Firefox Nightly News

Highlights Firefox 155 just released! That’s the first release that went through the full 2-week release cycle process. The WebExtensions team added a new backgrounds_area theme property so themes can … Read more

Highlights Firefox 154 went out today! Lots of goodies in there for our users, including support for NVIDIA GeForce NOW The new 2 week release cycle is now in effect. … Read more

Highlights Want some Kit? Check out the store! Sebastian Zartner [:sebo] added a panel to expose @media emulation (#1692434) and provided a way to emulate @media (prefers-reduced-motion: reduce) (#1477920) More … Read more

Highlights Starting in Firefox 154, we’ve added a new capability for changing the default browser icon for Windows (Windows-only, for now, and not MSIX / Store installs) in about:settings#appearance! Notice … Read more

Highlights Dao added a new Eyedropper quick action! Check it out by typing “color” or “eyedropper” in the URL bar (Bug 1803575) on Nightly. Henrik Skupin released geckodriver 0.37.0, which … Read more

Highlights Maxx Crawford added a pref to hide the New Tab logo so users can opt out of branding without altering page layout or resorting to CSS overrides. Harshit enabled … Read more

Highlights James enabled adaptive autofill in Nightly for testing, which we believe should provide better results in the URL bar when doing autocomplete! Jack updated the illustrations shown on some … Read more

Highlights The profile backup mechanism has been enabled by default for all desktop platforms in Nightly, as well as Beta! The current plan is to have this ride out to … Read more

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