I think the most common CRDT libraries try hard to reduce the overhead of CRDTs. I am not expert but I could imagine that you could also remove some of the hist

I think the most common CRDT libraries try hard to reduce the overhead of CRDTs. I am not expert but I could imagine that you could also remove some of the historical data if you know that all clients are reasonably up to date and if they aren't they have to discard their changes that are too old.