If you just google CRDT right now, you can easily find a bunch of latest works about CRDT, like https://github.com/ipfs/research-CRDT , http://archagon.net/blog/2018/03/24/data-laced-with-history/ and http://y-js.org/#!/examples.
One of the conclusion in the paper "So far, CRDT for co-editing has been confined to plain-text editing; it is unknown whether CRDT solutions can be extended for supporting real world co-editors beyond plain-text editing." is definitely not true.
Untrue Statements in “Real Differences Between OT and CRDT for Co-Editors” | Heykuki News