This is apparently based on Automerge.[1] It sounds like a really good idea. Is it a good enough idea to sync MMO game clients and servers?

Paper from 2012, last Automerge site update in 2025. Why isn't this everywhere?

[1] https://automerge.org/

Relevant paper on lattice types (BloomL): https://dsf.berkeley.edu/papers/UCB-lattice-tr.pdf

In addition to this, you’ll need a causal register (per-key merkle clock) to order concurrent edits, rather than drop one.

Lastly, you’re likely to need a Pijul style VCS to handle semantic merges.