The Ubuntu team has announced new point releases for Ubuntu 16.04 LTS and 18.04 LTS series, with Ubuntu 16.04.7 and Ubuntu 18.04.5 as the latest point versions with long-term support.
While Ubuntu 18.04.5 is available for all Ubuntu variants, like Desktop, Server, and Cloud; including for the other flavors. And Ubuntu 16.04.7 is only available for Desktop, Server and the Ubuntu Kylin flavor as a result of the end-of-life of the other community flavors.
The previous version, Ubuntu 16.04.6 included patches for various security flaws, with v16.04.7 having updated installation media to mitigate the BootHole vulnerability in the GRUB bootloader. Similarly, the successor to Ubuntu 18.04.4, v18.04.5 also includes bug fixes for stability and compatibility to Ubuntu 18.04 LTS.
What's new in Ubuntu 16.04.7 LTS And 18.04.5 LTS Point Version Releases
Ubuntu 20.04.1 LTS mainly includes security and hardware updates, like the recent BootHole bug that affected most of the Linux distributions via GRUB2 bootloader with Secure Boot. And Ubuntu 18.04.5 also includes bug fixes for stability and compatibility to Ubuntu 18.04 LTS.
The first point releases also include all security updates from the Ubuntu Security Notice list affecting Ubuntu 18.04 LTS. Also, Ubuntu 18.04.5 LTS brings the much awaited new Hardware Enablement Stack (HWE), which often comes with first point releases.
The enablement stacks comes by installing the latest Ubuntu LTS point release media; and for other Ubuntu flavors, such as Kubuntu 18.04.5 LTS, Ubuntu MATE 18.04.5 LTS, Ubuntu Budgie 18.04.5 LTS, Lubuntu 18.04.5 LTS, Xubuntu 18.04.5 LTS, and Ubuntu Kylin 18.04.5 LTS, all now have HWE.
How to Upgrade to Ubuntu 16.04.7 LTS And 18.04.5 LTS Point Version Releases
The ISO image of Ubuntu 16.04.7 and Ubuntu 18.04.5 are now available for download on the official website. And for existing users of Ubuntu 14.04 LTS or 16.04 LTS point versions, you'll get the option of automatic upgrade to 16.04.7 or 18.04.5 via the Update Manager.
Canonical will offer a 5-year support for Ubuntu 18.04.5 on Desktop, Server, Cloud, and Base until 2023, while for Ubuntu 16.04.7. until 2021. But, all the other Ubuntu flavors will be supported for only 3 years.