Ubuntu Server 21.04 was released. This latest development cycle brings:

• phased updates
• native support for Microsoft SQL Server on 20.04 LTS
• Hardware Enablement (HWE) advanced networking stack for all LTS Ubuntu versions
• stability updates to HA stack, including pacemaker and corosync
• Linux kernel 5.11
• application updates

»The DebOps project is a set of Free and Open Source tools that let users bootstrap and manage an IT infrastructure based on Debian or Ubuntu operating systems.«

Canonical released Ubuntu Core 20, it’s minimal, containerized version of Ubuntu 20.04 LTS.