Vue normale

[$] A more efficient implementation of Shor's algorithm

Par : daroc
17 avril 2026 à 15:53

Shor's algorithm is the main practical example of an algorithm that runs more quickly on a quantum computer than a classical computer — at least in theory. Shor's algorithm allows large numbers to be factored into their component prime factors quickly. In reality, existing quantum computers do not have nearly enough memory to factor interesting numbers using Shor's algorithm, despite decades of research. A new paper provides a major step in that direction, however. While still impractical on today's quantum computers, the recent discovery cuts the amount of memory needed to attack 256-bit elliptic-curve cryptography by a factor of 20. More interesting, however, is that the researchers chose to publish a zero-knowledge proof demonstrating that they know a quantum circuit that shows these improvements, rather than publishing the actual knowledge of how to do it.

[$] The 7.0 scheduler regression that wasn't

Par : corbet
17 avril 2026 à 13:34
One of the more significant changes in the 7.0 kernel release is to use the lazy-preemption mode by default in the CPU scheduler. The scheduler developers have wanted to reduce the number of preemption modes for years, and lazy preemption looks like a step toward that goal. But then there came this report from Salvatore Dipietro that lazy preemption caused a 50% performance regression on a PostgreSQL benchmark. Investigation showed that the situation is not actually so grave, but the episode highlights just how sensitive some workloads can be to configuration changes; there may be surprises in store for other users as well.

Security updates for Friday

Par : jzb
17 avril 2026 à 13:33
Security updates have been issued by AlmaLinux (.NET 8.0, .NET 9.0, freerdp, libarchive, and thunderbird), Debian (chromium, openssh, and thunderbird), Fedora (aurorae, bluedevil, breeze-gtk, buildah, cockpit, extra-cmake-modules, flatpak-kcm, grub2-breeze-theme, kactivitymanagerd, kcm_wacomtablet, kde-cli-tools, kde-gtk-config, kdecoration, kdeplasma-addons, kf6, kf6-attica, kf6-baloo, kf6-bluez-qt, kf6-breeze-icons, kf6-frameworkintegration, kf6-kapidox, kf6-karchive, kf6-kauth, kf6-kbookmarks, kf6-kcalendarcore, kf6-kcmutils, kf6-kcodecs, kf6-kcolorscheme, kf6-kcompletion, kf6-kconfig, kf6-kconfigwidgets, kf6-kcontacts, kf6-kcoreaddons, kf6-kcrash, kf6-kdav, kf6-kdbusaddons, kf6-kdeclarative, kf6-kded, kf6-kdesu, kf6-kdnssd, kf6-kdoctools, kf6-kfilemetadata, kf6-kglobalaccel, kf6-kguiaddons, kf6-kholidays, kf6-ki18n, kf6-kiconthemes, kf6-kidletime, kf6-kimageformats, kf6-kio, kf6-kirigami, kf6-kitemmodels, kf6-kitemviews, kf6-kjobwidgets, kf6-knewstuff, kf6-knotifications, kf6-knotifyconfig, kf6-kpackage, kf6-kparts, kf6-kpeople, kf6-kplotting, kf6-kpty, kf6-kquickcharts, kf6-krunner, kf6-kservice, kf6-kstatusnotifieritem, kf6-ksvg, kf6-ktexteditor, kf6-ktexttemplate, kf6-ktextwidgets, kf6-kunitconversion, kf6-kuserfeedback, kf6-kwallet, kf6-kwidgetsaddons, kf6-kwindowsystem, kf6-kxmlgui, kf6-modemmanager-qt, kf6-networkmanager-qt, kf6-prison, kf6-purpose, kf6-qqc2-desktop-style, kf6-solid, kf6-sonnet, kf6-syndication, kf6-syntax-highlighting, kf6-threadweaver, kgamma, kglobalacceld, kinfocenter, kmenuedit, knighttime, kpipewire, krdp, kscreen, kscreenlocker, ksshaskpass, ksystemstats, kwayland, kwayland-integration, kwin, kwin-x11, kwrited, layer-shell-qt, libexif, libkscreen, libksysguard, libplasma, nix, ocean-sound-theme, oxygen-sounds, pam-kwallet, plasma-activities, plasma-activities-stats, plasma-breeze, plasma-browser-integration, plasma-desktop, plasma-dialer, plasma-discover, plasma-disks, plasma-drkonqi, plasma-firewall, plasma-integration, plasma-keyboard, plasma-login-manager, plasma-milou, plasma-mobile, plasma-nano, plasma-nm, plasma-oxygen, plasma-pa, plasma-print-manager, plasma-sdk, plasma-setup, plasma-systemmonitor, plasma-systemsettings, plasma-thunderbolt, plasma-vault, plasma-welcome, plasma-workspace, plasma-workspace-wallpapers, plasma-workspace-x11, plasma5support, plymouth-kcm, plymouth-theme-breeze, podman, polkit-kde, powerdevil, qqc2-breeze-style, sddm-kcm, skopeo, spacebar, spectacle, thunderbird, and xdg-desktop-portal-kde), Mageia (cockpit-338), Oracle (capstone, cockpit, firefox, fontforge, freerdp, golang-github-openprinting-ipp-usb, kernel, nghttp2, nodejs:20, nodejs:24, openexr, and squid), Red Hat (gnutls, libarchive, libpng, libpng12, libpng15, libtiff, libvpx, libxslt, multiple packages, python, python3, python3.11, python3.12, and python3.9), Slackware (libxml2), SUSE (apache-pdfbox, azure-storage-azcopy, corosync, cups, freerdp, iproute2, libsdb2_4_2, libtpms, NetworkManager, openssl-1_1, ovmf, plexus-utils, python, python-CairoSVG, python-jwcrypto, python-PyJWT, python-pyOpenSSL, python-urllib3, python3, python314, rust1.93, shim, smc-tools, terraform-provider-local, terraform-provider-random, terraform-provider-tls, thunderbird, tiff, util-linux, and vim), and Ubuntu (libowasp-esapi-java, linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux, linux-realtime, linux-aws-fips, linux-fips, linux-gcp-fips, linux-fips, linux-gcp-fips, linux-gcp, linux-gcp-6.17, linux-hwe-5.15, linux-intel-iot-realtime, linux-realtime, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-nvidia-tegra, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-realtime, linux-realtime-6.8, linux-realtime-6.17, ofono, and ruby-rack).

