On Friday, April 17, 2020, PG Bug reporting form <noreply(at)postgresql(dot)org>
wrote:
>
> connect pgAdmin version 4.20 (recently installed) to the DB.
>
> this is on PostgreSQL 9.1.24, windows 10 Pro for client and Ubuntu on AWS.
>
This list isn’t for the independent pgAdmin project. That said the
features page on their site:
https://www.pgadmin.org/features/
Says it only support,PostgreSQL version 9.5+
And the PostgreSQL project currently only supports back to version 9.4
David J.