Re: libpq: Bump protocol version to version 3.2 at least until the first/second beta

Jelte Fennema <postgres@jeltef.nl>

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From: "Jelte Fennema-Nio" <postgres@jeltef.nl>

To: "Jelte Fennema-Nio" <me@jeltef.nl>, "PostgreSQL Hackers" <pgsql-hackers@lists.postgresql.org>

Cc: "Heikki Linnakangas" <hlinnaka@iki.fi>, "Robert Haas" <robertmhaas@gmail.com>

Date: 2025-10-31T11:05:44Z

Lists: pgsql-hackers

Attachments

v2-0001-Add-test-for-libpq-its-default-protocol-version.patch (text/x-patch) patch v2-0001
v2-0002-libpq-Bump-default-protocol-version-to-3.2.patch (text/x-patch) patch v2-0002

On Thu Oct 23, 2025 at 3:56 PM CEST, Jelte Fennema-Nio wrote:
> So I'm
> proposing that we bump the default protocol version that libpq requests
> on the master branch, so that users running the latest master against a
> proxy that does not support the version negototian will be notified.

Rebased to resolve conflict

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

libpq: Grease the protocol by default
- 4966bd3ed95e 19 (unreleased) landed
libpq: Prepare for protocol grease during 19beta
- d8d7c5dc8f74 19 (unreleased) landed
doc: Expand upon protocol versions and extensions
- e3d37853ecd5 19 (unreleased) landed
libpq_pipeline: Test the default protocol version
- 9b9eaf08ab2d 19 (unreleased) landed