Generated distribution update Ubuntu 20.04 .2 LTS , which includes changes to improve hardware support, Linux kernel and graphics stack updates, installer and boot loader bugs. It also includes up-to-date updates for several hundred packages to address vulnerabilities and stability issues . At the same time, similar updates are presented to Ubuntu Budgie 20.04.2 LTS, Kubuntu 20.04.2 LTS, Ubuntu MATE 20.04.2 LTS, Ubuntu Studio 20.04.2 LTS, Lubuntu 20.04.2 LTS, Ubuntu Kylin 20.04.2 LTS and Xubuntu 20.04.2 LTS.
included some improvements backported from Ubuntu 20.10 release:
- Proposed package update with kernel 5.8 (Ubuntu 20.04 and 20.04.1 used kernel 5.4).
- Updated graphics stack components including X.Org Server 1.20.9, libdrm 2.4.102, and Mesa 20.2.6, which were tested in the fall release of Ubuntu 20.10. New versions of video drivers for Intel, AMD and NVIDIA chips have been added.
- Updated versions of GNOME 3.36.8, LibreOffice 6.4.5, libfprint 1.90.2, snapd 2.46, ceph 15.2.7 packages.
In builds for the desktop, a new kernel and graphics stack are offered by default. For server systems, a new kernel has been added as an option in the installer. It makes sense to use new assemblies only for new installations – systems installed earlier can receive all changes present in Ubuntu 20.04.2 through the standard update installation system. Users of the previous LTS branch of Ubuntu 18.04 will receive a notification in the update installation manager that they can automatically switch to the 20.04.2 branch.
Recall that for the delivery of new versions of the kernel and graphics stack the rolling model of support for updates is applied, according to which the backported kernels and drivers will only be supported until the next fix update for the Ubuntu LTS branch. For example, the Linux 5.8 kernel proposed in the current release will be supported until Ubuntu 20.04.3, which will offer a kernel from Ubuntu 21.04. The originally shipped base 5.4 kernel will be supported for a full five-year maintenance cycle.
Unlike past LTS releases, newer kernel and graphics stack versions will enabled in existing Ubuntu Desktop 20.04 installations by default rather than offered as options. To rollback to the base 5.4 kernel, run the command:
sudo apt install –install-recommends linux-generic
To install a new kernel on Ubuntu Server, run: