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Version 1.86.0 of the Rust language has been released. Changes include support for trait upcasting, the ability to index multiple elements of HashMaps and slices mutably, and a number of stabilized APIs.

Security updates have been issued by AlmaLinux (expat), Debian (chromium, commons-vfs, firefox-esr, php-horde-editor, php-horde-imp, and thunderbird), Fedora (corosync, firefox, nextcloud, and suricata), Mageia (curl and upx), Oracle (emacs, fence-agents, freetype, kernel, libreoffice, libxml2, nginx:1.24, podman, python-jinja2, and tigervnc), Red Hat (firefox and python-jinja2), SUSE (assimp, ffmpeg-4, firefox, ghostscript, GraphicsMagick, libxslt, and tomcat), and Ubuntu (linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-meta-raspi, linux-nvidia-tegra, linux-oracle, linux-oracle-5.15, linux-raspi, linux, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp, linux-fips, linux-fips, linux-aws-fips, linux-gcp-fips, linux-hwe-5.15, and linux-realtime, linux-intel-iot-realtime).

Version:next-20250403 (linux-next) Released:2025-04-03

Inside this week's LWN.net Weekly Edition:

• Front: Calibre 8.0; Fedora reproducibility; OpenWrt One; 6.15 Merge Window; LSFMM+BPF coverage including BPF in GCC, Rust merging process, and more.
• Briefs: Ubuntu namespaces; New FPL; PorteuX 2.0; Firefox 137.0; GCC Rust; Rockbox 4.0; Rust specification; Thundermail; Dave Täht RIP; Quotes; ...
• Announcements: Newsletters, conferences, security updates, patches, and more.

Saying that calibre is ebook-management software undersells the application by a fair margin. Calibre is an open-source Swiss Army knife for ebooks that can be used for everything from creating ebooks, converting ebooks from obscure formats to modern formats like EPUB, to serving up an ebook library over the web. The most recent major release, calibre 8.0, brings a better text-to-speech engine, a tool for creating audio overlays when authoring ebooks, support for profiles in the ebook viewer, and more.

José Marchesi and David Faust kicked off the BPF track at the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit with an extra-long session on what they have been doing to support compiling to BPF in GCC. Overall, the project is slowly working toward full support for BPF, with most of the self-tests now passing using Faust's in-progress patches. However, the progress toward that goal has turned up a number of problems with how Clang supports BPF that needed to be discussed at length to find a path forward for both projects.

Ryan Sipes has announced efforts to expand Thunderbird's offerings with web services to "enhance the experience of using Thunderbird".

The Why for offering these services is simple. Thunderbird loses users each day to rich ecosystems that are both clients and services, such as Gmail and Office365. These ecosystems have both hard vendor lock-ins (through interoperability issues with 3rd-pary clients) and soft lock-ins (through convenience and integration between their clients and services). It is our goal to eventually have a similar offering so that a 100% open source, freedom-respecting alternative ecosystem is available for those who want it.

The planned services include hosted email, appointment scheduling, a revival of Firefox Send, and (of course) an AI assistant based on a partnership with Flower AI. The AI features will "always be optional for use by people who want them". Sipes is managing director of product for Thunderbird's parent organization, MZLA Technologies Corporation. LWN covered his GUADEC 2024 keynote last July.

Outgoing Fedora Project Leader (FPL) Matthew Miller has announced his successor, Jef Spaleta.

Some of you may remember Jef's passionate voice in the early Fedora community. He got involved all the way back in the days of fedora.us, before Red Hat got involved. Jef served on the Fedora Board from July 2007 through the end of 2008. This was the critical time after Fedora Extras and Fedora Core merged into one Fedora Linux where, with the launch of the "Features" process, Fedora became a truly community-led project.

Spaleta will be joining Red Hat full time in May and Miller will be formally handing off FPL duties at the Flock conference in June.

Version 2.0 of PorteuX, a distribution based on Slackware Linux, has been released. This release adds the ability to test experimental Wayland sessions for the Cinnamon, LXQt, and Xfce desktops. PorteuX 2.0 updates the Linux kernel to 6.14 and includes many package updates and bug fixes. Users have the choice of PorteuX stable or its rolling release called current. See the install.txt for instructions on installing PorteuX to disk.

The CPU's translation lookaside buffer (TLB) caches the results of virtual-address translations, significantly speeding memory accesses. TLB misses are expensive, so a lot of thought goes into using the TLB as efficiently as possible. Reducing pressure on the TLB was the topic of Rik van Riel's memory-management-track session at the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit. Some approaches were considered, but the session was short on firm conclusions.

In our previous article, we explored the top 5 command line archive tools, including tar, shar, ar, cpio, and gzip.

In this follow-up, we will cover 5 more archiving and compression utilities that are useful for various scenarios, along with their features, options, and practical examples.

The post 5 Advanced Archive Tools for Linux Command Line – Part 2 appeared first on Linux Today.

On systemd-based Linux distributions, managing and restarting services automatically after a failure is relatively straightforward. However, many older or minimal Linux systems rely on alternative init systems such as SysVinit and Upstart, which require different approaches to manage and restart services.

In this guide, we’ll explore how to automatically restart a failed service on non-systemd systems using SysVinit and Upstart.

The post How to Automatically Restart a Service After Failure on SysVinit and Upstart appeared first on Linux Today.

In this article, you will discover different ways to install the Telegram desktop client on Linux, including steps to enable dark mode.

The post How to Install Telegram on Ubuntu (and Other Linux Distros) appeared first on Linux Today.

For those of you who still have dedicated audio players: version 4.0 of Rockbox, a replacement firmware for many players, has been released. This release brings support for a number of new devices, updated codecs, a number of user-interface improvements, some new games, and more. (LWN last reviewed Rockbox in 2010 — and looked at the ill-fated Android port that year as well).

Discover a step-by-step guide to check if your Linux system is running on Systemd or some other init system with practical examples.

The post How to Find Your Linux System Running on Systemd appeared first on Linux Today.

Kumander Linux delivers a Windows 7-style desktop while running on Debian stable, for those who prefer a classic desktop experience.

The post Kumander Linux: A Windows 7 Nostalgia Trip appeared first on Linux Today.

Security updates have been issued by Debian (firefox-esr, jetty9, openjpeg2, and tomcat9), Fedora (dokuwiki, firefox, php-kissifrot-php-ixr, php-phpseclib3, and rust-zincati), Red Hat (kernel and pki-core), Slackware (mozilla), SUSE (apparmor, atop, docker, docker-stable, firefox, govulncheck-vulndb, libmodsecurity3, openvpn, upx, and warewulf4), and Ubuntu (inspircd, linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, linux-oracle, linux-oracle-6.8, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure-6.8, linux-hwe-6.8, linux-raspi, linux-realtime, nginx, phpseclib, and vim).

GIMP 3.0.2 is out with bug fixes, improved macOS and Windows support, and UI refinements, marking the first micro-release of the 3.0 series.

The post GIMP 3.0.2 Fixes Key Bugs, Enhances macOS and Windows Support appeared first on Linux Today.

Less than a week after IBM announced that it was donating three open source AI tools to the Linux Foundation, FOSS Force learns that Kubernetes-focused Mirantis is is the process of donating a couple of project to CNCF.

The post Mirantis Is Giving Two Kubernetes Projects to CNCF appeared first on Linux Today.

iMovie is a free video editing application which is designed to be friendly to users with limited or no video editing experience. We recommend the best free and open source alternatives for Linux.

The post Best Free and Open Source Alternatives to Apple iMovie appeared first on Linux Today.