"Reclaim" is the task of finding memory that can be taken away from its current user and put to better uses within the system; it is a core part of the memory-management picture. The addition of the multi-generational LRU (MGLRU) was meant to provide a better reclaim implementation than the "traditional LRU" that preceded it, but MGLRU has complicated the situation instead. No fewer than three memory-management-track sessions at the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit were focused on MGLRU, with an eye toward integrating it more fully, improving its performance, and addressing some problems encountered with Android systems.

Security updates have been issued by AlmaLinux (kernel, libpng, nginx, nginx:1.24, ruby, and ruby:3.3), Debian (gnutls28 and linux-6.1), Fedora (dnsmasq, kernel, keylime-agent-rust, perl-Net-CIDR-Lite, python-pysam, python-urllib3, rust-cargo-vendor-filterer, rust-ingredients, rust-oo7-cli, rust-rpki, rust-sevctl, and rust-tealdeer), Mageia (bind), Oracle (bind, giflib, gimp:2.8, kernel, libpng, rsync, ruby, and vim), Slackware (haveged and mozilla), SUSE (cockpit, dnsmasq, erlang26, freeipmi, git-bug, glibc, GraphicsMagick, haveged, ImageMagick, iproute2, kernel, openssh, perl-CryptX, perl-HTTP-Tiny, postgresql14, postgresql15, postgresql16, python-Pillow, rsync, tiff, and traefik), and Ubuntu (Highlight.js, linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-raspi, linux-realtime, linux, linux-aws, linux-aws-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp, linux, linux-aws, linux-aws-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm, linux-oracle, linux, linux-aws, linux-aws-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8, linux, linux-aws, linux-hwe-6.17, linux-oem-6.17, linux-oracle, linux-raspi, linux-realtime, linux-realtime-6.17, and smarty3).

The OpenPGP Email Summit is an annual meeting for those who work on encrypted email and related topics. The tenth installment of this meeting took place in March 2026 and the minutes have now been published. As usual, a wide range of topics were discussed. Highlights included support for post-quantum cryptography (PQC) with multiple actors planning rollouts within this year, a promising new approach for making email signatures ubiquitous with the plan of making OpenPGP signed email a default, a new draft that brings reliable deletion (or "forward secrecy") features to OpenPGP, as well as a plan for transferring ownership of the OpenPGP.org domain.

Version 151.0 of the Firefox browser has been released. Significant changes include the ability to clear and restart a private-browsing session, better fingerprinting protection, control over the apparent location when using the Firefox VPN, and more.

Many people in the Linux community began using the operating system—and contributing to open source—at a tender age, often well before their 16th birthday. Thus, a recent change in openSUSE's terms of site (ToS) that required users of the project's web site to be "at least 16 years of age or the age of majority" in their jurisdiction has raised objections. The terms have since been modified, though users must still have parental approval to create accounts if they are younger than 16.