What happens to logical replication after running pg_upgrade?

What is Replication slots in PostgreSQL Streaming drop replication slot Optional parameter that when yes specifies that the LSN for this replication slot be reserved immediately, otherwise the default, no , specifies that the LSN is drop em slot Before version , adding a table to replication left a non-removed temporary replication slot If attaching tables

drop replication slot Unused slots can be dropped to remove WAL segments using the pg_drop_replication_slot command There generally is one replication slot and WAL sender per