Quarkos is a desktop Linux distribution based on Ubuntu's long-term support branch, with a choice of two user interfaces - the modern KDE Plasma desktop or the lightweight Trinity desktop environment (a fork of KDE 3.5). It is a sister project of the Debian-based Q4OS distribution.
Quick facts
What is the latest version of Quarkos?
The latest tracked version of Quarkos is 26.04, released May 21, 2026.
How many Quarkos releases does OS.watch track?
OS.watch tracks 1 Quarkos release, the earliest from 2026.
Release history
1 releasesVersionCodenameReleased
26.04Latest
2026-05-21