Support/Firefox136: Difference between revisions

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* [https://www.mozilla.org/firefox/115.21.0/releasenotes/ ESR 115.21.0 Release Notes]
* [https://www.mozilla.org/firefox/115.21.0/releasenotes/ ESR 115.21.0 Release Notes]
* [https://www.mozilla.org/firefox/128.8.0/releasenotes/ ESR 128.8.0 Release Notes]
* [https://www.mozilla.org/firefox/128.8.0/releasenotes/ ESR 128.8.0 Release Notes]
<!-- * [https://support.mozilla.org/kb/firefox-enterprise-136-release-notes Firefox for Enterprise 136 Release Notes] -->
* [https://support.mozilla.org/kb/firefox-enterprise-136-release-notes Firefox for Enterprise 136 Release Notes]
* [https://developer.mozilla.org/docs/Mozilla/Firefox/Releases/136 Firefox for developers 136 Release Notes]
* [https://developer.mozilla.org/docs/Mozilla/Firefox/Releases/136 Firefox for developers 136 Release Notes]
* [https://www.mozilla.org/firefox/android/136.0/releasenotes/ Firefox for Android 136.0 Release Notes]
* [https://www.mozilla.org/firefox/android/136.0/releasenotes/ Firefox for Android 136.0 Release Notes]
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== Dot releases ==
== Dot releases ==
No dot release yet
<!--
{| class="wikitable"
{| class="wikitable"
|-
|-
! Platform !! Version !! Release date !! Notable fixes !! Unresolved
! Platform !! Version !! Release date !! Notable fixes !! Unresolved
|-
|-
| Firefox Desktop || [https://www.mozilla.org/firefox/135.0.1/releasenotes/ 135.0.1] || Feb 18, 2025 || [https://bugzilla.mozilla.org/show_bug.cgi?id=1944191 bug1944191], [https://bugzilla.mozilla.org/show_bug.cgi?id=1946899 bug1946899], [https://bugzilla.mozilla.org/show_bug.cgi?id=1947503 bug1947503], [https://bugzilla.mozilla.org/show_bug.cgi?id=1946156 bug1946156] || -
| Firefox Desktop || [https://www.mozilla.org/firefox/136.0.1/releasenotes/ 136.0.1] || Mar 11, 2025 || A fix for a webcompat issue that may affect multiple sites [https://bugzilla.mozilla.org/show_bug.cgi?id=1950565 bug1950565], [https://bugzilla.mozilla.org/show_bug.cgi?id=1947723 bug1947723] || [https://bugzilla.mozilla.org/show_bug.cgi?id=1952564 bug1952564]
|-
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/135.0.1/releasenotes/ 135.0.1] || Feb 18, 2025 || Various fixes || -
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/136.0.1/releasenotes/ 136.0.1] || Mar 11, 2025 || [https://bugzilla.mozilla.org/show_bug.cgi?id=1950565 bug1950565] || -
|-
|-
| Firefox & Focus for iOS || 136.2 || Feb 18, 2024 || Various fixes || -
| Firefox Desktop || [https://www.mozilla.org/firefox/136.0.2/releasenotes/ 136.0.2] || Mar 18, 2025 || Disabled support for the CookieStore API due to compatibility concerns (will be enabled later once the issues have been addressed). [https://bugzilla.mozilla.org/show_bug.cgi?id=1952564 Bug1952564], [https://bugzilla.mozilla.org/show_bug.cgi?id=1946121 Bug1946121], [https://bugzilla.mozilla.org/show_bug.cgi?id=1951930 Bug1951930], [https://bugzilla.mozilla.org/show_bug.cgi?id=1924932 Bug1924932] || -
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/136.0.2/releasenotes/ 136.0.2] || Mar 18, 2025 || - || -
|-
| Firefox Desktop || [https://www.mozilla.org/firefox/136.0.3/releasenotes/ 136.0.3] || Mar 25, 2025 || TikTok Nearly Unusable on Firefox 136+ [https://bugzilla.mozilla.org/show_bug.cgi?id=1954323 bug1954323] || -  
|}
|}
-->


