This Week in TUXEDO OS #05-2026 - TUXEDO Computers

Hello TUXEDO Fans and Open-Source Enthusiasts!

This week, This Week in TUXEDO OS starts with a rather unusual but no less serious topic: the future of the Linux kernel. Linux creator and lead developer Linus Torvalds recently described the kernel community as gray and old – himself included, of course. Even though the 56-year-old shows no signs of retiring after nearly 35 years at the helm, it seems the motto is clear: better safe than a panic merge.

A contingency plan documented on GitHub now defines how Linus Torvalds or other key maintainers could be replaced in an emergency, ensuring continuity and stability of the Linux kernel. The plan’s name: conclave.rst. Apparently, this is as high-level as Linux gets – though the question remains whether white smoke will ever rise from the Linux Foundation headquarters in San Francisco.

Within clearly defined deadlines, a group of participants from the last Maintainer Summit and the Linux Foundation’s Technical Advisory Board will work out options for managing the top-level kernel repository, securing the long-term health of the project and its community.

After this strategic outlook, we return to practical topics as usual. In the current issue, we introduce Tellico, a KDE application for collection management that has been maintained for over 20 years. We also explain the new Firefox default settings in TUXEDO OS 147.0.2 that improve privacy and further refine integration with the KDE desktop environment.

Enjoy reading,
The TUXEDO OS Team

Updates in TUXEDO OS

tuxedo-bt-off-suspend 1.0.1

• The package has been deprecated and replaced by an empty transitional package, as there is no longer any functional need for it.

VirtualBox 7.2.4

• Update to the current upstream build
• Various bug fixes
• Known exception-related issues persist (see the GitHub issue). A fix will only be available with VirtualBox 7.2.6; the corresponding package is already in testing.

Nextcloud Desktop 4.0.6~tux1

• Update to the official upstream release
• Details on changes and bug fixes can be found in the release notes

FreeCiv 3.2.2+ds-1~tux1

• Rebuild of the Debian package
• Fixes dependency issues with libqt6widgets6 and libqt6widgets6t64, among others affecting freeciv-client-qt

tuxedoos-desktop 3.1.8

• Added gv (Ghostscript) as a Recommends dependency to simplify printer driver setup

tuxedo-calamares-configuration 4.1.4

• Prevents the use of empty passwords during installation

nvidia-driver-assistant 0.23tux4

• Initial release
• Enables branch-aware as well as open-/closed-driver–based recommendations for NVIDIA drivers

tuxedo-tomte 2.61.3

• Bug fix to prevent Tomte from accidentally uninstalling modules whose IDs are not detected due to faulty output from lspci or lsusb

linux 6.14.0–123037.37~24.04.1tux2

• Fix for Stellaris Gen7: correct 240 Hz or 300 Hz operation depending on the GPU in use
• Fix for display backlight issues on the InsanityBook 15 v1 and the TUXEDO Book DX1708
• Performance fixes
• InfinityBook Max audio pin fix for reliable headset detection

Firefox 147.0.1~tux3

• Default zoom for PDF viewing set to auto
• XDG Desktop Portal file chooser enabled by default
• Firefox data collection completely disabled
• Pocket integration removed, as the service was discontinued in July 2025

tuxedo-drivers 4.20.1

• Support for TDP settings on the InfinityBook Max 15/16 Gen10 (Intel)

tuxedo-reboot-into-grub 1.0.3

• Changes from 1.0.1: handle KeyboardInterrupt
• Changes from 1.0.2: output of NOW/JETZT in uppercase
• Changes from 1.0.3: updated help texts and man pages to reflect the adjustments from 1.0.2

KDE App of the Week: Tellico – Keep Your Collections in Order

This week, we’re featuring Tellico, a well-maintained application for managing all kinds of collections for over 20 years. Even without the typical „K“ in its name, it is a full-fledged KDE app built on Qt and the KDE frameworks.

Tellico covers many use cases right out of the box – from books, movies, music, and video games to comics, stamps, coins, board games, or wine. You can also create custom collection types with freely definable fields for text, images, dates, checkboxes, or URLs.

For Collectors

Tellico shines when it comes to import and export: it can read metadata from MODS, BibTeX, RIS, CSV, or PDF, and export data to BibTeX, ONIX, CSV, or HTML. You can also pull content directly from online sources like Amazon, IMDb, PubMed, CrossRef, or via z39.50 and SRU servers.

