The 270th installment of the 9to5Linux Weekly Roundup is here, bringing you important updates from the Linux world for the week ending December 14, 2025.
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This week saw significant new releases across various platforms, including the Firefox web browser, Thunderbird email client, and multiple Linux distributions focused on ethical hacking like Parrot and Kali Linux. Additionally, desktop environments such as KDE Plasma and Cinnamon have also rolled out updates, alongside improvements to the NVIDIA graphics driver and tools like Raspberry Pi Imager.
Highlights of this week’s news include:
- Firefox 146 released with native support for fractional scaling on Wayland.
- KDE Plasma 6.5.4 has implemented numerous bug fixes.
- Parrot 7.0 Beta switches to KDE Plasma as the default desktop.
- Thunderbird 146 introduces a UI for configuring OpenPGP keyservers.
- System76 launched the first stable release of their COSMIC desktop with Pop!_OS 24.04 LTS.
Other notable releases include:
- AerynOS 2025.12, with GNOME 49.2 and KDE Plasma 6.5.4.
- KDE Gear 25.12 featuring many improvements for KDE applications.
- NVIDIA 580.119.02 graphics driver with various fixes.
For those interested in new distros, here are some that were released this week:
Next week, we can look forward to the release of SparkyLinux 2025.12, among other exciting updates.