Settings Are Getting a New Look!
The redesign of Firefox Settings is now enabled by default in Nightly! With this change, we are making it easier for people to customize Firefox and discover the controls that … Read more
Import-ant Updates – These Weeks in Firefox: Issue 201
Highlights Import attributes will be supported for WebExtensions, starting in Firefox 150! This allows WebExtension authors to import CSS module scripts and JSON into their JavaScript modules. Examples: import sheet … Read more
VPN, Split View, and Other Goodies – These Weeks in Firefox: Issue 200!
Highlights The VPN feature is rolling out to users in the United States, the United Kingdom, Germany and France! Read more about it here. And here’s more information about it … Read more
QR Codes, Speed Calculators, Better RAM Usage – These Weeks in Firefox: Issue 199
Highlights Thanks to overholt, macOS Nightly now has support for sharing the current tab’s URL via QR Code (Right-click tab, Share > Generate QR Code). This is held to Nightly … Read more
Extension Theming Improvements and More – These Weeks in Firefox: Issue 198
Highlights Starting with Firefox 150, Firefox Desktop’s theming internals have improved, allowing custom background images provided by built-in and custom themes to extend over the sidebar UI background – Bug … Read more
Firefox Profiler Dark Mode and Updated Smart Window Prompts – These Weeks in Firefox: Issue 197
Highlights Smart Window added contextual prompts for follow-ups bug 2012208 and conversation starters bug 2014946 SplitView is approaching completion in Nightly and hopes to ride the trains soon. If you … Read more
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