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Fedora 42: Firefox 147.0 Upstream Release Advisory FEDORA-2026-0136a5ab4e

fedora
Calendar Grey January 15, 2026
Dist Fedora Esm H88
Fedora 42 releases Firefox 147.0, an upstream update enhancing performance and compliance in web browsing.
New upstream release (147.0)

Summary

Mozilla Firefox is an open-source web browser, designed for standards

compliance, performance and portability.

Update Information:

New upstream release (147.0)

Topics%20covered

Topics Covered

security advisory fedora update information firefox web browser upstream release

Change Log

* Tue Jan 6 2026 Martin Stransky - 147.0-1 - Updated to 147.0 * Fri Dec 19 2025 Martin Stransky - 146.0.1-1 - Updated to 146.0.1 * Wed Dec 17 2025 Martin Stransky - 146.0-6 - Added upstream patch IWYU (libwebrtc IWYU fixes for PipeWire) - Claude AI assisted editing (failed to do whole work, but it was close!) * Wed Dec 17 2025 Martin Stransky - 146.0-5 - Removed firefox-bin from man pages

References

Fedora Update Notification FEDORA-2026-0136a5ab4e 2026-01-15 00:51:57.354768+00:00 Name : firefox Product : Fedora 42 Version : 147.0 Release : 1.fc42 URL : https://www.firefox.com/ Summary : Mozilla Firefox Web browser Description : Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-0136a5ab4e' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
informational
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Name: firefox
Product: Fedora 42
Version: 147.0
Release: 1.fc42
URL: https://www.firefox.com/
Summary: Mozilla Firefox Web browser

Topics%20covered

Topics Covered

security advisory fedora update information firefox web browser upstream release

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