Upgrade from 18.04 to 20.04 (error in the description of release notes)

[lah7]

Thanks, but -d would be a bad idea since it's usually to upgrade to development releases. In future, a new cycle will start for 20.10 and users following this advise would end up on the wrong version.

See also:

Upgrade to 20.04

Yeah, it could take a few hours (or even days) for all mirrors to sync across the world. Changing the server in Software & Updates to point to Main server and refresh your sources might accelerate things. At this time, it's okay to use the -d flag since 20.04 was just released and this just bypasses the check to stop users upgrading to what would normally be a development branch. If I remember, users on 18.04 won't see an invitation to upgrade to 20.04 until the first poin…