Re: pg_upgrade from 12 to 13 failes with plpython2

Adrian Klaver <adrian.klaver@aklaver.com> writes:
> It would be nice to mention this on --announce and here as this still 
> exists:
> https://www.postgresql.org/docs/13/plpython-python23.html

You're confusing what the source code can do (which is what the
manual documents) versus what individual packagers choose to support.
The packagers frequently don't have a lot of choice in the matter;
once their platform drops python2, they can't support plpython2.

            regards, tom lane