Support/Firefox149

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Firefox 149 release information

Disclaimer

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:

• Answer questions in the support forum
• Write help articles
• Localize support content

To learn more about how to stay updated with Firefox release information, trending, and known issues, please also check out How to stay updated with Firefox release

Release notes

• Desktop 149.0 Release Notes
• ESR 115.34.0 Release Notes
• ESR 140.9.0 Release Notes
• Firefox for Enterprise 149 Release Notes
• Firefox for developers 149 Release Notes
• Firefox for Android 149.0 Release Notes
• Firefox for iOS 149.0 Release Notes

Dot releases

TBD

Contributor discussions

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

• Desktop release discussion
• Mobile release discussion
• Localization discussion

You can also join our Matrix channel to ask questions/join community discussion.

Stay updated

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

• Community call: We run a monthly community call (usually on the same week we release a new Firefox version). Check our schedule here and don't hesitate to join the call in person if you can!
• Newsletter: Consider subscribing to Firefox Daily Digest to get daily updates (Mon-Fri) about Firefox from across the internet.

What's new in Firefox 149

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

Firefox Desktop content update

Firefox VPN
Description:	Article to explain the built-in VPN in Firefox
Content request:	-
KB article:	https://support.mozilla.org/kb/built-in-vpn	New article

Split view
Description:	Article to explain the split view feature launching in 149
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=2020555
KB article:	https://support.mozilla.org/kb/split-view-firefox	New article

Tab notes feature
Description:	New article to explain the tab notes view feature launching in 149
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=2020034
KB article:	https://support.mozilla.org/kb/tab-notes-firefox	New article

Unified trust panel
Description:	Address bar lock & shield icons update
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=2012297
KB articles:	https://support.mozilla.org/kb/enhanced-tracking-protection-firefox-desktop	Article updates
	https://support.mozilla.org/kb/site-permissions-panel
	https://support.mozilla.org/kb/site-information-panel
	https://support.mozilla.org/kb/how-do-i-tell-if-my-connection-is-secure
	https://support.mozilla.org/kb/mixed-content-blocking-firefox
	https://support.mozilla.org/kb/firefox-page-info-window
	https://support.mozilla.org/kb/secure-website-certificate
	https://support.mozilla.org/kb/insecure-password-warning-firefox
	https://support.mozilla.org/kb/clear-cookies-and-site-data-firefox
	https://support.mozilla.org/kb/block-websites-storing-cookies-site-data-firefox
	https://support.mozilla.org/kb/https-only-prefs

Top requests

Check out top voted requests on Mozilla Connect.