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Firefox Nightly

@firefoxnightly.bsky.social

Latest Firefox for Desktop development, live from Bugzilla! https://firefox.com/nightly

787 Followers  |  7 Following  |  51 Posts  |  Joined: 12.02.2025  |  1.7838

Latest posts by firefoxnightly.bsky.social on Bluesky

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Getting Better Every Day – These Weeks in Firefox: Issue 192 – Firefox Nightly News Highlights Collapsed tab group hover preview is going live in Firefox 145! Nicolas Chevobbe added a feature that collapses unreferenced CSS variables declarations in the ...

[Nightly Blog] Getting Better Every Day – These Weeks in Firefox: Issue 192 blog.nightly.mozilla.org/2025/11/24/g...

24.11.2025 20:40 β€” πŸ‘ 10    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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two men in suits and ties are waving their hands in a room ALT: two men in suits and ties are waving their hands in a room

bugzilla.mozilla.org/show_bug.cgi...

14.11.2025 14:21 β€” πŸ‘ 12    πŸ” 2    πŸ’¬ 1    πŸ“Œ 1
Firefox JSON Viewer opened for the html entites JSON file
We can see the various properties of the JSON file, which are all objects containing a "characters" and a "codepoints" properties.
The Console is opened at the bottom. In it, we can see a console message explaining that some data is available (`$json.data` - the parsed JSON object, $json.text` - the original JSON text and `$json.headers` - HTTP request and response headers)

There's a console evaluation done with the following snippet:

```js
Object.entries($json.data)
    .filter(([k, v]) => v.codepoints.length > 1)
    .map(([k, v]) => ({characters: v.characters, htmlEntity: k, codepoints: v.codepoints}))

```

and the result shows an array of objects containing "characters", "htmlEntity" and "codepoints" properties.

Firefox JSON Viewer opened for the html entites JSON file We can see the various properties of the JSON file, which are all objects containing a "characters" and a "codepoints" properties. The Console is opened at the bottom. In it, we can see a console message explaining that some data is available (`$json.data` - the parsed JSON object, $json.text` - the original JSON text and `$json.headers` - HTTP request and response headers) There's a console evaluation done with the following snippet: ```js Object.entries($json.data) .filter(([k, v]) => v.codepoints.length > 1) .map(([k, v]) => ({characters: v.characters, htmlEntity: k, codepoints: v.codepoints})) ``` and the result shows an array of objects containing "characters", "htmlEntity" and "codepoints" properties.

The @firefoxdevtools.bsky.social JSON viewer got better in @firefoxnightly.bsky.social : the console offers access to the original json data via `$json`.
This allows to easily manipulate the underlying data to get what you want

07.11.2025 11:40 β€” πŸ‘ 98    πŸ” 28    πŸ’¬ 4    πŸ“Œ 1
1991105 - Enable @scope pref `layout.css.at-scope.enabled` by default on all channels RESOLVED (descalante) in Core - CSS Parsing and Computation. Last updated 2025-11-04.

Css @ scope was added in Nightly yesterday bugzilla.mozilla.org/1991105 should ship in 146 next month

05.11.2025 08:01 β€” πŸ‘ 6    πŸ” 2    πŸ’¬ 1    πŸ“Œ 1
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Extensions UI Improvements and More – These Weeks in Firefox: Issue 191 – Firefox Nightly News Highlights As part of improvements to the extensions panel, an empty state UI has been introduced to help users to understand why their installed extensions may not be listed ...

[Nightly Blog] Extensions UI Improvements and More – These Weeks in Firefox: Issue 191
blog.nightly.mozilla.org/2025/10/27/e...

27.10.2025 21:58 β€” πŸ‘ 10    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Smarter Search, Smoother Tools – These Weeks in Firefox: Issue 190 – Firefox Nightly News Highlights Google Lens support has been turned on by default in the latest nightly builds. When Google is your default search engine, and you right click an image ...

[Nightly Blog] Smarter Search, Smoother Tools – These Weeks in Firefox: Issue 190 blog.nightly.mozilla.org/2025/10/06/s...

06.10.2025 20:51 β€” πŸ‘ 13    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Mastodon

We are woking on this regression,thttps://bugzilla.mozilla.org/show_bug.cgi?id=1992436
Thanks!

06.10.2025 09:12 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Firefox 144 Highlights: Faster Add-ons, Smarter DevTools, and Tab Group Boosts – These Weeks in Firefox, Issue 189 – Firefox Nightly News Highlights Leo Liu [:leoliu] added a panel for AntiTracking debugging (#1972771) behind devtools.anti-tracking.enabled Alexandre Poirot [:ochameau] added a User-defined badge in the markup view ...

[Nightly Blog] Firefox 144 Highlights: Faster Add-ons, Smarter DevTools, and Tab Group Boosts – These Weeks in Firefox, Issue 189 blog.nightly.mozilla.org/2025/09/22/f...

22.09.2025 14:31 β€” πŸ‘ 11    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Add-ons, Fixes, and DevTools Snacks – These Weeks in Firefox: Issue 188 – Firefox Nightly News Highlights The Timer and TODO List widget are now available to be enabled in Firefox Labs on Nightly and Beta: Firefox Desktop about:addons add-on card view ...

