Publish/Subscribe

Is PubSub anywhere on the roadmap or at least anticipated this year? I’m wondering about update broadcasts (a la Rethink) or pubsub (a la Redis) or listen (a la Pg).

We’re tracking this feature request in https://github.com/cockroachdb/cockroach/issues/6130, but we don’t have a timeline for it yet (which means it won’t be this year, at least not in a stable release)