For audio collections, Tellico can fetch CDDB data and automatically scan audio files in formats such as MP3 or OGG. A built-in lending feature helps you keep track of items you’ve lent out.

Installation

Tellico is not preinstalled in TUXEDO OS but is available in the Discover software shop as a Debian package or Flatpak. Alternatively, you can install it via the terminal:

sudo apt update && sudo apt install tellico

The TUXEDO repository currently offers version 4.1.1, while Flathub provides newer releases. Version 4.1.5 was recently published – the last release supporting both Plasma 5 and the new Plasma 6.

TUXEDO OS Tips & Tricks: Privacy and KDE Integration in Firefox

With the update to Firefox 147.0.2 in TUXEDO OS, our developers have adjusted several default settings. The goal is to enhance privacy protection against Mozilla and to integrate Firefox more seamlessly into the system. These changes are applied automatically whenever a new Firefox profile is created – such as when setting up a new TUXEDO device or adding a new user. Users with existing profiles can, however, apply the changes manually.

Improved KDE Integration with Native File Dialogs

Firefox does not rely on external UI toolkits like GTK or Qt for its interface, but on its own technologies. The interface is mainly built using XUL (XML User Interface Language) along with HTML, CSS, and JavaScript. Mozilla’s Quantum engine powers the browser core. This approach simplifies cross-platform development but can limit seamless desktop integration.

On Linux, there is now a simple solution – at least for file dialogs. You may have noticed that Firefox under TUXEDO OS does not use KDE’s native file dialogs by default and does not recognize Dolphin’s bookmarks. This can be fixed in a few steps. Open the advanced configuration via about:config, confirm the security warning, and search for the key widget.use-xdg-desktop-portal.file-picker. Change its value from 2 to 1.

Better Zoom Behavior for PDFs

Firefox’s PDF features are more powerful than many users realize. The built-in viewer allows not only viewing PDFs but also adding annotations, text, drawings, and comments. Filling out and signing PDF forms is also possible – without printing or scanning again. Mozilla provides detailed documentation for these features, for example here or here.

In TUXEDO OS, we have also set pdfjs.defaultZoomValue to auto, so PDFs automatically fit the width of the browser window. On very wide displays, the option pdfjs.spreadModeOnLoad with a value of 2 can be useful. It ensures the first page displays alone, while subsequent pages appear as double pages – ideal for magazines or books.

Ubuntu Security Updates

The security updates listed here from Ubuntu are directly integrated into TUXEDO OS:

• LSN-0117–1: Kernel Live Patch Security Notice: Several security issues were fixed in the kernel.
  IDs: CVE-2025–21647, CVE-2025–22036, CVE-2025–21704, +8 others.
  Affects: Ubuntu 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS.

• USN-7983–1: containerd vulnerabilities: Several security issues were fixed in containerd.
  IDs: CVE-2024–25621, CVE-2025–64329.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS, 16.04 LTS.

• USN-7982–1: FFmpeg vulnerabilities: Several security issues were fixed in FFmpeg.
  IDs: CVE-2025–59728, CVE-2025–63757, CVE-2025–59733, +2 others.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS, 16.04 LTS.

• USN-7981–1: wlc vulnerabilities: Several security issues were fixed in wlc.
  IDs: CVE-2026–22251, CVE-2026–22250.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS.

• USN-7980–1: OpenSSL vulnerabilities: Several security issues were fixed in OpenSSL.
  IDs: CVE-2025–66199, CVE-2025–11187, CVE-2026–22795, +9 others.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS.

• USN-7978–1: GNU Screen vulnerabilities: Several security issues were fixed in GNU Screen.
  IDs: CVE-2023–24626, CVE-2025–46802, CVE-2025–46804, +1 other.
  Affects: Ubuntu 24.04 LTS, 22.04 LTS.

• USN-7977–1: Git LFS vulnerabilities: Several security issues were fixed in Git LFS.
  IDs: CVE-2024–53263, CVE-2025–26625.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS.

• USN-7976–1: Form-Data vulnerability: Form-Data could be made to allow unintended access.
  IDs: CVE-2025–7783.
  Affects: Ubuntu 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS, 16.04 LTS, 14.04 LTS.

• USN-7973–1: cJSON vulnerabilities: Several security issues were fixed in cJSON.
  IDs: CVE-2023–26819, CVE-2023–53154, CVE-2025–57052.
  Affects: Ubuntu 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS.