On Monday, December 29, 2025, PG Doc comments form <noreply(at)postgresql(dot)org>
wrote:
>
> - to clarify how pg_basebackup works with servers of the same or older
> major
> version
There is no “how”, it just does. The documentation is versioned and “it”
means the binary produced by that version.
> - to clearly specify pg_basebackup cannot be used for PostgreSQL major
> version upgrade
The page clearly states what a backup can be used for and upgrade is not
listed.
David J.