# Canonical restarts development of immutable Ubuntu Core Desktop flavor

> **Key takeaway:** Canonical is forming a dedicated team to revive Ubuntu Core Desktop, an immutable OS built entirely on Snap packages.

**Published:** 2026-11-10T08:15:10+00:00 
**Source:** Linux Today 
**Category:** distro-news 
**Canonical URL:** https://fosswire.org/news/canonical-restarts-development-of-immutable-ubuntu-core-desk.html 

## Summary
Canonical has announced the revival of Ubuntu Core Desktop, a project that had remained largely dormant since its initial developer preview in 2023. The company has assembled a new cross-functional team specifically to resume development and move the project forward.

This specialized desktop flavor is designed to be an immutable operating system. It aims to provide a more resilient and secure user experience by utilizing the Snap packaging format for the entire system stack, ranging from the bootloader and kernel up to the application layer.

## Architecture of Ubuntu Core Desktop
- **Immutability Model:** The OS is designed as an immutable system, which typically implies a read-only root filesystem to enhance stability and security.
- **Snap-Centric Stack:** Unlike standard Ubuntu releases, this flavor intends to use Snaps for all core components, including the bootloader and the Linux kernel.
- **Security Focus:** The architecture leverages the isolation properties of Snaps to create a more resilient desktop environment against system corruption and unauthorized changes.

## Why it matters
The revival of Ubuntu Core Desktop signals Canonical's renewed commitment to the immutable desktop market, competing with projects like Fedora Silverblue. If successful, it will push the adoption of the Snap ecosystem deeper into the core system components of the Linux desktop.