New Update Firefox Stable Release

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Firefox 142.0.1 released, bug fixes:
  • Dragging multiple non-adjacent tabs in horizontal tab strip mode now correctly moves them together as a group. (Bug 1982933)
  • Dragging multiple tabs no longer causes toolbar unresponsiveness or visual glitches. (Bug 1984342)
  • Fixed an issue where the text cursor appeared in the wrong location.. (Bug 1984045)
  • Fixed a crash related to gamepad use, particularly on macOS. (Bug 1870379)
  • Fixed an issue where the expand on hover feature in the sidebar would sometimes stop working. (Bug 1982129)
  • Fixed a crash in KDE Plasma when using certain custom window decorations. (Bug 1984823)
Click to expand...
www.firefox.com

Firefox 142.0.1, See All New Features, Updates and Fixes

www.firefox.com www.firefox.com
 
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Just updated

1756424568646.png
 
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Marko :) said:
Quick heads up! Check your Firefox settings. On my installation it automatically enabled the AI feature that uses too much resources and makes Firefox laggy. It also enabled sponsored shortcuts.

View attachment 290979 View attachment 290980
Click to expand...
Thank you I just checked mine and found the same, but I have a question: will this AI feature work all the time in the background, or it will just run when I group tabs manually, because in Mozilla documentation they show that it works when you drag and drop a tab on top of another?

How to use AI-enhanced tab groups | Firefox Help

Firefox allows you to create tab groups
support.mozilla.org support.mozilla.org

Also, I read that the performance issue was in version 141 and Mozilla replied to that with:
Some users who installed the Firefox 141 update in certain locales did experience performance degradation, but it was caused by a different on-device feature, not Smart Tab Groups which debuted in the update:

“After receiving reports of issues that hadn’t come up in our testing [of the new semantic Url matching feature], we reversed the rollout and the performance issues should be resolved. We are working on a fix.”
Click to expand...
www.omgubuntu.co.uk

Mozilla Slammed Over Battery-Draining “Garbage” AI in Firefox

Firefox's new AI tab groups is causing high CPU usage and battery drain. Find out why users are complaining and how to disable the feature.
www.omgubuntu.co.uk www.omgubuntu.co.uk
 
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lokamoka820 said:
Thank you I just checked mine and found the same, but I have a question: will this AI feature work all the time in the background, or it will just run when I group tabs manually, because in Mozilla documentation they show that it works when you drag and drop a tab on top of another?

How to use AI-enhanced tab groups | Firefox Help

Firefox allows you to create tab groups
support.mozilla.org support.mozilla.org

Also, I read that the performance issue was in version 141 and Mozilla replied to that with:

www.omgubuntu.co.uk

Mozilla Slammed Over Battery-Draining “Garbage” AI in Firefox

Firefox's new AI tab groups is causing high CPU usage and battery drain. Find out why users are complaining and how to disable the feature.
www.omgubuntu.co.uk www.omgubuntu.co.uk
Click to expand...
I don't know. As soon as I saw the AI feature was enabled, I disabled it.
 
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lokamoka820 said:
What this theme you use on Linux Mint, it looks like Windows 7?
Click to expand...
It is done with the Emerald Window Decorator.
Linux Mint - Community
Has to be added the your startup programs (emerald --replace)

screenshot_20250920.png


In Compiz Config Settings Manager, under Effects, you have to enable Window Decoration.
https://www.cyberciti.biz/howto/deb...ian-emerald-theme-manager-decorator/#more-134
(that page has instructions to compile it for Debian, but on Linux Mint it is available in the repository)

In mintdesktop (under Preferences in main menu), you have to choose Compiz.

screenshot_20250920-2.png


You can also edit themes or make your own. :)

</offtopic>
 
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Firefox 143.0.3 official release later today. Note: including security fixes
www.firefox.com

Firefox 143.0.3, See All New Features, Updates and Fixes

www.firefox.com www.firefox.com
  • Adjusted the timing of the new drag-to-pin interaction cue for better reliability. (Bug 1989344)
  • Fixed an issue that prevented some extensions from updating via the Add-ons Manager. (Bug 1984724)
  • Fixed a regression that prevented Firefox View sections from collapsing/expanding as expected. (Bug 1989200)
  • Addressed a WebExtensions storage issue that could cause Firefox to crash on startup with certain extensions installed. (Bug 1989840)
  • Fixed an issue where opening an add-on's "Extension settings" from the post-install prompt could break the Customize tab and some keyboard shortcuts until restart. (Bug 1983869)
  • Reduced long delays when loading certain websites while connected to networks that block UDP connections. (Bug 1980812)
  • Various stability and security fixes.
Click to expand...
 
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