== Contributor discussions ==
== Contributor discussions ==
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== What's new in Firefox 136 ==
== What's new in Firefox 136 ==
=== Firefox Desktop ===
=== Firefox Desktop ===
{| class="wikitable"
!colspan="3"|Sidebar update for the 136 release
|-
|'''Description:'''
|colspan="2"|Sidebar update for the 136 release
|-
|'''Content request:'''
|colspan="2"|https://bugzilla.mozilla.org/show_bug.cgi?id=1948430
|-
|rowspan="2"|'''KB articles:'''
|https://support.mozilla.org/en-US/kb/use-sidebar-access-tools-and-vertical-tabs
|New article
|-
|https://support.mozilla.org/en-US/kb/use-firefox-sidebar-access-bookmarks-history-synced
|KB updated
|}
{| class="wikitable"
{| class="wikitable"
!colspan="3"|Crash reports in Firefox desktop (ToU update)
!colspan="3"|Crash reports in Firefox desktop (ToU update)
Line 213: Line 231:


== Known incident(s) ==
== Known incident(s) ==
{| class="wikitable"
!colspan="2"| CookieStore API issue that cause login and other state-related issues
|-
|'''Description:'''
| Websites that use CookieStore cookies with name+value lengths > 1024 will fail. This could cause login and other state-related issues.
|-
|'''Status:'''
| Fixed in 136.0.1
|-
|'''Product(s) impacted:'''
| Firefox Desktop/Android/iOS
|-
|'''Associated bug:'''
| [https://bugzilla.mozilla.org/show_bug.cgi?id=1950565 bug1950565], [https://bugzilla.mozilla.org/show_bug.cgi?id=1952771 bug1952771], [https://bugzilla.mozilla.org/show_bug.cgi?id=1952489 bug1952489]
|-
|'''Resolution/workaround:'''
| Upgrade to 136.0.1
|}
{| class="wikitable"
!colspan="2"| New update checked "Cookies and site data" automatically for some users
|-
|'''Description:'''
| Users clearing "History" and/or "Site settings" on shutdown on previous versions will also have clearing "Cookies and site data" and "Temporary cached files and pages" enabled after updating to Fx136 even if they previously haven't checked these settings.
|-
|'''Status:'''
| Ongoing (a patch with fix is ready to be shipped)
|-
|'''Product(s) impacted:'''
| Firefox Desktop
|-
|'''Associated bug:'''
| [https://bugzilla.mozilla.org/show_bug.cgi?id=1952564 bug1952564]
|-
|'''Resolution/workaround:'''
| Affected users can go to "Privacy & Security" settings directly after the upgrade and uncheck both boxes to avoid getting logged out.
|}
{| class="wikitable"
!colspan="2"| History Disappears for users in Firefox for iOS
|-
|'''Description:'''
| Certain history disappears from the user’s history & search suggest. However, it seems like the data is not lost, but it’s just actually not visible.
|-
|'''Status:'''
| Ongoing (fixes are ready)
|-
|'''Product(s) impacted:'''
| Firefox for iOS
|-
|'''Associated bug:'''
| [https://github.com/mozilla-mobile/firefox-ios/issues/25161 #25161], [https://github.com/mozilla-mobile/firefox-ios/issues/25257 #25257]
|-
|'''Resolution/workaround:'''
| A fix is coming up with the release of version 136.2 on iOS
|}
<!--
<!--
{| class="wikitable"
{| class="wikitable"

Latest revision as of 14:06, 24 March 2025

Firefox 136 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:

Release notes

Bug boards

Dot releases

Platform Version Release date Notable fixes Unresolved
Firefox Desktop 136.0.1 Mar 11, 2025 A fix for a webcompat issue that may affect multiple sites bug1950565, bug1947723 bug1952564
Firefox & Focus for Android 136.0.1 Mar 11, 2025 bug1950565 -
Firefox Desktop 136.0.2 Mar 18, 2025 Disabled support for the CookieStore API due to compatibility concerns (will be enabled later once the issues have been addressed). Bug1952564, Bug1946121, Bug1951930, Bug1924932 -
Firefox & Focus for Android 136.0.2 Mar 18, 2025 - -
Firefox Desktop 136.0.3 Mar 25, 2025 TikTok Nearly Unusable on Firefox 136+ bug1954323 -

Contributor discussions

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

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!
  • Firefox News: Consider subscribing to Firefox Daily Digest to get daily updates (Mon-Fri) about Firefox from across the internet.
  • Community Newsletter: Consider subscribing to the Mozilla Community Newsletter to get monthly update about our community.
Note.png
Content in this page is being updated periodically as we're rolling out the release.

