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Sasha Levin has announced the release of the 6.12.76, 6.6.129, and 6.1.166 stable kernels. These releases address a regression reported by Peter Schneider; Levin said that an upgrade is only necessary for those who have observed a build failure with the 6.12.75, 6.6.128, or 6.1.165 kernels.

The multi-generational LRU (MGLRU) is an alternative memory-management algorithm that was merged for the 6.1 kernel in late 2022. It brought a promise of much-improved performance and simplified code. Since then, though, progress on MGLRU has stalled, and it still is not enabled on many systems. As the 2026 Linux Storage, Filesystem, Memory-Management and BPF Summit (LSFMM+BPF) approaches, several memory-management developers have indicated a desire to talk about the future of MGLRU. While some developers are looking for ways to improve the subsystem, another has called for it to be removed entirely.

Version:6.1.166 (longterm) Released:2026-03-05 Source:linux-6.1.166.tar.xz PGP Signature:linux-6.1.166.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.1.166

Version:6.6.129 (longterm) Released:2026-03-05 Source:linux-6.6.129.tar.xz PGP Signature:linux-6.6.129.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.6.129

Version:6.12.76 (longterm) Released:2026-03-05 Source:linux-6.12.76.tar.xz PGP Signature:linux-6.12.76.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.12.76

Version:next-20260305 (linux-next) Released:2026-03-05

Security updates have been issued by AlmaLinux (go-rpm-macros, libpng, thunderbird, udisks2, and valkey), Fedora (coturn, php-zumba-json-serializer, valkey, and yt-dlp), Red Hat (delve, go-rpm-macros, grafana, grafana-pcp, image-builder, osbuild-composer, and postgresql), Slackware (nvi), SUSE (firefox, glibc, haproxy, kernel, kubevirt, libsoup, libsoup2, libxslt, mozilla-nss, ocaml, python, python-Django, python-pip, util-linux, virtiofsd, wicked2nm,suse-migration-services,suse-migration- sle16-activation,SLES16-Migration,SLES16-SAP_Migration, and wireshark), and Ubuntu (gimp, linux-aws, linux-lts-xenial, linux-aws-fips, linux-azure, linux-azure-fips, linux-fips, nss, postgresql-14, postgresql-16, postgresql-17, and qemu).

KDE neon is a Ubuntu-based Linux distribution and live DVD featuring the latest KDE Plasma desktop and other KDE community software. Besides the installable DVD image, the project provides a rapidly-evolving software repository with all the latest KDE software. Two editions of the product are available - a "User" edition, designed for those interested in checking out the latest KDE software as it gets released, and a "Developer's" edition, created as a platform for testing cutting-edge KDE applications.

SmartOS is an open-source UNIX-like operating system based on illumos, a community fork of OpenSolaris. It features four technologies - ZFS (a combined file system and logical volume manager), DTrace (a dynamic tracing framework for troubleshooting kernel and application problems), Zones (a lightweight virtualisation solution), KVM and bhyve (two full virtualisation solutions for running a variety of guest operating systems, including Linux, Windows, BSD and Plan9). SmartOS is designed to be particularly suitable for building clouds and generating appliances.