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Version:next-20250724 (linux-next) Released:2025-07-24

Inside this week's LWN.net Weekly Edition:

• Front: Debian's security processes; Tor; Immutability for Python; CPU scheduler; QUIC; Rust abstractions.
• Briefs: Brief news items from throughout the community.
• Announcements: Newsletters, conferences, security updates, patches, and more.

KaOS is a desktop Linux distribution that features the latest version of the KDE desktop environment, the Calligra office suite, and other popular software applications that use the Qt toolkit. It was inspired by Arch Linux, but the developers build their own packages which are available from in-house repositories. KaOS employs a rolling-release development model and is built exclusively for 64-bit computer systems.

TUXEDO OS is an Ubuntu-based distribution developed in Germany by TUXEDO Computers GmbH, designed and optimised for the company's own range of Linux-friendly personal computers and notebooks. The distribution uses KDE Plasma as the preferred desktop. Some of the differences between Ubuntu and TUXEDO OS include custom boot menu, the TUXEDO Control Centre, Calamares installer, availability of the Lutris open gaming platform, preference for the PipeWire audio daemon (over PulseAudio), removal of Ubuntu's snap daemon and snap packages, and various other tweaks and enhancements.

Richard van der Hoff, a member of the team that runs the Matrix.org homeserver, has written a detailed blog post about diagnosing and fixing a problem where Matrix rooms would simply stop working:

We know that there are plenty of users out there who will have been affected by the problem, and found themselves unable to communicate as a result. We very much share your frustration, and we'd like to apologise for the disruption to service.

With that said, we're glad that we were able to get to the bottom of most of the problem, and get the lost data restored within a relatively short time. If nothing else, hopefully this blog post will be of use to future generations faced with Postgres index corruption!

Providing security updates for a Linux distribution, such as Debian, involves a lot of work behind the scenes—and requires much more than simply shipping the latest code. On July 15, at DebConf25 in Brest, France, Samuel Henrique walked through the process of providing security updates to users; he discussed how Debian learns about security vulnerabilities, decides on the best response, and the process of sending out updates to keep its users safe. He also provided guidance on how others could get involved.

OPNsense is a FreeBSD-based specialist operating system (and a fork of pfSense) designed for firewalls and routers. It is developed by Deciso B.V. in the Netherlands. Some of the features of OPNsense include forward caching proxy, traffic shaping, intrusion detection, two-factor authentication and easy OpenVPN client setup. The project's focus on security brings a number of unique features, such as the option to use LibreSSL instead of OpenSSL (selectable in the GUI). OPNsense also includes an update mechanism that delivers important security updates in a timely fashion.

The Home Assistant project has published an update on improvements in its Android app, and plans for upcoming releases:

In our latest update of the Android app 2025.7.1, we've added a couple of useful features. Including a new basic invite flow, which will be shared between Android and iOS, adding a good layer of consistency between our most-used companion apps. The idea is to make it much more seamless to add new users or set up new devices (no need to type the URL in your Android Automotive device!).

We've also made My Links work better. If you're unfamiliar with My Links, they're those cool links (that anyone can make) that bring you right to an integration, blueprint, add-on, or settings page. They have always worked great on desktop, but up until recently, they were a bit clunky to use on mobile. Now you can get to the link's destination with a single click.

LWN looked at Home Assistant in May.

Br OS is a Brazilian Linux distribution based on Ubuntu and featuring the KDE Plasma desktop. It is designed as an intuitive, easy-to-use, general-purpose operating system for web navigation and content creation, providing a selection of useful applications for daily use.

Michael Prokop has posted a lengthy list of changes coming in the Debian "trixie" release, due in early August. "As usual with major upgrades, there are some things to be aware of, and hereby I'm starting my public notes on trixie that might be worth for other folks. My focus is primarily on server systems and looking at things from a sysadmin perspective."

Python has recently seen a number of experiments to improve its parallel performance, including exposing subinterpreters as part of the standard library. These allow separate threads within the same Python process to run simultaneously, as long as any data sent between them is copied, rather than shared. PEP 795 ("Deep Immutability in Python") seeks to make efficient sharing of data between subinterpreters possible by allowing Python objects to be "frozen", so that they can be accessed from multiple subinterpreters without copying or synchronization. That task is more difficult than it seems, and the PEP prompted a good deal of skepticism from the Python community.

Security updates have been issued by AlmaLinux (cloud-init, fence-agents, git, kernel, and kernel-rt), Debian (openjdk-11), Fedora (firefox, golang, libinput, transfig, and yasm), Mageia (qtbase5, qtbase6), Red Hat (fence-agents, go-toolset:rhel8, golang, kernel, and python-setuptools), Slackware (mozilla), SUSE (cyradm, gstreamer-plugins-base, and xen), and Ubuntu (gdk-pixbuf, jq, linux-gcp, linux-gcp-6.8, linux-oracle, ruby-sinatra, thunderbird, and unbound).

Liya is an Arch Linux-based, rolling release distribution. The project uses the Calamares system installer to set up the distribution which offers users the Cinnamon desktop environment, Pamac graphical package manager, and OnlyOffice. The system is intended to be easy to use, easy to explore, and distraction-free.

CentOS as a group is a community of open source contributors and users which started in 2003 and has been sponsored by Red Hat since 2014. CentOS Linux versions up to CentOS Linux 8 are 100% compatible rebuilds of Red Hat Enterprise Linux, in full compliance with Red Hat's redistribution requirements. In 2020 it was announced CentOS Linux is being discontinued and replaced with CentOS Stream, a developer-focused distribution which acts as a middle-stream between Fedora and Red Hat Enterprise Linux.

It’s not magic—it just feels like it. Meet Albert, your desktop superpower.

The post Streamline Your Linux Workflow with Albert appeared first on Linux Today.

Git 2.50.1 fixes seven CVEs, including critical flaws in submodule handling, bundle cloning, and GUI tools.

The post Multiple CVEs Patched in Latest Git Update appeared first on Linux Today.

Fedora Linux 43 aims to speed up boot time and reduce disk usage by switching initrd compression to zstd by default.

The post Fedora 43 to Use Zstd Compression for Faster Boot and Smaller Initrd appeared first on Linux Today.

KDE’s Amarok 3.3 music player lands with a switch to Qt6/KF6, a new GStreamer-based audio engine, and better database and emoji support.

The post Amarok 3.3 Music Player Adopts Qt6/KF6 and GStreamer appeared first on Linux Today.

KDE Plasma 6.3.6 enhances tablet and multi-monitor support, updates brightness handling, and fixes notification quirks.

The post KDE Plasma 6.3.6 Desktop Environment Released appeared first on Linux Today.

Wine 10.12 is out with optional EGL backend, Bluetooth Low Energy support, and various bug fixes, including improvements for games and system utilities.

The post Wine 10.12 Brings Optional EGL Backend appeared first on Linux Today.