
Also new to the desktop, there are subtitles and captions when using Picture-in-Picture mode. The feature requires a Mac with an HDR-compatible display that's running macOS 11 or later. On Macs, Firefox 100 supports High Dynamic Range (HDR) video for higher-fidelity video content. Firefox 100 brings new features for both mobile devices and the desktop to enhance the browsing experience.

In the meantime, we strongly encourage our users to upgrade to mac OS X 10.12 or higher to benefit from the security and privacy updates.įor more information please visit the Firefox support page.Firefox today announced the launch of Firefox 100, the newest version of the popular browser that serves as an alternative to Safari and Chrome. On June 30th, these macOS users will automatically be moved to the ESR channel through application update. Users do not need to take additional action to receive those updates. Unsupported operating systems receive no security updates, have known exploits, and can be dangerous to use, which makes it difficult and less than optimal to maintain Firefox for those versions.

The last security update applicable to macOS 10.11 was made available nearly 2 years ago in July 2018 ( ). 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. On June 30th, macOS 10.9, 10.10 and 10.11 users will automatically be moved to the Firefox Extended Support Release (ESR).
