Ubuntu 25.10 "Questing Quokka" reached its end of life on July 9, 2026, meaning it no longer receives security updates or active package support. Users still on this interim release are encouraged to upgrade to Ubuntu 26.04 LTS "Resolute Raccoon," which offers five years of maintenance and can be accessed via the Software Updater. The new LTS version includes updates such as GNOME 50 and improved performance features, while also discontinuing support for X11. With the risks of running an unpatched OS, users are advised to migrate promptly to ensure system security and stability

Ubuntu 25.10 'Questing Quokka' Hits EOL: Time to Upgrade to Ubuntu 26.04 LTS

Ubuntu 25.10 "Questing Quokka" officially hit its end of life on July 9, 2026, cutting off security patches and active package repositories. If your machine is still running the interim release, you’re exposing yourself to growing vulnerabilities with no official fixes in sight. Canonical recommends pushing the upgrade directly to Ubuntu 26.04 LTS "Resolute Raccoon" through the standard Software Updater, which guarantees five years of free maintenance.

Ubuntu 25.10 'Questing Quokka' Hits EOL: Time to Upgrade to Ubuntu 26.04 LTS @ Linux Compatible