Your Hardware Enablement Stack (HWE) is supported until...
What does this mean?
I got this message when i logged into my Ubuntu 20.04.2 LTS terminal the other day.
Your Hardware Enablement Stack (HWE) is supported until April 2025.
You can also check the message with the command
hwe-support-status --verbose
According to the wiki it means.
The Ubuntu LTS enablement (also called HWE or Hardware Enablement) stacks provide newer kernel and X support for existing Ubuntu LTS releases. These enablement stacks can be installed manually but are also available when installing with Ubuntu LTS point release media.