Firefox Nightly 🔥

Shipping WebGPU on Windows in Firefox 141 – Mozilla Gfx Team Blog mozillagfx.wordpress.com/2025/07/15/shi…

A foxfooding campaign was just launched by Paul, one of our core community members to help us find bugs and rough edges to the new Drag to Pin feature. Everybody is welcome to join us do some testing and report bugs! discourse.mozilla.org/t/foxfooding-d… x.com/FirefoxNightly…

You can now drag a tab to your pinned tabs tray to pin it, or drag it out to unpin it. bugzilla.mozilla.org/1944907

The Text Fragments creation UI was just activated in Firefox Nightly allowing you to share/reference a link anchor to any text snippet in a page bugzilla.mozilla.org/1970641

[Nightly Blog] Highlights from Volunteer Contributors – These Weeks in Firefox: Issue 184 blog.nightly.mozilla.org/2025/07/01/hig…

[Nightly Blog] Absolute Unit of an Update – These Weeks in Firefox: Issue 183 blog.nightly.mozilla.org/2025/06/18/abs…

State of CSS 2025 is now open: stateofcss.com Browser vendors use the results of 'State of' surveys to help prioritize the features to work on. If you care about CSS, please take some time to answer it, and help shape the future of the language

[WebRTC] One-time permissions are here to stay! blog.mozilla.org/webrtc/one-tim…

[Nightly Blog] Smarter Searches – These Weeks in Firefox: Issue 182 blog.nightly.mozilla.org/2025/06/06/sma…

New Extension Data Consent Experience now available in Firefox Nightly blog.mozilla.org/addons/2025/05…

🧪 Experiment with Temporal in @FirefoxNightly! The New API has, 🗺️ Time Zone Support → Easy UTC conversions! 🧮 Precise Calculations → Leap years, daylight saving ✅ Built-in Parsing & Formatting → No need for third-party libraries Start exploring 👇 developer.mozilla.org/en-US/docs/Web…

[Nightly Blog] Keep on Rolling with Profile Improvements – These Weeks in Firefox: Issue 180 blog.nightly.mozilla.org/2025/05/05/kee…

WebExtensions Support for Tab Groups blog.mozilla.org/addons/2025/04…

You asked, we built it: Firefox tab groups are here blog.mozilla.org/en/firefox/tab…

[Nightly Blog] A Tab Groups Scoop – These Weeks in Firefox: Issue 179 blog.nightly.mozilla.org/2025/04/23/a-t…

Hardening the Firefox Frontend with Content Security Policies attackanddefense.dev/2025/04/09/har…

✅Implement auto-expanding <details> bugzilla.mozilla.org/show_bug.cgi?i…

✅ Support ::details-content pseudo-element and improved styling of <details> element bugzilla.mozilla.org/show_bug.cgi?i…

SpiderMonkey Newsletter (Firefox 135-137) spidermonkey.dev/blog/2025/03/1…

[Nightly Blog] Turn Tabs To Their Side – These Weeks in Firefox: Issue 177 blog.nightly.mozilla.org/2025/03/11/tur…