Bidirectional replication (aka multi-master) was added to Postgres in v16. Most others like MySQL, MS SQL Server, Oracle, DB2, et al have supported it for quite

Bidirectional replication (aka multi-master) was added to Postgres in v16. Most others like MySQL, MS SQL Server, Oracle, DB2, et al have supported it for quite a while now. Neat project, but there are easier, more cost-efficient, and well-documented methods available now.