Firefox Nightly

@firefoxnightly
2.8K Followers
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58 Posts
Latest Firefox for Desktop development, live from Bugzilla!

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!

https://discourse.mozilla.org/t/foxfooding-drag-a-tab-to-pin-a-tab/144213

https://mastodon.social/@firefoxnightly/114692384402255950

Foxfooding - drag a tab to pin a tab

Hello! A new feature is coming soon to Firefox and it would be great if there could be some contributors that could test it and try it out. Pinning tabs is a awesome feature, but what if it could be made even easier to us? Currently in Firefox Desktop Nightly and available for you test is dragging a tab to pin it. Start with one pinned tab. Drag a tab from the tab bar onto that existing tab to pin the new tab You now have two pinned tabs! Sounds really simple, but imagine how much this cou...

Mozilla Discourse
[Nightly Blog] Absolute Unit of an Update – These Weeks in Firefox: Issue 183
https://blog.nightly.mozilla.org/2025/06/18/absolute-unit-of-an-update-these-weeks-in-firefox-issue-183/
Absolute Unit of an Update – These Weeks in Firefox: Issue 183 – Firefox Nightly News

Highlights Henrik removed all the code related to our experimental CDP (Chrome DevTools Protocol) implementation for browser automation. We also published a fxdx.dev blog post to explain what this ...

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

State of CSS 2025 is now open: https://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

Redirecting to: /en-US

[WebRTC] One-time permissions are here to stay! https://blog.mozilla.org/webrtc/one-time-permissions-are-here-to-stay/
One-time permissions are here to stay! - Advancing WebRTC

One-time camera and microphone permissions are now in Chrome (since M116), joining Firefox and Safari. This means that per-session permissions are now available to use cross-browser. Chrome calls the option “Allow this time”, where “this time” (as in “one-time”) refers to the scope of the grant, which the browser forgets once the user closes the […]

Advancing WebRTC
[Nightly Blog] Smarter Searches – These Weeks in Firefox: Issue 182
https://blog.nightly.mozilla.org/2025/06/06/smarter-searches-these-weeks-in-firefox-issue-182/
Smarter Searches – These Weeks in Firefox: Issue 182 – Firefox Nightly News

Highlights The Search team has enabled the new URL bar search experience by default 🎉 and fixed action mode layout. See bugs: 1967857, 1967721 Check out this blog ...

Firefox Nightly News
Congrats to @mozilla for being the first vendor to patch their #Pwn2Own bugs. Oh - and go update #Firefox to get the fixes. That's two years in a row Mozilla has been the fastest. Well done!
New Extension Data Consent Experience now available in Firefox Nightly – Mozilla Add-ons Community Blog

In a previous blog post I explained that we’re working to streamline the data consent experience for extensions and allow users to consent to sharing data with extensions directly in ...

Mozilla Add-ons Community Blog

🧪 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 👇
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Temporal

Temporal - JavaScript | MDN

The Temporal object enables date and time management in various scenarios, including built-in time zone and calendar representation, wall-clock time conversions, arithmetics, formatting, and more. It is designed as a full replacement for the Date object.

MDN Web Docs
[Nightly Blog] Keep on Rolling with Profile Improvements – These Weeks in Firefox: Issue 180 https://blog.nightly.mozilla.org/2025/05/05/keep-on-rolling-with-profile-improvements-these-weeks-in-firefox-issue-180/
Keep on Rolling with Profile Improvements – These Weeks in Firefox: Issue 180 – Firefox Nightly News

Highlights Profile Management is rolling out as an experiment in Firefox 138 Notice any issues? Help us out by filing a bug report! Do you have ...

Firefox Nightly News