Why you SHOULD be using Firefox

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Firefox 142 Adds New Tab Topics, Local AI in Extensions + More

Firefox 142 lets US users curate stores on the new tab stories by topic and lets web extensions use local AI models, among other changes. Highlights inside.
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Firefox 142 Now Available - Allows Browser Extensions/Add-Ons To Use AI LLMs - Phoronix

www.phoronix.com www.phoronix.com

"Firefox now supports the wllama API for extensions, enabling developers to integrate local language model (LLM) capabilities directly into their add-ons."
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FFS!
 
Changelog for 142.

Code: 
142.0 Firefox Release

August 19, 2025
Version 142.0, first offered to Release channel users on August 19, 2025
New

    For users in the United States, article recommendations on your New Tab page are now grouped into topic sections like Sports, Food, and Entertainment to make stories more organized and easier to scan. You can also follow topics you’re interested in and block ones you’d prefer not to see, giving you more control over what shows up when you open a new tab.

    gif for newtab

    This feature is part of a progressive roll out.
    What is a progressive roll out?

    You can now see what’s behind a link before visiting it with Link Previews. Long press a link (or right-click and choose Preview Link). Previews can optionally include AI-generated key points, which are processed on your device to protect your privacy.

    Link Previews is gradually rolling out to ensure performance and quality and is now available in en-US, en-CA, en-GB, en-AU for users with more than 3 GB of available RAM.

    This feature is part of a progressive roll out.
    What is a progressive roll out?

    On Windows, clicking a persistent notification when Firefox is closed or restarted will now properly open Firefox with the relevant webpage, instead of just opening the main page of the website.

    ETP Strict mode now supports a flexible exception list to fix broken site features caused by tracker blocking. Exceptions are split into baseline (core functionality) and convenience (extra features), letting users choose improved site compatibility without compromising key privacy protections.

    Keep an active tab visible in a collapsed tab group
    Focus on just one tab in a group without the clutter. Your active tab stays in view, keeping things tidy even with the group collapsed.

    You can now remove extensions from the sidebar by right-clicking the extension icon and selecting Remove from Sidebar.

Fixed

    Improved the scroll speed in the bookmarks dialog to not go beyond the component area.

    Improved drag-and-drop support for blob images.

    Various security fixes.

Changed

    Improved search results from browsing history via the address bar, reducing the likelihood of duplicate results being shown.

    Improved Netmonitor so that Request Headers/Cookies/Params are displayed in the Network panel even if the request isn't finished yet.

Enterprise

    You can find information about policy updates and enterprise-specific bug fixes in the Firefox for Enterprise 142 Release Notes.

Developer

    Developer Information

    Firefox now supports the wllama API for extensions, enabling developers to integrate local language model (LLM) capabilities directly into their add-ons.

    The Debugger now offers a new setting to control whether the debugger overlay is shown during paused script execution.

    image for debugger

    Firefox now supports the Prioritized Task Scheduling API, enabling developers to assign and manage task priorities.

    The Selection.getComposedRanges() API is now available, allowing developers to accurately get selected text ranges across shadow DOM boundaries.

    Added support for the URLPattern API, enabling developers to match and parse URLs using a standardized pattern syntax.
 
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Anyone else having problems getting pages to load correctly in Firefox today? My browser stopped loading websites correctly like the these forums, Gmail and won't play YouTube videos. I put the same links in Edge and they all worked fine, tried updating to the latest version and it didn't help.
 
From time to time a page will just show blank and now load for some reason, but that's about it really.
 
mrk said:
From time to time a page will just show blank and now load for some reason, but that's about it really.
Click to expand...


That tends to happen to me on the Android version of FF, rather than the desktop one. Both browsers are the main release, not beta etc.
 
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Any ideas as to why FF will not allow me to play videos embedded within webpages..? Like the YT thread within the General section, it will not play any but asks me to sign in to confirm I'm not a bot. I am signed in, when visiting YT.
Starting in troubleshooting mode, no extensions or themes etc, does not help.

Thanks

EDIT: Sorted, I needed to turn off enhanced tracking prevention for this site, done with the shield icon next to the address bar.
 
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Strange, as it was like this.....

videos.png




with it disabled, all well. Then again, just tried to enable that feature, reboot the browser, and so far working........

We shall see.


Thanks
 
www.firefox.com

Firefox 143.0, See All New Features, Updates and Fixes

www.firefox.com www.firefox.com

On Windows, Firefox now supports running websites as web apps pinned directly to the taskbar. These are sites that you can pin and run as simplified windows directly from the taskbar without losing access to your installed add-ons. This feature is not currently available for Firefox installs from the Microsoft Store.
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When downloading a file in Private Browsing mode, Firefox now asks whether to keep or delete it after that session ends. You can adjust this behavior in Settings.
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Somethings borked in Firefox for iOS in this release. It doesn't seem to persist session cookies between tabs for certain sites, the forum in particular is one impacted.

If I create a new tab and load the forum it loads without me being logged in, particulary annnoying as this breaks the shortcut link on the new tab page.
 
yashiro said:
Auto hide taskbar gets broken by FF137.

v137 on Windows 10 has an issue where it's rendering at too high of a window strata; i.e. it's above the taskbar when Firefox is maximised and the taskbar is in auto hide mode.

This is easily tested by dragging the Firefox window title bar to the top of the screen or simply double clicking it then trying to unhide the taskbar. Pressing the maximise button on the Firefox window controls sees the taskbar working as you'd expect (a bit weird).

Only Firefox does this, other apps are fine so it's not some weird Win 10 thing. Firefox has either been coded as 'on top' of the taskbar (maybe some bugged Fullscreen F11 code has creeped in here?) or it's getting re-sized to a size that's bigger than it should be, covering the secret taskbar pixels at the bottom of the screen?

This bug also applies if you have your taskbar at the top or on the side!

I've tried the same profile on Nightly and 138 beta and everything is fine. The 137 release version is broken.
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Are you still having this problem? I just upgraded to an OLED monitor, so I turned on auto-hide taskbar, but in Firefox often when it's hidden it won't reappear when I move the mouse pointer to the bottom of the screen.

I can replicate the issue in the way you mentioned - dragging the FF window title bar to the top of the screen.

I'm using 143.0.1, which is the latest version.
 
Yeah. I went through the chew on bug reporting and dealing with their tool to bisect Firefox builds. The issue is in the code but a workaround was already implemented, except some muppet kept reverting the flag in submitted builds.

Enter about:config in the address bar and the flag you want is

Code: 
widget.windows.fullscreen_marking_method

set it to 0.
 
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