This is on our list : https://github.com/rethinkdb/horizon/issues/23 https://github.com/rethinkdb/horizon/issues/23 The big piece remaining that will help is w

This is on our list : https://github.com/rethinkdb/horizon/issues/23 https://github.com/rethinkdb/horizon/issues/23 The big piece remaining that will help is write timestamps in the database, which we're going to try to land in RethinkDB 2.4. If we were controlling a traditional MVC frontend model and had control over the objects themselves, it would be easier to do optimistic updates. Since we're aiming to be compatible with a lot of frontend frameworks where immutability of the model is important, we have to carefully consider how to do it. That being said, it's super important, so it's near the top of our priorities