The package in question is libjs-jquery-ui which is in the universe repository. The universe repository is explicitly community supported only and needs to be enabled as it's not on by default.
Ubuntu Pro promises 10 years of security updates to some of the packages in the universe repo.
In Redhat speak, this is like RH supporting some EPEL packages if you have a subscription.
Ubuntu Pro promises 10 years of security updates to some of the packages in the universe repo.
In Redhat speak, this is like RH supporting some EPEL packages if you have a subscription.