Like previous LTS series, 20.04.3 includes hardware enablement stacks for use on newer hardware. This support is offered on all architectures. Ubuntu Server defaults to installing the GA kernel; however you may select the HWE kernel from the installer bootloader. As usual, this point release includes many updates, and updated installation media has been provided so that fewer updates will need to be downloaded after installation. These include security updates and corrections for other high-impact bugs, with a focus on maintaining stability and compatibility with Ubuntu 20.04 LTS.
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