Firefox Nightly

As a reminder, you can follow the general Mozilla news, team work and individual contributors work on Planet Mozilla (which has a RSS feed you can subscribe to). We have 1 to 2 blog posts per day on Planet. https://planet.mozilla.org/

AI Controls are available in Firefox Nightly preferences!

Documentation: https://support.mozilla.org/kb/firefox-ai-controls

If you find a bug, please report it on Bugzilla via this link: https://mzl.la/AIControlsFileBug

Thanks!

[Nightly Blog] Profile, search and wallpaper bug fixes plus more! – These Weeks in Firefox: Issue 195 https://blog.nightly.mozilla.org/2026/02/02/profile-search-and-wallpaper-bug-fixes-plus-more-these-weeks-in-firefox-issue-195/

[Nightly Blog] Take note – Split View is ready for testing! – These Weeks in Firefox: Issue 194 https://blog.nightly.mozilla.org/2026/01/26/take-note-split-view-is-ready-for-testing-these-weeks-in-firefox-issue-194/

Brussels, here we come! 🦊🇧🇪

Mozilla will be at @fosdem@fosstodon.org next weekend. Swing by our stand to meet our staff and volunteers, and join the "Browser and Web Platform" devroom on Saturday!

Track schedule: https://fosdem.org/2026/schedule/track/browser-and-web-platform/

Firefox & Linux in 2025
https://mastransky.wordpress.com/2026/01/23/firefox-linux-in-2025/

[Nightly Blog] Introducing Mozilla’s Firefox Nightly .rpm package for RPM based linux distributions! https://blog.nightly.mozilla.org/2026/01/19/introducing-mozillas-firefox-nightly-rpm-package-for-rpm-based-linux-distributions/

[Nightly Blog] Phasing Out the Older Version of Firefox Sidebar in 2026 https://blog.nightly.mozilla.org/2026/01/13/phasing-out-the-older-version-of-firefox-sidebar-in-2026/