Linux Ubuntu Server 22.04 LTS was released by Canonical on April 21st, 2022. The 22.04 Long Term Service (LTS) release (code named Jammy Jellyfish) is the most mature and feature rich release to date and includes various noteworthy additions and new features.
Canonical releases its LTS and interim Ubuntu versions as per the following release cycle.
The Ubuntu Wiki has more details on each released Ubuntu Server or Ubuntu Desktop version.
By subscribing to Ubuntu Advantage (UA), Canonical clients can receive additional and extended support for their Canonical products including the Ubuntu Server. Run the following command to view details of your UA status.
Ubuntu Server 22.04 LTS comes with the following new features.
- Cloud images for AWS, Azure and GCP with hardening, compliance, extended security and more with Ubuntu Pro
- Kafka, Grafana and Loki joined the growing portfolio of trusted OCI images maintained by Canonical
- OpenSSL 3.0 for modern, general-purpose cryptography and secure communication
- Network acceleration improvements with SmartNIC support in Netplan
- General support for GlusterFS, FRRouting and realmd/adcli under the Ubuntu main component
- Runs on all major architectures: x86-64, ARM v7, ARM64, POWER8, POWER9, IBM s390x (LinuxONE) and RISC-V
- The latest long-term Linux 5.15 kernel for the recent hardware and security updates
- Updates to QEMU (v6.2), libvirt (v8.0), PHP (v8.1), Ruby (v3.0), GCC (V11.2), Python (v3.10.1), MySQL (v8.0.28), OpenLDAP (v.2.5.11), Samba 4.15
Detailed information about the Ubuntu Server 22.04 LTS new features, image download locations and upgrade instructions can be found at https://discourse.ubuntu.com/t/jammy-jellyfish-release-notes/24668.
Step-by-step guidance on how to upgrade your existing Ubuntu Server or Ubuntu Desktop to the latest 22.04 LTS release can be found in the following KB post: https://stefanos.cloud/kb/how-to-upgrade-linux-ubuntu-to-latest-major-release/.