Forgejo 15.0 released

Par : jzb
16 avril 2026 à 15:04

Version 15.0 of the Forgejo code-collaboration platform has been released. Changes include repository-specific access tokens, a number of improvements to Forgejo Actions, user-interface enhancements, and more. Forgejo 15.0 is considered a long-term-support (LTS) release, and will be supported through July 15, 2027. The previous LTS, version 11.0, will reach end of life on July 16, 2026. See the announcement and release notes for a full list of changes.

[$] The first half of the 7.1 merge window

Par : corbet
16 avril 2026 à 13:19
The 7.1 merge window opened on April 12 with the release of the 7.0 kernel. Since then, 3,855 non-merge changesets have been pulled into the mainline repository for the next release. This merge window is thus just getting started, but there has still been a fair amount of interesting work moving into the mainline.

KDE Gear 26.04 released

Par : jzb
16 avril 2026 à 13:17

Version 26.04 of the KDE Gear collection of applications has been released. Notable changes include improvements in the Merkuro Calendar schedule view and event editor, support for threads in the NeoChat Matrix chat client, as well as the ability to add keyboard shortcuts in the Dolphin file manager "to nearly any option in any menu, plugin or extension". See the changelog for a full list of updates, enhancements, and bug fixes.

Security updates for Thursday

Par : jzb
16 avril 2026 à 13:00
Security updates have been issued by AlmaLinux (bind, bind9.16, bind9.18, cockpit, fence-agents, firefox, fontforge, git-lfs, grafana, grafana-pcp, kernel, nghttp2, nginx, nginx:1.24, nginx:1.26, nodejs:20, nodejs:22, nodejs:24, pcs, perl-XML-Parser, perl:5.32, resource-agents, squid:4, thunderbird, and vim), Debian (incus, lxd, and python3.9), Fedora (cef, composer, erlang, libpng, micropython, mingw-openexr, moby-engine, NetworkManager-ssh, perl, perl-Devel-Cover, perl-PAR-Packer, polymake, pypy, python-cairosvg, python-flask-httpauth, and python3.15), Mageia (kernel, kmod-virtualbox, kmod-xtables-addons and kernel-linus), Oracle (\cockpit, bind, bind9.16, bind9.18, firefox, git-lfs, go-toolset:ol8, grafana, grafana-pcp, grub2, kea, kernel, libtiff, nghttp2, nginx, nginx:1.24, nginx:1.26, nodejs22, nodejs24, nodejs:22, nodejs:24, perl-XML-Parser, python3.9, thunderbird, uek-kernel, and vim), Red Hat (delve, go-toolset:rhel8, golang, golang-github-openprinting-ipp-usb, osbuild-composer, and rhc), SUSE (bind, Botan, cockpit, cockpit-subscriptions, expat, flatpak, glibc, goshs, himmelblau, kea, kernel, kubo, libpng16, libssh, log4j, mariadb, Mesa, netty, netty-tcnative, nfs-utils, nghttp2, nodejs20, openssl-3, pam, pcre2, python, python310, python311, python311-aiohttp, python311-rfc3161-client, python313, python36, rubygem-bundler, sqlite3, sudo, tigervnc, tomcat, tomcat10, tomcat11, util-linux, vim, and webkit2gtk3), and Ubuntu (dotnet8, dotnet9, dotnet10, frr, and linux-azure, linux-azure-4.15).

FSF clarifies its stance on AGPLv3 additional terms

Par : jzb
15 avril 2026 à 18:30

