They are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions. If you want to keep your Firefox version up to date, you need to upgrade your operating system to macOS 10.12 or higher. macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple Inc.s operating system for Macintosh computers. How can I get the newest features of Firefox? After this, no security updates will be provided. With the updated macOS High Sierra 10.13.1 now available to download, bringing bug fixes, extra stability and security features, we recommend downloading and installing that update as soon as. 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? Next, download the VMware Unlocker tool and extract the downloaded file to a new folder. Download and install the VMware Workstation Player from its official website. Step 8: Be patient as you complete installation, and when it’s done, the macOS 11 Big Sur wallpaper will appear on the Mac screen. Click on Continue and complete instructions to complete installation. Apple made the last security update applicable to OS X 10.11 available in July 2018. Now that you’ve fulfilled the prerequisites let’s look at the steps to install macOS on Windows 11/10. Step 7: Having applied the two commands line, run macOS Big Sur installer that you installed earlier from InstallAssistant.pkg. 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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