AI Controls – These Weeks in Firefox: Issue 196
Highlights Shout out to mstriemer for getting the AI Controls work landed and uplifted! We’ve also enabled New Tab with Sections by default in the UK! Friends of the Firefox … Read more
Profile, search and wallpaper bug fixes plus more! – These Weeks in Firefox: Issue 195
Highlights If you were running into any problems last week opening links from other applications, specifically with Firefox being foregrounded but not opening the URL, this should now be fixed … Read more
Take note – Split View is ready for testing! – These Weeks in Firefox: Issue 194
Highlights Shout-out to new contributor Lorenz A, who fixed almost 70 bugs over the past few weeks! Most of this work was modernizing some of our DevTools code to use … Read more
Introducing Mozilla’s Firefox Nightly .rpm package for RPM-based linux distributions!
After introducing Debian packages for Firefox Nightly, we’re now excited to extend that to RPM-based distributions. Just like with the Debian packages, switching to Mozilla’s RPM repository allows Firefox to … Read more
Phasing Out the Older Version of Firefox Sidebar in 2026
Over a year ago, we introduced an updated version of the sidebar that offers easy access to multiple tools – bookmarks, history, tabs from other devices, and a selection of … Read more
Closing out 2025 Strong – These Weeks in Firefox: Issue 193
Highlights Special shout-out to volunteer contributor Lorenz A for fixing a huge smattering of bugs in our DevTools code! Lorenz fixed the alignment of numeric values in Netmonitor and fixed … Read more
Getting Better Every Day – These Weeks in Firefox: Issue 192
Highlights Collapsed tab group hover preview is going live in Firefox 145! Nicolas Chevobbe added a feature that collapses unreferenced CSS variables declarations in the Rules view (#1719461) Alexandre Poirot … Read more
Extensions UI Improvements and More – These Weeks in Firefox: Issue 191
Highlights As part of improvements to the extensions panel, an empty state UI has been introduced to help users to understand why their installed extensions may not be listed in … Read more
Smarter Search, Smoother Tools – These Weeks in Firefox: Issue 190
Highlights Google Lens support has been turned on by default in the latest nightly builds. When Google is your default search engine, and you right click an image you’ll see … Read more
Firefox 144 Highlights: Faster Add-ons, Smarter DevTools, and Tab Group Boosts – These Weeks in Firefox, Issue 189
Highlights Leo Liu [:leoliu] added a panel for AntiTracking debugging (#1972771) behind devtools.anti-tracking.enabled Alexandre Poirot [:ochameau] added a “User-defined” badge in the markup view event tooltip to differentiate them from … Read more
Add-ons, Fixes, and DevTools Snacks – These Weeks in Firefox: Issue 188
Highlights The Timer and TODO List widget are now available to be enabled in Firefox Labs on Nightly and Beta: Firefox Desktop about:addons add-on card view has been updated to … Read more
Webcam previews and more! – These Weeks in Firefox: Issue 187
Highlights Nicolas Chevobbe added presentational hints in the Inspector’s rule-view (#1212289) Nate Gross added a new getKeys API method available across all browser.storage APIs (Bug 1910669) Emma Zühlcke (:emz) added … Read more