Ubuntu Core 26 Released With Live Kernel Patching, Better OTA Updates
Ubuntu Core 26 has been released, featuring significant upgrades for enterprises. The new version includes live kernel patching, reduced installation times, and smaller over-the-air updates. Additionally, it aims to comply with the EU Cyber Resilience Act and introduces a new build system for better Snap assembly control.
- ▪Ubuntu Core 26 is Canonical's minimal, immutable OS designed for enterprises.
- ▪The release includes live kernel patching and 90% smaller OTA updates.
- ▪It features a new Chisel-based build system for improved Snap assembly.
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Ubuntu Core 26 Released With Live Kernel Patching, Better OTA Updates Written by Michael Larabel in Ubuntu on 19 May 2026 at 09:01 AM EDT. Add A Comment Following last month's release of Ubuntu 26.04 LTS, Canonical today released Ubuntu Core 26. Ubuntu Core 26 as their minimal, immutable OS with up to 15 years of security maintenance for enterprises brings many upgrades to the platform. Ubuntu Core 26 features reduced installation times, 90% smaller over-the-air (OTA) updates, the latest in Snap packaging, live kernel patching, and security enhancements. Ubuntu Core 26 also introduces a new Chisel-based build system for better control over how future Core base Snaps are assembled. Additionally, Ubuntu Core 26 aims to comply with the EU Cyber Resilience Act.
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