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The Power Management and Scheduling in the Linux Kernel Summit, which still goes by the historical acronym OSPM, was held in Cambridge, UK, in mid-April. As has become traditional, the presenters at that event have since written summaries of their sessions, and this work has kindly been made available to LWN for publication. The first day's sessions covered a wide range of topics, including idle-state selection, user-space schedulers with sched_ext, lock-holder preemption, and much more.

Security updates have been issued by AlmaLinux (389-ds:1.4, kernel, and kernel-rt), Debian (gst-libav1.0, gst-plugins-good1.0, imagemagick, kernel, libconfig-inifiles-perl, libgd-perl, libhttp-daemon-perl, mediawiki, pillow, and squid), Fedora (389-ds-base, alertmanager, ansible-core, buildah, chromium, erlang-cowboy, erlang-cowlib, erlang-gun, freerdp, kubernetes1.33, kubernetes1.34, kubernetes1.35, mingw-SDL2_image, ongres-scram, ongres-stringprep, openssl, perl-Config-IniFiles, perl-Crypt-PBKDF2, podman, postgresql-jdbc, python3.13, strongswan, webkitgtk, xdg-desktop-portal, and yt-dlp), Red Hat (osbuild-composer), SUSE (alloy, amazon-ssm-agent, ansible-core, apache-sshd, jpgpj, azure-storage-azcopy, chromedriver, containerized-data-importer, firefox, glibc, graphite2, inspektor-gadget, kubevirt, lemon, openvswitch, python-starlette, python311, python311-joserfc, python313, and tinyproxy), and Ubuntu (netatalk).

Version:next-20260622 (linux-next) Released:2026-06-22

DESERT OS Linux is a Ukrainian desktop Linux distribution based on Ubuntu and featuring the Xfce desktop. It supports Pacstall, a package manager inspired by Arch's AUR and capable of creating native Ubuntu DEB packages from source and binary packages, git repositories, AppImage apps, release artifacts and non-Ubuntu DEB packages. The distribution also offers out-of-the box support for Flatpak packages.

Milis Linux is an independently-developed Linux distribution supported by Akdeniz University in Antalya, Turkey. It is built using the Linux From Scratch (LFS) project and it includes a custom package management utility called Milis Paket Sistemi (MPS). Milis Linux deploys Wayland as the default graphic server with the labwc window-stacking compositor, the Waybar Wayland bar and Sakura terminal emulator to create a functional desktop user interface.

AOSC OS an independently maintained Linux distribution based on the Linux kernel and various software components, using a custom package manager called oma which works with Deb packages for package management. AOSC OS is targeted at experienced Linux users and optimised for use on personal devices. It aims to provide a solid out-of-the-box experience, simplified system administration and a reliable work environment.

GXDE OS is a desktop-oriented Linux distribution that combines Debian with Deepin Desktop Environment (DDE), developed by the deepin project. It is based on Debian's "Testing" branch. It ships with up-to-date Linux kernel, base system and applications, and it includes a "Spark Store", a software application marketplace with support for Android applications. The distribution is available for the aarch64 and x86_64 processor architectures.

PCLinuxOS is a user-friendly Linux distribution with out-of-the-box support for many popular graphics and sound cards, as well as other peripheral devices. The bootable live DVD provides an easy-to-use graphical installer and the distribution sports a wide range of popular applications for the typical desktop user, including browser plugins and full multimedia playback. The intuitive system configuration tools include Synaptic for package management, Addlocale to add support to many languages and Mylivecd to create a customised live CD.

PorteuX is a Linux distribution based on Slackware Linux, inspired by Slax and Porteus and available to the public for free. Its main goal is to be fast, small, portable (run from a thumb drive), modular and optionally immutable. It is pre-configured for basic usage, including lightweight applications for each one of the seven desktop environments (Cinnamon, GNOME, KDE Plasma, LXDE, LXQt, MATE and Xfce) available. No browser is included, but an app store is provided for downloading any of the most popular browsers, as well as other applications.

