Re: To PostgreSQL in Debian
> xenial will be removed from apt.postgresql.org at the end of August
> 2022. If you are still on xenial, upgrade! Or update your sources.list
> files to point at apt-archive.postgresql.org.
>
> impish (21.10) will follow shortly once it's EOL.
This has happened now, xenial and impish have been removed from
apt.postgresql.org.
At the same time, Ubuntu kinetic has been added and will be filled
with content over the next days.
Christoph