Any Mac that can be upgraded to 10.8.5 can be upgraded to 10.11.6ġ0.10.5 Yosemite - Omniweb, Firefox (July 2021 last Security update), Waterfox, iCabġ0.9.5 Mavericks - Omniweb, Firefox (July 2021 last Security update), Waterfox, iCabġ0.8.5 Mountain Lion - Omniweb, Arctic Fox, Waterfox, iCab, Spiderweb, Snow Monkey (10.8.3 is minimum for Java 8)ġ0.7.5 Lion - Omniweb, Arctic Fox, Waterfox, iCab, Spiderweb, Snow Monkey (10.7.3 is minimum for Java 7)ġ0.4 Tiger, 10.5 Leopard, 10.6.8 Snow Leopard - Omniweb, iCab, Tenfourfox, Spiderweb, Snow Monkeyġ0.3 to 10.3.9 Panther - Classila, iCab, Tenfourfoxġ0.2.8 Jaguar and earlier, Classila and iCab. Note: for many El Capitan is the end of the line for their model.
You may find on download sites earlier versions of these browsers, but they are not necessarily secure, and often these sites have advertisements for malware (the direct operating system links go to how to upgrade to those systems):ġ2.2.1 Monterey - Safari, Edge, Brave, Chrome, Opera, Firefox, Waterfox (Intel only), iCabġ1.6.4* Big Sur - Safari, Edge, Brave, Chrome, Opera, Firefox, Waterfox (Intel only), iCabġ0.15.7* Catalina - Safari, Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCabġ0.14.6 Mojave - Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCab (Safari support ended with version 14.1.2 on Mojave)ġ0.13.6 High Sierra - Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCabġ0.12.6 Sierra - Omniweb, Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCabġ0.11.6 El Capitan - Omniweb, Brave, Chrome, Opera, Firefox (July 2021 last Security update), Waterfox, iCab They are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions.As of February 14, 2022, the following browser compatibility exists (order is completely arbitrary):įirst by operation system, links to individual browsers by system will follow the list by OS.
If you want to keep your Firefox version up to date, you need to upgrade your operating system to macOS 10.12 or higher.
How can I get the newest features of Firefox? After this, no security updates will be provided.
Up until October 2021, we were updating affected users with critical security updates through the Firefox ESR channel, to help retain the best possible security. Unsupported operating systems do not receive security updates, have known exploits and can be dangerous to use, which makes it difficult to maintain Firefox on those versions.Ĭan I still browse safely with Firefox on OS X 10.9, 10.10 or 10.11?
Apple made the last security update applicable to OS X 10.11 available in July 2018. Why has Firefox ended support for OS X 10.9, 10.10 and 10.11 users?Īlthough Apple does not have a public policy governing security updates for older OS X releases, its practice is to support the most recent three releases. Affected users will not receive any further security updates. This was done to provide security updates until the final Firefox 78 ESR update (version 78.15.0esr) was released on October 5, 2021. These users were moved to the Firefox Extended Support Release (ESR) channel by an application update.
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Releaseįirefox version 78 was the last supported Firefox version for Mac users of OS X 10.9 Mavericks, OS X 10.10 Yosemite and OS X 10.11 El Capitan.