Following on from Gwen's excellent PG blog, here's not one but two from Gunnar Morling: • https://www.decodable.co/blog/logical-replication-from-postgres-16-stand-by-servers-part-1-of-2 • https://www.decodable.co/blog/logical-replication-from-postgres-16-stand-by-servers-part-2-of-2