Firefox

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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.

149.0.2 Firefox Release

April 7, 2026

Version 149.0.2, first offered to Release channel users on April 7, 2026

Fixed

  • Various security fixes.

  • Fixed an issue where certain parts of web pages, such as drop-down menus and specific styles, did not appear correctly when printing. (Bug 2026109)

  • Fixed an issue where some website error pages displayed generic connection messages instead of the specific error code and description provided by the server. (Bug 2023800)

  • Fixed a crash that occurred when using certain security keys or WebAuthn features for two-factor authentication. (Bug 2026688)

  • Fixed an issue on Linux where the browser toolbar could become unresponsive to mouse clicks after dragging a tab when using Wayland. (Bug 2022238)

  • Fixed a layout issue where text inside certain graphics (SVG) appeared shifted or misaligned from its intended position. (Bug 2024647)

  • Fixed an issue where the "Send to device" option failed to work when used from the Open Tabs section in Firefox View. (Bug 2023201)

Enterprise

  • Introduced a new enterprise policy that allows administrators to directly manage and control AI-related features within Firefox. (Bug 2019983)

  • Fixed an issue where enterprise policies for the browser homepage and start page were not being applied correctly. (Bug 2027888)

  • Introduced a new enterprise policy that allows administrators to prevent the built-in VPN and IP protection features from being available to users. (Bug 2022365)