Colin 't Hart schrieb am 02.03.2018 um 09:23:
> Is there a version dependency when using logical replication? Do both
> sides have to be running the same major version? Or is it a wire
> protocol that will be backwards compatible in future releases?
>
> I sincerely hope it's the latter so that users of this aren't forced
> to upgrade all of their interconnected servers at the same time.
I think the only restriction is that connected servers need to be Postgres 10 or higher.
So you should be able to replicate from Postgres 10 to Postgres 11 once the next version is released.