Fedora Linux 42 has been released with many incremental improvements and updates. In this development cycle, the KDE Plasma Desktop has finally gotten a promotion from a spin to an edition, the new web-based user interface for the Anaconda installer makes its debut, and the Wayland-ification of Fedora continues apace. In all it is a solid release with lots of polish.
Version 3.0 of the Pinta image editor has been released. The most notable change in this release is that Pinta has been ported to GTK 4.0 and libadwaita. It also includes a number of improvements, new effects, and bug fixes.
BPF is, famously, not part of the kernel's promises of user-space stability. New kernels can and do break existing BPF programs; the BPF developers try to fix unintentional regressions as they happen, but the whole thing can be something of a bumpy ride for users trying to deploy BPF programs across multiple kernel versions. Shung-Hsi Yu and Daniel Xu had two different approaches to fixing the problem that they presented at the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit.
Nothing particularly stands out to me, but it's early in the release yet, so let's see how it goes."
Eduard Zingerman presented a daring proposal that "makes sense if you think
about it a bit
" at the 2025 Linux Storage, Filesystem,
Memory-Management, and BPF Summit. He wants to inline
performance-sensitive kernel functions
into the BPF programs that call them. His
prototype does not yet address all of the design problems inherent in that idea,
but it did spark a lengthy discussion about the feasibility of his proposal.
GCC will use color when emitting its text messages on stderr at a suitably modern terminal, using a few colors that seem to work well in a number of different terminal themes—but the exact rules for choosing which color to use for each aspect of the output have been rather arbitrary.For GCC 15, I've gone through C and C++'s errors, looking for places where two different things in the source are being contrasted, such as type mismatches. These diagnostics now use color to visually highlight and distinguish the differences.
Tom Schuster, Frederik Braun, and Christoph Kerschbaumer have published an article on the Firefox Security team's Attack & Defense blog that explains recent work to harden Firefox's frontend code.
We have rewritten over 600 JavaScript event handlers to mitigate XSS and other injection attacks in the main Firefox user interface. This mitigation will ship in Firefox 138. However, blocking the execution of scripts in the parent process is not the end - we will expand this technique to other contexts in the near future. There is still more work to do as the UI requires JavaScript APIs with a high level of privileges. However: We still eliminated a whole class of attacks, significantly raising the bar for attackers to exploit Firefox.
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