While Apple doesn’t have an official policy governing security updates for older macOS releases, their ongoing practice has been to support the most recent three releases (i.e. They are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions. On June 30th, macOS 10.9, 10.10 and 10.11 users will automatically be moved to the Firefox Extended Support Release (ESR). 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? Scroll down to the ' Permissions ' section and click the ' Settings ' button next to ' Notifications '. Select ' Settings ' and click on ' Privacy & Security ' in the toolbar on the left hand side of the screen. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Remove spam notifications from Mozilla Firefox: Click the Menu button ( three bars) on the right upper corner of the screen. Apple made the last security update applicable to OS X 10.11 available in July 2018. Download Mozilla Firefox for Mac, a free web browser. 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.

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