Firefox 142 release information

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The following information is intended for members of the Mozilla Support community for the purpose of supporting users in the Mozilla Support platform. Mozilla Support is a community of enthusiastic volunteers and employees trying to support Mozilla's users around the globe. You can join us by contributing through the following ways:

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Release notes

Dot releases

Platform	Version	Release date	Notable fixes	Unresolved
Firefox Desktop	142.0.1	Aug 27, 2025	Multiple bug fixes	-
Firefox & Focus for Android	142.0.1	Aug 27, 2025	Various stability fixes	-

Bug & feedback boards

Contributor discussions

Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:

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Apart from sharing release information, there are other ways to stay updated with product release and community updates:

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What's new in Firefox 142

Content in this page is being updated periodically as we're rolling out the release.

Firefox Desktop content update

Update of the pop-up blocker article
Description:	Update pop-up blocker article to include changes from frame busting feature
Content request:	[1]
KB article:	https://support.mozilla.org/kb/pop-blocker-settings-exceptions-troubleshooting	Article update

ETP Web compatibility exceptions
Description:	We are introducing the ETP web compatibility exceptions to improve the browsing experience for ETP strict and PBM users
Content request:	[2]
KB articles:	https://support.mozilla.org/kb/manage-enhanced-tracking-protection-exceptions	New article
KB articles:	https://support.mozilla.org/kb/enhanced-tracking-protection-firefox-desktop	Article update

Update AI Chatbot article
Description:	We are introducing a new feature that allows users to summarize an entire page without selecting text.
Content request:	[3]
KB article:	https://support.mozilla.org/kb/ai-chatbot	Article update

Firefox for Android content update

Firefox for iOS content update

iOS Menu Redesign
Description:	We are redesigning the iOS Menu
Content request:	[4]
KB article:	https://support.mozilla.org/kb/menu-firefox-ios	New article

Shake to Summarize
Description:	Use Firefox for iOS to summarize webpages by shaking the device
Content request:	[5]
KB article:	https://support.mozilla.org/kb/summarize-pages-ios	New article

Known studies/experiments

Trending requests

Platform	Request	Related discussions	Status
Desktop	Split-screen/Tab-in-Tab feature	[6]	In development
Desktop	Synced tab groups	[7]	Tracking
Desktop	Customizable bookmark toolbar font	[8]	Tracking
Desktop	Customizable hotkeys	[9]	Tracking
Desktop	Differentiate "Site you save" and "Sites you visit" in new tab	[10] [11]	Tracking
Android	Android address bar is too cluttered	[12] [13] [14] [15] [16]	Tracking
Android	Add a setting to enable tab strip	Connect Bugzilla	Tracking
iOS	Default page zoom setting	[17]	In progress
iOS	Translate feature in Firefox for iOS	[18]	Tracking

For other top requests on Mozilla Connect, please check out this Connect thread

Known issues

Platform	Category	Issue	Known bug/Related discussions	Fix/workaround
Desktop	Webcompat	iCloud login flow is sometimes broken	bug 1987563	Fixed
Desktop	Webcompat	OneDrive Moments do not load	bug 1987565	Fixed in v145
Desktop	Crashes	Startup crashes caused by MS's Family Safety feature	[19]	turn off the Family Safety feature temporarily
Desktop	Webcompat	NYT tells me I am a bot and will not let me read articles	#162420	Disable extensions
Desktop	Webcompat	Facebook audio and video call isn't working in Firefox	bug1896361	-
Android	UI/UX	Firefox for Android no longer restart in private browsing mode	bug1973769	This is intentional as per [20]
Android	UI/UX	Firefox for Android Private browsing shortcut opens a regular window in v141	bug1978764	-
Android	UI/UX	Bogus message: I'm a temporary text to indicate you're on the new Tab Fragment	bug1976648	Fixed in v142
Android	UI/UX	spacebar and backspace working abnormally in google search bar with gboard	bug1968872	-
Nightly 144	UI/UX	Drag tab to pin functionality is too sensitive	Reddit thread, Discourse post	-

Known incidents

Firefox Toolbar/UI unresponsive
Description:	Firefox Toolbar/UI unresponsive on Desktop
Status:	Resolved
Product(s) impacted:	Firefox Desktop
Associated bug:	[https://bugzilla.mozilla.org/show_bug.cgi?id=1980392, [21] Reddit thread
Resolution/workaround:	Fixed with the 142.0.1 release

iClouds logins broken sometimes
Description:	Users noting that they've been denied login to iCloud from Firefox
Status:	Resolved
Product(s) impacted:	Firefox Desktop/Android/iOS
Associated bug:	https://bugzilla.mozilla.org/show_bug.cgi?id=1987563
Resolution/workaround:	Clearing site data

Support/Firefox142

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