully a lot of benefit everyone can get from a unified-ish project!

    It seems like there is a lot of talent working to keep legacy Mac OS X systems alive and kicking; so hopefully everyone can work together to figure out a plan of attack!!! xD

    1. Although I appreciate the hard work of the Firefox Legacy project (and our resident Intel porters, who are overworked and underappreciated), I'll just candidly say that I personally don't have any utility for maintaining a legacy Intel Firefox build myself because my only running (and probably last) Intel Mac runs 10.14. Firefox Legacy is based on a very different code base than TenFourFox, so there wouldn't be a great deal in common and it would have most if not all of the same issues that caused me not to try to port Fx52; Pale Moon likewise, as well as other reasons specific to that project that I won't explain in the interest of not airing dirty laundry. But I do appreciate the enthusiasm.


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