> AFAIK some recent commits patches (e,g [1] for the "slot sync"
> development) have created some more cases of "could not connect..."
> messages. So, you might need to enhance your patch to deal with any
> new ones in the latest HEAD.
>
> ======
> [1]
> https://github.com/postgres/postgres/commit/776621a5e4796fa214b6b29a7ca134f6c138572a
>
> Thank you for the update.
The v3 patch has the changes needed as per the latest HEAD.
--
Thanks,
Nisha