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Firefox — release notes

mozilla.org/en-US/firefox/releases
Text/HTMLCompetitor IntelApr 2, 2026
Configuration
Fetch methodBrowser
CSS/XPath filtersmain

How to track competitor changes on mozilla.org

Track Firefox browser release history and new features. Get alerts about privacy improvements, web standards support, and developer tools. This community watch uses text/html monitoring with 1 CSS/XPath filter to track specific changes on mozilla.org. You can start your own watch on the same page and choose which part of it to follow.

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FAQ

How do I track changes on mozilla.org?

Start your own Site Spy watch on this page. The community watch shown here uses text/html monitoring with 1 CSS/XPath filter to detect changes on mozilla.org; when you create yours you pick the part of the page to follow with the element picker. Sign up for free and start receiving notifications.

Is monitoring mozilla.org free?

Yes — Site Spy's free plan watches 5 pages, each checked once a day. Start your own mozilla.org watch on the free plan and choose what it follows. Upgrade for more pages and faster checks.

How often does Site Spy check mozilla.org for changes?

Check frequency depends on your plan: daily on Free, every 10 minutes on Starter, every 5 minutes on Pro. You can change the interval per watch from your dashboard.