Firefox 133 release information

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

What's new in Firefox 133

Firefox Desktop

Tab overview menu update
Description:	We're adding the “Tabs from other devices” menu in the Tab Overview list.
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1931890
KB articles:	https://support.mozilla.org/en-US/kb/tab-overview-menu/	KB updated

Update KB ETP Article to include Bounce Tracking Protection
Description:	We're shipping Bounce Tracking Protection in ETP strict in Fx133.
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1931837
KB articles:	https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop	KB updated

“permission-request-messages-firefox-extensions” and ”extensions-private-browsing” Update
Description:	Updating the dialog screenshot for when a user installs an extension.
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1917044
KB articles:	https://support.mozilla.org/en-US/kb/permission-request-messages-firefox-extensions/history	KB updated
KB articles:	https://support.mozilla.org/en-US/kb/extensions-private-browsing/history	KB updated

Firefox for Android

Desktop mode by default for Firefox for Android Tablet Users
Description:	Desktop mode browsing is now enabled by default for large devices. This can be controlled via a preference under Settings in “Site settings” previously named “Site permissions”.
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1923952
KB article:	https://support.mozilla.org/en-US/kb/getting-started-firefox-android-tablet-browser	Article updated

Firefox for iOS

No iOS update

Known studies/experiments

Escalation

TBD

Known issue(s)/Trending topic(s)

Platform	Issue	Known bug/Related discussions	Fix/workaround
Desktop ESR 128.5.0	ESR 128.5.0 not loading pages/websites when using SSL inspection	https://bugzilla.mozilla.org/show_bug.cgi?id=1933747	Update to 128.5.1 should fix the issue.
Android	-	-	-
iOS	-	-	-

Known incident(s)

Post-release

To come

Support/Firefox133

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