OnlyOffice CEO Lev Bannov has recently claimed that the Euro-Office fork of the OnlyOffice suite violates the GNU Affero General Public License version 3 (AGPLv3). Krzysztof Siewicz of the Free Software Foundation (FSF) has published an article on the FSF's position on adding terms to the AGPLv3. In short, Siewicz concludes that OnlyOffice has added restrictions to the license that are not compatible with the AGPLv3, and those restrictions can be removed by recipients of the code.

We urge OnlyOffice to clarify the situation by making it unambiguous that OnlyOffice is licensed under the AGPLv3, and that users who already received copies of the software are allowed to remove any further restrictions. Additionally, if they intend to continue to use the AGPLv3 for future releases, they should state clearly that the program is licensed under the AGPLv3 and make sure they remove any further restrictions from their program documentation and source code. Confusing users by attaching further restrictions to any of the FSF's family of GNU General Public Licenses is not in line with free software.

[$] Forking Vim to avoid LLM-generated code

Par : daroc
15 avril 2026 à 13:51

Many people dislike the proliferation of Large Language Models (LLMs) in recent years, and so make an understandable attempt to avoid them. That may not be possible in general, but there are two new forks of Vim that seek to provide an editing environment with no LLM-generated code. EVi focuses on being a modern Vim without LLM-assisted contributions, while Vim Classic focuses on providing a long-term maintenance version of Vim 8. While both are still in their early phases, the projects look to be on track to provide stable alternatives — as long as enough people are interested.

Security updates for Wednesday

Par : jzb
15 avril 2026 à 13:06
Security updates have been issued by AlmaLinux (capstone, cockpit, firefox, git-lfs, golang-github-openprinting-ipp-usb, kea, kernel, nghttp2, nodejs24, openexr, perl-XML-Parser, rsync, squid, and vim), Debian (imagemagick, systemd, and thunderbird), Slackware (libexif and xorg), SUSE (bind, clamav, firefox, freerdp2, giflib, go1.25, go1.26, helm, ignition, libpng16, libssh, oci-cli, rust1.92, strongswan, sudo, xorg-x11-server, and xwayland), and Ubuntu (rust-tar and rustc, rustc-1.76, rustc-1.77, rustc-1.78, rustc-1.79, rustc-1.80).

Zig 0.16.0 released

Par : jzb
14 avril 2026 à 18:48

The Zig project has announced version 0.16.0 of the Zig programming language.

This release features 8 months of work: changes from 244 different contributors, spread among 1183 commits.

Perhaps most notably, this release debuts I/O as an Interface, but don't sleep on the Language Changes or enhancements to the Compiler, Build System, Linker, Fuzzer, and Toolchain which are also included in this release.

LWN last covered Zig in December 2025.

[$] Tagging music with MusicBrainz Picard

Par : jzb
14 avril 2026 à 15:50

Part of the "fun" that comes with curating a self-hosted music library is tagging music so that it has accurate and uniform metadata, such as the band names, album titles, cover images, and so on. This can be a tedious endeavor, but there are quite a few open-source tools to make this process easier. One of the best, or at least my favorite, is MusicBrainz Picard. It is a cross-platform music-tagging application that pulls information from the well-curated, crowdsourced MusicBrainz database project and writes it to almost any audio file format.