CalamaroOS is a Gentoo-based Linux distribution for the desktop, using either KDE Plasma or Xfce desktop environment. It features the Calamares system installer, out-of-the-box support for Flatpak packages, support for BTRFS, XFS and F2FS filesystems, and the systemd software suite for system and service management. The project's goal is to bring the power of Gentoo Linux to an average user by eliminating the complex and time-consuming process associated with the classic Gentoo install method.

butrelinux is an immutable Linux distribution derived from the CentOS-based edition of Bluefin. It features the KDE Plasma desktop. The distribution uses the Anaconda system installer for hard disk installation, includes support for NVIDIA graphics cards, and provides out-of-the-box support for Distrobox containers and Flatpak packages.

VailuxOS is a German, desktop-oriented Linux distribution based on Ubuntu's long-term support (LTS) branch or Debian's "Stable" branch. The project's primary goal is to make the transition from Windows to Linux as seamless as possible by maintaining familiar ways of working and workflows. The distribution uses the KDE Plasma desktop.

Slackel is a Linux distribution and live CD based on Slackware Linux and Salix. It is fully compatible with both. It uses the current version of Slackware and the latest version of the KDE desktop. The Slackel disc images are offered in two different forms - installation and live.

LazyLinux is a Void-based desktop Linux distribution with Xfce as the preferred desktop and a vast collection of pre-installed software. It intends to be user-friendly and usable right after installation. The distribution ships with many popular productivity and multimedia applications, such as Brave browser, Thunderbird email client, LibreOffice office suite, GIMP image manipulation program, Inkscape vector graphics editor, VLC media player and many others. LazyLinux also provides out-of-the-box support for Flatpak packages.

Systemd v261 has been released with a long list of changes, including a new cloud "Instance Metadata Service" (IMDS) subsystem, "boot secret" functionality for use on systems that lack a physical TPM, as well as support for the kernel's Live Update Orchestration (LUO) / Kexec Handover (KHO) systems when they are present and enabled. See the release notes for the full list of changes.

Raspberry Pi OS (formerly Raspbian) is a free operating system based on Debian GNU/Linux and optimised for the Raspberry Pi hardware (the armhf processor architecture). Raspberry Pi OS comes with over 35,000 packages, or pre-compiled software bundled in a nice format for easy installation on a Raspberry Pi. The initial build was completed in June of 2012, but the distribution continues to be active developed with an emphasis on improving the stability and performance of as many Debian packages as possible. Although Debian produces a distribution for the arm architecture, it is compatible only with versions later than the one used on the Raspberry Pi (ARMv7-A CPUs and higher vs the Raspberry Pi's ARMv6 CPU).

BPF programs can be used to extend many aspects the Linux kernel, but BPF programs must run to completion in the same context that they began. Kumar Kartikeya Dwivedi is working on changing that by allowing BPF programs to be expressed as coroutines. He spoke about his work at the 2026 Linux Storage, Filesystem, Memory-Management and BPF Summit. While still experimental, the change promises to make long-running BPF tasks significantly easier to write.

The Arch User Repository (AUR) has been subjected to a sustained attack recently. The attacker, or attackers, have spun up a series of new accounts then used them to adopt orphaned packages and push malicious updates that would install malware on users' systems. It is unclear how many users were compromised in the attack, but the maintainers were playing Whac-A-Mole for several days to respond to each newly compromised package. The project has turned off the AUR's new-user registration, for now, but it is unclear what its long-term response will be or if the AUR can be secured without major changes to its existing collaboration model.

Security updates have been issued by AlmaLinux (dracut), Debian (chromium, firefox-esr, and thunderbird), Fedora (chromium, firefox, nss, ocserv, ongres-scram, ongres-stringprep, perl-Archive-Tar, perl-GD, perl-HTTP-Daemon, perl-Net-Statsd, restic, singularity-ce, util-linux, and vorbis-tools), Mageia (gstreamer1.0-*, libupnp, luajit, opensc, and ruby-rack), SUSE (curl, dnsmasq, ffmpeg-4, frr, google-osconfig-agent, java-1_8_0-ibm, kernel, krb5, kubernetes-old, ldns, liburiparser1, openvswitch, rootlesskit, strongswan, traefik, and trivy), and Ubuntu (ldns, libheif, libnet-cidr-lite-perl, lxd, tomcat11, and vim).

Version:next-20260619 (linux-next) Released:2026-06-19