formed Updating distribution kit Ubuntu 20.04.3 LTS , which includes changes related to improving equipment support, the update of the Linux kernel and a graphical stack, correcting errors in the installer and loader. The composition also includes topical updates for several hundred packets associated with the elimination of vulnerabilities and Problems , affecting stability. At the same time, similar Ubuntu Budgie updates 20.04.3 LTS, Kubuntu 20.04.3 LTS, Ubuntu Mate 20.04.3 LTS, Ubuntu Studio 20.04.3 LTS, Lubuntu 20.04.3 LTS, Ubuntu Kylin 20.04.3 LTS and Xubuntu 20.04.3 LTS.
The release of included some improvements, biscorthized from the release of Ubuntu 21.04:
- A package update is proposed with a kernel of version 5.11 (in Ubuntu 20.04 and 20.04.1, a kernel 5.4 was used, and in 20.04.2 – kernel 5.8).
- updated graphics stack components, including X.ORG Server 1.20.11 and Mesa 21.0, which were tested in the release of Ubuntu 21.04. Added fresh versions of video drivers for Intel, AMD and NVIDIA chips.
- updated versions of GNOME 3.36.9 packages, GCC 10.3.0, Python 3.8.10, LibreOffice 6.4.7, Containerd 1.5.2, CEPH 15.2.13, Snapd 2.49, Cloud-Init 20.4.
in builds Desktop new kernel and graphic stack are offered by default. For server systems, the new kernel is added as an option in the installer. Use new builds makes sense only for new installations – systems installed earlier may receive all those present in Ubuntu 20.04.3. Changes through the standard update installation system.
Recall that for the delivery of new versions of the kernel and graphics stack Applies Rolling-Model Support Model, in accordance with which biscorthized The kernels and drivers will be maintained only before the release of the next corrective update of the Ubuntu LTS-branch. For example, the Linux 5.11 kernel proposed in the current release will be supported before the Ubuntu 20.04.4 exit, in which the kernel from Ubuntu 21.10 will be proposed. Initially supplied basic kernel 5.4 will be maintained throughout the five-year maintenance cycle.
Unlike past LTS issues, new versions of the kernel and graphics stack will are involved in the available installations of Ubuntu Desktop 20.04 by default and not proposed in the form of options. To roll back the basic kernel 5.4, you must execute the command:
Sudo Apt Install –Install-Recommends Linux-Generic
To install the new kernel in Ubuntu Server, you should start: