On Wed, Jun 29, 2022 at 10:58:44PM +0500, Andrey Borodin wrote: > > On 28 Jun 2022, at 04:30, Justin Pryzby <pry...@telsasoft.com> wrote: > > > > Nope, it's as I said: this would break pg_upgrade from older versions. > > As far as I understand 9.5 is not supported. Probably, it makes sense to keep > pg_upgrade running against 9.5 clusters, but I'm not sure if we do this > routinely.
As of last year, there's a reasonably clear policy for support of old versions: https://www.postgresql.org/docs/devel/pgupgrade.html |pg_upgrade supports upgrades from 9.2.X and later to the current major release of PostgreSQL, including snapshot and beta releases. See: e469f0aaf3c586c8390bd65923f97d4b1683cd9f -- Justin