What's new in Firefox 136

Firefox Desktop

Sidebar update for the 136 release
Description: Sidebar update for the 136 release
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1948430
KB articles: https://support.mozilla.org/en-US/kb/use-sidebar-access-tools-and-vertical-tabs New article
https://support.mozilla.org/en-US/kb/use-firefox-sidebar-access-bookmarks-history-synced KB updated
Crash reports in Firefox desktop (ToU update)
Description: Firefox crash report article for desktop
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1931078
KB articles: https://support.mozilla.org/kb/crash-reports-pref New article
Marketing data (ToU update)
Description: New article about how to manage marketing data in Fx desktop
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1933833
KB articles: https://support.mozilla.org/kb/marketing-data New article
Technical and interaction data (ToU update)
Description: SUMO article for technical and interaction data setting
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1931075
KB articles: https://support.mozilla.org/kb/technical-and-interaction-data New article
DAU ping (ToU update)
Description: SUMO article for managing DAU Ping
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1925054
KB articles: https://support.mozilla.org/kb/usage-ping-settings New article
Explanation for the OHTTP feature (ToU update)
Description: SUMO article for the OHTTP feature
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1946031
KB articles: https://support.mozilla.org/kb/ohttp-explained New article

Firefox for Android and iOS

Technical and Interaction Data Setting on mobile (ToU update)
Description: SUMO Article for Technical and Interaction Data Setting on mobile (ToU update)
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1931077
KB articles: https://support.mozilla.org/kb/technical-and-interaction-data New article
DAU ping for iOS (ToU update)
Description: SUMO article for managing DAU Ping on iOS
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1925053
KB articles: https://support.mozilla.org/kb/usage-ping-settings New article
SUMO article for Adjust and SKAdNetwork marketing data (ToU update)
Description: SUMO article for Adjust and SKAdNetwork marketing data on mobile products
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1917415
KB articles: https://support.mozilla.org/kb/mobile-marketing-data New article

Firefox Focus for Android & iOS

DAU ping for Focus iOS (ToU update)
Description: SUMO article for managing DAU Ping on Focus iOS
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1937183
KB articles: https://support.mozilla.org/en-US/kb/manage-daily-usage-ping-data-collection-settings-f New article

Known studies/experiments

Escalation

TBD

Known issue(s)/Trending topic(s)

Known incident(s)

CookieStore API issue that cause login and other state-related issues
Description: Websites that use CookieStore cookies with name+value lengths > 1024 will fail. This could cause login and other state-related issues.
Status: Fixed in 136.0.1
Product(s) impacted: Firefox Desktop/Android/iOS
Associated bug: bug1950565, bug1952771, bug1952489
Resolution/workaround: Upgrade to 136.0.1
New update checked "Cookies and site data" automatically for some users
Description: Users clearing "History" and/or "Site settings" on shutdown on previous versions will also have clearing "Cookies and site data" and "Temporary cached files and pages" enabled after updating to Fx136 even if they previously haven't checked these settings.
Status: Ongoing (a patch with fix is ready to be shipped)
Product(s) impacted: Firefox Desktop
Associated bug: bug1952564
Resolution/workaround: Affected users can go to "Privacy & Security" settings directly after the upgrade and uncheck both boxes to avoid getting logged out.
History Disappears for users in Firefox for iOS
Description: Certain history disappears from the user’s history & search suggest. However, it seems like the data is not lost, but it’s just actually not visible.
Status: Ongoing (fixes are ready)
Product(s) impacted: Firefox for iOS
Associated bug: #25161, #25257
Resolution/workaround: A fix is coming up with the release of version 136.2 on iOS


Post-release

  • TBD
Retrieved from "https://wiki.mozilla.org/index.php?title=Support/Firefox136&oldid=1253621"