On Friday, January 26, 2018, Jim Ryan <j...@room118solutions.com> wrote:

> Hey Bruce,
>
> Thanks for working on this, but wouldn't pg_upgrade be needed from 10.1 to
> 10.2?  Aren't those considered major versions, or am I misunderstanding?
>
> The source of my (and potentially others) confusion is if from 9.1 to 9.2
> is considered a major version change or not.  I think most users would
> assume from 9.x to 10.x is a major version change.  The ambiguity is in 9.x
> to 9.y.
>
>
Which is why we changed ;)

Starting with 10 the one and only value after the decimal is a minor
version bug fix release.  The next major version will be 11.

Of versions beginning with 9 there were 7 major versions - 9.0 to 9.6; the
third position value denoted the minor bug fix release.

pg-upgrade is only required for upgrading between major versions.

On our homeoage we list every major release that is currently supported.

David J.

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