Canonical seems to keep "security" updates hostage for Ubuntu 20.04 LTS user unless one subsribes to some additional service.
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Reading state information... Done
Calculating upgrade... Done
The following security updates require Ubuntu Pro with 'esm-apps' enabled:
mc libzmq5 mc-data libsdl2-2.0-0 libmysofa1 ansible
Learn more about Ubuntu Pro at https://ubuntu.com/pro
The following packages will be upgraded:
ubuntu-advantage-tools
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
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