OpenSSL 4.0.0 released

Par : corbet
14 avril 2026 à 15:36
Version 4.0.0 of the OpenSSL cryptographic library has been released. This release includes support for a number of new cryptographic algorithms and has a number of incompatible changes as well; see the announcement for the details.

Security updates for Tuesday

Par : jzb
14 avril 2026 à 13:05
Security updates have been issued by Debian (gdk-pixbuf, gst-plugins-bad1.0, and xdg-dbus-proxy), Fedora (chromium, deepin-image-viewer, dtk6gui, dtkgui, efl, elementary-photos, entangle, flatpak, freeimage, geeqie, gegl04, gthumb, ImageMagick, kf5-kimageformats, kf5-libkdcraw, kf6-kimageformats, kstars, libkdcraw, libpasraw, LibRaw, luminance-hdr, nomacs, OpenImageIO, OpenImageIO2.5, photoqt, python-cryptography, rawtherapee, shotwell, siril, swayimg, vips, and webkitgtk), Red Hat (firefox and podman), Slackware (libarchive), SUSE (expat, glibc, GraphicsMagick, libcap-devel, libpng16, libtpms, nodejs24, openssl-1_0_0, openssl-1_1, openssl-3, openvswitch, polkit, python-requests, python311-biopython, python312, python39, and tigervnc), and Ubuntu (corosync, kvmtool, libxml-parser-perl, linux-azure, linux-azure, linux-azure-6.17, linux-azure, linux-azure-6.8, policykit-1, redis, lua5.1, lua-cjson, lua-bitop, rustc, vim, and xdg-dbus-proxy).

[$] A build system aimed at license compliance

Par : jake
13 avril 2026 à 15:17
The OpenWrt One is a router powered by the open-source firmware from the OpenWrt project; it was also the subject of a keynote at SCALE in 2025 given by Denver Gingerich of the Software Freedom Conservancy (SFC), which played a big role in developing the router. Gingerich returned to the conference in 2026 to talk about the build system used by the OpenWrt One, which is focused on creating the needed binaries, naturally, but doing so in a way that makes it easy to comply with the licenses of the underlying code. That makes good sense for a project of this sort—and for a talk given by the director of compliance at SFC.

Servo now on crates.io

Par : jzb
13 avril 2026 à 14:49

The Servo project has announced the first release of servo as a crate for use as a library.

As you can see from the version number, this release is not a 1.0 release. In fact, we still haven't finished discussing what 1.0 means for Servo. Nevertheless, the increased version number reflects our growing confidence in Servo's embedding API and its ability to meet some users' needs.

In the meantime we also decided to offer a long-term support (LTS) version of Servo, since breaking changes in the regular monthly releases are expected and some embedders might prefer doing major upgrades on a scheduled half-yearly basis while still receiving security updates and (hopefully!) some migration guides. For more details on the LTS release, see the respective section in the Servo book.

Security updates for Monday

Par : jzb
13 avril 2026 à 13:13
Security updates have been issued by AlmaLinux (fontforge, freerdp, libtiff, nginx, nodejs22, and openssh), Debian (bind9, chromium, firefox-esr, flatpak, gdk-pixbuf, inetutils, mediawiki, and webkit2gtk), Fedora (corosync, libcap, libmicrohttpd, libpng, mingw-exiv2, mupdf, pdns-recursor, polkit, trafficserver, trivy, vim, and yarnpkg), Mageia (libpng12, openssl, python-django, python-tornado, squid, and tomcat), Red Hat (rhc), Slackware (openssl), SUSE (chromedriver, chromium, cockpit, cockpit-machines, cockpit-podman, cockpit-tukit, crun, firefox, fontforge-20251009, glibc, go1, helm3, libopenssl-3-devel, libpng16, libradcli10, libtasn1, nghttp2, openssl-1_0_0, openssl-1_1, ovmf, perl-XML-Parser, python-cryptography, python-Flask-HTTPAuth, python311-Django4, python313-Django6, python315, sudo, systemd, tar, tekton-cli, tigervnc, util-linux, and zlib), and Ubuntu (mongodb, qemu, and retroarch).
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