When you say multi-master can you clarify a bit of what you're looking for? We have Citus MX which allows you to read and write from any node removing a coordin

When you say multi-master can you clarify a bit of what you're looking for? We have Citus MX which allows you to read and write from any node removing a coordinator as a bottleneck on any write throughput. Not sure if it would meet your needs or if you're looking to solve some other use case.