On Mon, Feb 23, 2026 at 10:58 AM Jacob Champion
<jchampion@postgresql.org> wrote:
>
> libpq: Grease the protocol by default
crake is angry:
> pg_dumpall: error: connection to server on socket "/home/andrew/bf/root/tmp/buildfarm-onigY7/.s.PGSQL.5670" failed:
FATAL:unsupported frontend protocol 3.9999: server supports 1.0 to 3.0
> This indicates a bug in either the server being contacted
> or a proxy handling the connection. Please consider
> ...
So while this is kind of a nice result, in that it's correctly
diagnosing the problem, I need to add max_protocol_version=3.0 to the
connection strings for these upgrades during beta.
--Jacob