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Updated Steam Runtime Switches To Debian 13 Libraries, SDL2 Using Compatibility Layer

An updated version of the Steam Linux Runtime 4 branch was rolled out that has now shifted from Debian 11 to Debian 13 libraries for some significant upgrades. In the process more libraries have gone x86_64 only in foregoing the i386 builds. In addition, the SDL 2 library support for the Steam Runtime is now provided by sdl2-compat as the compatibility layer for SDL2 atop SDL3...

Phoronix

Linux 6.19 Slated To Land "mm/cid" Rewrite That Has Very Positive Performance Potential

A set of Linux kernel patches posted back in October for rewriting the kernel's memory-mapped concurrency ID code for some nice performance wins looks like it will land for Linux 6.19. This is the code that prominent Intel engineer Thomas Gleixner found to yield up to an 18% improvement for the PostgreSQL database. My testing of this "mm/cid" code has also shown some nice performance wins too...

Phoronix

Firefox 147 Will Support The XDG Base Directory Specification

A 21 year old bug report requesting support of the XDG Base Directory specification is finally being addressed by Firefox. The Firefox 147 release should respect this XDG specification around where files should be positioned within Linux users' home directory...

Phoronix

Rusticl Has Turned Out Remarkably Well For Open-Source OpenCL For Mesa Drivers

Rusticl as a modern OpenCL implementation for Mesa Gallium3D drivers has turned out remarkably well. Rusticl performance has evolved quite well for this Rust-based OpenCL driver and it continues tacking on new features / OpenCL extensions as well as working gracefully with more Mesa drivers. Rusticl lead developer Karol Herbst presented on some of the recent accomplishments for this driver back at XDC2025...

LWN.net

[$] LWN.net Weekly Edition for November 20, 2025

Inside this week's LWN.net Weekly Edition: Front: Hardware architectures; Fedora Flatpaks; Debian hardware support; sockaddr structure; NUMA nodes; Homebrew. Briefs: LightDM security; Debian Libre Live; Xubuntu postmortem; Blender 5.0; Git 2.52.0; Rust in Android; Thunderbird 145; Quotes; ... Announcements: Newsletters, conferences, security updates, patches, and more.