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Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

136.0.2 Firefox Release

March 18, 2025

Version 136.0.2, first offered to Release channel users on March 18, 2025

Fixed

  • Fixed a bug where "Cookies and site data" and "Temporary cached files and pages" were unexpectedly enabled after updating to Firefox 136 for users with "History" and/or "Site settings" set to clear on shutdown in previous versions. (Bug 1952564)

    Affected users already on Firefox 136 can disable these settings in "Privacy & Security".

  • Fixed an issue where the Primary Password prompt appeared in unexpected situations. (Bug 1946121)

  • Fixed visibility issues with radio buttons on dark backgrounds. (Bug 1951930)

  • Fixed high CPU usage on Windows when the screen was locked or the laptop lid was closed. (Bug 1924932)

Web Platform

  • Disabled support for the CookieStore API due to compatibility concerns. The API will be enabled later once the compatibility issues have been addressed.

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