Ubuntu 20.04 is an LTS release that offers five years of support, until April 2021
The new update of Ubuntu 20.04.5 LTS was already released several days ago and it includes changes related to improved hardware support, updates to the Linux kernel, and the graphics stack.
This new update released, includes the latest updates for several hundred packages to address vulnerabilities and stability issues, plus similar updates are released for Ubuntu Budgie 20.04.5 LTS, Kubuntu 20.04.5 LTS, Ubuntu MATE 20.04.5 LTS, Ubuntu Studio 20.04.5 LTS, Lubuntu 20.04.5 LTS , Ubuntu Kylin 20.04.5 LTS and Xubuntu 20.04.5 LTS.
This fifth version point brings together all the software updates published to date, as well as the various security patches and the extensive bug-fixing work.
What changes are introduced in Ubuntu 20.04.5 LTS?
This new point update is presented for this LTS version of Ubuntu includes some supported improvements since Ubuntu 22.04 release, such as that kernel 5.15 packages are now offered (Ubuntu 20.04 uses kernel 5.4, 20.04.4 also offers kernel 5.13).
Unlike kernel 5.4 (which is the default kernel in Ubuntu 20.04), the Kernel 5.15 offers un new NTFS driver with write support, ksmbd module with SMB server implementation, DAMON subsystem to monitor memory access, lock primitives for real-time mode, fs-verity support on Btrfs
Desktop builds (Ubuntu Desktop) have a new kernel and graphics stack by default. For server systems (Ubuntu Server), the new kernel is added as an option in the installer.
In addition, For modern Intel processors, a new cooling controller has been won, Initial support was also provided for this manufacturer's new systems, the Alder Lake-S brand (12th generation).
On the part of updating the components of the graphics stack, we can find that Mesa 22.0 drivers have been included, that were tested in the Ubuntu 22.04 version and in which new versions of video drivers for Intel, AMD and NVIDIA chips have been added and that we can find, for example, that the drivers Intel GPUs are enabled by default to support Adaptive-Sync (VRR), allowing you to adaptively change your monitor's refresh rate for smooth, stutter-free output, as well as support for the Vulkan 1.3 graphics API.
Other changes that we can find are the updated versions from package ceph 15.2.16, PostgreSQL 12.10, ubuntu-advantage-tools 27.10, openvswitch 2.13.8, modemmanager 1.18, cloud-init 22.2, snapd 2.55.5.
Finally If you are interested in knowing more about it, you can check the details In the following link.
How to update to the new Ubuntu 20.04.5 LTS update?
For those who are interested and are on Ubuntu 20.04 LTS, they can update their system to the new update released by following these instructions.
It is worth mentioning that using new builds only makes sense for new installations- Previously installed systems can get all the changes present in Ubuntu 20.04.5 through the regular update installation system.
Unlike previous LTS releases, the new kernel and graphics stack releases will be involved in existing Ubuntu Desktop 20.04 installations by default, and are not offered as options. To revert to the base 5.4 kernel, run the command:
sudo apt install --install-recomienda linux-generic
If they are Ubuntu Desktop users, just open a terminal on the system (they can do it with the shortcut Ctrl + Alt + T) and in it they will type the following command.
sudo apt update && sudo apt upgrade
At the end of the download and installation of all the packages, although it is not necessary, we recommend that you restart the computer.
Now for those who are Ubuntu server users, the command they must type is the following:
sudo apt install --install-recommends linux-generic-hwe-20.04
Finally, if you are interested in knowing more about this LTS release, you can consult the details In the following link.