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Mozilla Firefox (eo) 149.0.2 download

Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

This is an older version. The current version is 157.0.1. Mozilla Firefox (eo) 157.0.1 · Released:
149.0.2 is part of the 149 line, which reached its end of life on April 21, 2026. It no longer receives security fixes. endoflife.date

Installer files 149.0.2

ArchitectureTypeScopeFile sizeDownloadSHA256
64-bit EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal
ARM64 EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal
32-bit EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Release notes

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)
- Reference link to 149.0 release notes.

https://www.firefox.com/en-US/firefox/149.0.2/releasenotes/

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