Canonical recommends that Ubuntu 23.10 users upgrade to Ubuntu 24.04 LTS by July 11, 2024 to continue receiving security updates. suggests. Let us point out that Ubuntu upgrades are simple, fast and hassle-free, so backing up and updating your data now would be a good choice.
As an interim release, Ubuntu 23.10 (Mantic Minotaur) is supported for only nine months, versus five years for long-term releases. Ubuntu 23.10 was released on October 12, 2023, so for nine months its end-of-life was set for July 11.
Ubuntu 24.04 LTS will be supported for five years. So you won’t need to upgrade again anytime soon. You can even skip Ubuntu 26.04 LTS and wait for Ubuntu 28.04 LTS in 2028 before upgrading.
Canonical also made a security change in this update. So the kernel supports an additional mode that forces programs to use an AppArmor Profile that uses non-privileged user namespaces. This helped fix major security vulnerabilities.
You can use the Update Manager to upgrade to Ubuntu 24.04 LTS.
