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Linux Journal

Firefox 145: A Major Release with 32-Bit Linux Support Dropped

by George Whittaker Introduction Mozilla has rolled out Firefox 145, a significant update that brings a range of usability, security and privacy enhancements, while marking a clear turning point by discontinuing official support for 32-bit Linux systems. For users on older hardware or legacy distros, this change means it’s time to consider moving to a 64-bit environment or opting for a supported version. Here’s a detailed look at what’s new, what’s changed, and what you need to know. Major Changes in Firefox 145 End of 32-Bit Linux Builds One of the headline items in this release is Mozilla’s decision to stop building and distributing Firefox for 32-bit x86 Linux. As per their announcement: “32-bit Linux (on x86) is no longer widely supported by the vast majority of Linux distributions, and maintaining Firefox on this platform has become increasingly difficult and unreliable.” From Firefox 145 onward, only 64-bit (x86_64) and relevant 64-bit architectures (such as ARM64) will be offici

LWN.net

[$] The current state of Linux architecture support

There have been several recent announcements about Linux distributions changing the list of architectures they support, or adjusting how they build binaries for some versions of those architectures. Ubuntu introduced architecture variants, Fedora considered dropping support for i686 but reversed course after some pushback, and Debian developers have discussed raising its architecture baseline for the upcoming Debian 14 ("forky"). Linux supports a large number of architectures, and it's not always clear where or by whom they are used. With increasing concerns about diminishing support for legacy architectures, it's a good time to look at the overall state of architecture support on Linux.

LWN.net

[$] Pouring packages with Homebrew

The Homebrew project is an open-source package-management system that comes with a repository of useful packages for Linux and macOS. Even though Linux distributions have their own package management and repositories, Homebrew is often used to obtain software that is not available in a distribution's repository or to install more current versions of projects than are available from long-term-support (LTS) distributions. Homebrew 5.0.0, released on November 12, 2025, expanded Linux support to include 64-bit Arm packages in addition to x86_64, and turned on concurrent downloads by default to speed up package downloads.

LWN.net

Security updates for Tuesday

Security updates have been issued by Debian (libwebsockets), Fedora (chromium and fvwm3), Mageia (apache, firefox, and postgresql13, postgresql15), Oracle (idm:DL1), Red Hat (bind, bind9.18, firefox, and openssl), SUSE (alloy, ghostscript, and openssl-1_0_0), and Ubuntu (ffmpeg and freeglut).