DH 2.3 LAN World. Server Does Not Support DH. (Direct Connection, Port Forwarded)

Both Clients DH 2.3 From Modrinth. MC 1.21.4
Yet on the client connected to the LAN world. No LODs being sent and in F3 Server Does Not Support DH.
Always worked in all previous nightly builds.
Solution
Conclusion is, it does work on fabric but not on neoforge.
Tested with 3 other MC versions.
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