Re: First draft of PG 19 release notes

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: shihao zhong <zhong950419(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, PostgreSQL-development <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: First draft of PG 19 release notes
Date: 2026-11-08 01:04:48
Message-ID: CAKFQuwaoE5-VtwTHRkEg0hZ5OLj9_z68_QhchWgm=YazQnRVgg@mail.gmail.com
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On Sat, Nov 7, 2026 at 5:47 PM Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> On Sat, Nov 7, 2026 at 07:17:02PM -0500, shihao zhong wrote:
> > Thanks Bruce for explaining how the minor release notes fit in. That
> > makes sense, so please drop my patch.
> >
> This showed me that there is _some_ confusion in the process. Suppose
> in PG 18.14 we tell users to reindex, and in PG 19.5, which was released
> on the same day as 18.14, we tell people to reindex for the same reason.
>
> Imagine someone is running 18.10, and they want to upgrade to 19.7.
> They will read all the release notes from 18.11 to 19.7,
>
>
My understanding (position?) is that upgrading from 16.5 to 18.6; I'd
expect to need to upgrade to 16.15 and read release notes for 16.6-16.15;
then read the notes for 17.0 and 18.0 when I go from 16.15 to 18.6. I
shouldn't need to read anything else in the 17 release nor the fixes
applied to 18 for versions I never installed. I'll never see that reindex
twice.

We don't support upgrading from an unsupported release, nor into an
unsupported one. And the fixes that hit a major version only matter if
you'd already been running that version otherwise those same fixes would
have appeared on your supported minor release notes.

David J.

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