Firefox Nightly

@firefoxnightly
3K Followers
7 Following
121 Posts
Latest Firefox for Desktop development, live from Bugzilla!
Downloadhttps://firefox.com/nightly
Firefox Developer Edition and Beta: Try out Mozilla's .rpm package! - Mozilla Hacks - the Web developer blog
https://hacks.mozilla.org/2026/03/firefox-developer-edition-and-beta-try-out-mozillas-rpm-package/
Firefox Developer Edition and Beta: Try out Mozilla’s .rpm package! – Mozilla Hacks - the Web developer blog

In January, we introduced our Nightly package for RPM-based Linux distributions. Today, we are thrilled to announce it is now available for Firefox Beta! Firefox Beta is great for testing ...

Mozilla Hacks – the Web developer blog

[Gecko] Competition, Innovation, and the Future of the Web - Why Independent Browser Engines Matter

https://blog.mozilla.org/netpolicy/2026/03/23/competition-innovation-and-the-future-of-the-web/

🦎️

Competition, Innovation, and the Future of the Web – Why Independent Browser Engines Matter – Open Policy & Advocacy

Gecko matters because it ensures there’s an independent voice shaping how the internet evolves. Without Gecko, the landscape would be dominated by Apple and Google alone. Is that really the ...

Open Policy & Advocacy
Firefox & Gtk Emoji picker – Martin Stransky's Blog
https://mastransky.wordpress.com/2026/03/20/firefox-gtk-emoji-picker/
Firefox & Gtk Emoji picker

After nearly three years of development (it takes time to make up one’s mind) Firefox for Linux users can now enjoy seamless emoji insertion using the native GTK emoji chooser. This long-requ…

Martin Stransky's Blog
[Nightly Blog] Extension Theming Improvements and More – These Weeks in Firefox: Issue 198 https://blog.nightly.mozilla.org/2026/03/20/extension-theming-improvements-and-more-these-weeks-in-firefox-issue-198/
Extension Theming Improvements and More – These Weeks in Firefox: Issue 198 – Firefox Nightly News

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 - ...

Firefox Nightly News
[Nightly Blog] Firefox Profiler Dark Mode and Updated Smart Window Prompts – These Weeks in Firefox: Issue 197 https://blog.nightly.mozilla.org/2026/03/17/firefox-profiler-dark-mode-and-updated-smart-window-prompts-these-weeks-in-firefox-issue-197/
Firefox Profiler Dark Mode and Updated Smart Window Prompts – These Weeks in Firefox: Issue 197 – Firefox Nightly News

Highlights Smart Window added contextual prompts for follow-ups bug 2012208 and conversation starters bug 2014946

Firefox Nightly News

RE: https://social.security.plumbing/@freddy/116194891893177620

Also look at that fine game of window tiling (bottom / top) AND Firefox side-by-side split tab view (left/right). Currently in preview with @firefoxnightly :)

[Nightly Blog] AI Controls – These Weeks in Firefox: Issue 196 https://blog.nightly.mozilla.org/2026/03/10/ai-controls-these-weeks-in-firefox-issue-196/
AI Controls – These Weeks in Firefox: Issue 196 – Firefox Nightly News

Highlights Shout out to mstriemer for getting the AI Controls work landed and uplifted! You choose. We’ve also enabled New Tab with Sections by default ...

Firefox Nightly News
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/
Planet Mozilla

Follow the pulse of the Mozilla project. Aggregated updates from the developers, designers, and volunteers building a better internet.

Planet Mozilla

Here's a quick rundown of what we delivered as part of Interop 2025, and what's planned for Interop 2026!

More details on the features and focus areas: https://hacks.mozilla.org/2026/02/launching-interop-2026/

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!