On Monday, March 20, 2023, Dávid Suchan <david(dot)suchan(at)student(dot)tuke(dot)sk>
wrote:
> rolname
> -----------
> anon
> api
> heartbeat
> postgres
>
> only the default users..
>
You have an incorrect concept of default here. Only postgres is installed
by community PostgresSQL and thus pg_upgrade is rightfully complaining.
David J.