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Setting Up Certificate Authorities (CAs) in Firefox
Learn how to set up certificate authorities in Firefox Enterprise.
Firefox ESR release cycle
Firefox offers an Extended Support Release (ESR) based on a regular release of Firefox for desktop for use by organizations. Learn more.
Choosing a Firefox update channel
How to choose between rapid release and extended support release (ESR).
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release
Firefox 78 is the last supported version for Mac OS X 10.9, 10.10 and 10.11. Users will be moved to Firefox Extended Support Release (ESR).
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