[Nightly Blog] Add-ons, Fixes, and DevTools Snacks – These Weeks in Firefox: Issue 188 blog.nightly.mozilla.org/2025/09/19/a...

22.09.2025 09:40 β€” πŸ‘ 8    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Webcam previews and more! – These Weeks in Firefox: Issue 187 – Firefox Nightly News Highlights Nicolas Chevobbe added presentational hints in the Inspector's rule-view (#1212289)

[Nightly Blog] Webcam previews and more! – These Weeks in Firefox: Issue 187 blog.nightly.mozilla.org/2025/09/12/w...

22.09.2025 09:34 β€” πŸ‘ 12    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Mozilla - Ask a Fox event - Mozilla Community Portal The Mozilla Support platform (a.k.a. SUMO) receives over 20 million visits each month. It’s the go-to place for Firefox users to

Mozilla - Ask a Fox event
community.mozilla.org/campaigns/as...

16.09.2025 10:24 β€” πŸ‘ 8    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Firefox Security & Privacy newsletter 2025 Q2 Welcome to the Q2 2025 edition of the Firefox Security and Privacy newsletter!

Firefox Security & Privacy newsletter 2025 Q2 | Attack & Defense
attackanddefense.dev/2025/07/17/f...

02.09.2025 10:10 β€” πŸ‘ 10    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Fast, private and secure (pick three): Introducing CRLite in Firefox | The Mozilla Blog We are pleased to announce that Firefox 142 will begin production usage of our brand new certificate revocation system known as CRLite. CRLite makes your b

Fast, private and secure (pick three): Introducing CRLite in Firefox
blog.mozilla.org/en/firefox/c...

19.08.2025 16:49 β€” πŸ‘ 17    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
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Custom Profile Avatars Arrive in Nightly – These Weeks in Firefox: Issue 186 – Firefox Nightly News Highlights Custom avatar picker (and more icon choices) now available in Nightly Tab Groups: 1971230 - [meta] Preview collapsed tab group on hover coming to ...

[Nightly Blog] Custom Profile Avatars Arrive in Nightly – These Weeks in Firefox: Issue 186
blog.nightly.mozilla.org/2025/08/04/c...

05.08.2025 07:09 β€” πŸ‘ 12    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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Copy Link to Highlight in Nightly – These Weeks in Firefox: Issue 185 – Firefox Nightly News Highlights 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 https://mastodon.social/@firefoxnightly/...

[Nightly Blog] Copy Link to Highlight in Nightly – These Weeks in Firefox: Issue 185
blog.nightly.mozilla.org/2025/07/28/c...

29.07.2025 06:39 β€” πŸ‘ 13    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Video thumbnail

As of bugzilla.mozilla.org/1944719 this is now possible

25.07.2025 12:33 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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Devotion to Duty

Happy sysadmin day!
xkcd.com/705/

25.07.2025 12:03 β€” πŸ‘ 11    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
A test page that shows which features of the View Transition API your browser supports, here showing Firefox Nightly (142).
It supports not only same-document view transitions but also the view-transition-class property that is specified in the Level 2 specification.

A test page that shows which features of the View Transition API your browser supports, here showing Firefox Nightly (142). It supports not only same-document view transitions but also the view-transition-class property that is specified in the Level 2 specification.

Just spotted: Firefox Nightly already supports view-transition-class from the Level 2 spec.

14.07.2025 17:18 β€” πŸ‘ 8    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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Shipping WebGPU on Windows in Firefox 141 After years in development, we will be releasing WebGPU on Windows in Firefox 141! WebGPU gives web content a modern interface to the user’s graphics processor, enabling high-performance comp…

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

16.07.2025 10:29 β€” πŸ‘ 10    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

wiki.mozilla.org/Nightly#Fili...

07.07.2025 08:53 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Please file a bug to ask for this feature, thanks:

07.07.2025 08:53 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 2    πŸ“Œ 0
Sidebar settings where you can disable extensions

Sidebar settings where you can disable extensions

It's already possible.

06.07.2025 12:22 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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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

06.07.2025 10:00 β€” πŸ‘ 39    πŸ” 4    πŸ’¬ 2    πŸ“Œ 1
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Highlights from Volunteer Contributors – These Weeks in Firefox: Issue 184 – Firefox Nightly News Highlights Some Picture-in-Picture improvements have landed recently from some volunteer contributors, and should be going out in Firefox 141 on July 22nd: Thanks to new contributor nrcrast for .....

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

01.07.2025 12:27 β€” πŸ‘ 9    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

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...

bsky.app/profile/fire...

20.06.2025 14:51 β€” πŸ‘ 9    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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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 ....

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

19.06.2025 08:09 β€” πŸ‘ 14    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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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

16.06.2025 09:40 β€” πŸ‘ 24    πŸ” 3    πŸ’¬ 1    πŸ“Œ 1
Redirecting to: /en-US

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

13.06.2025 08:18 β€” πŸ‘ 15    πŸ” 6    πŸ’¬ 0    πŸ“Œ 0
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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 ...

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

12.06.2025 11:45 β€” πŸ‘ 17    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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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 πŸŽ‰ and fixed action mode layout. See bugs: 1967857, 1967721 Check out this blog ...

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

08.06.2025 08:31 β€” πŸ‘ 10    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

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