In the latest snapshot, The diamonds spawn rate has been toned down a lot when it comes to cave exploring in both drip-stone and lush cave biomes. Finding diamond veins have not been this hard in even experimental snapshots. Please fix the issue.I appreciate the work developers. Good job!
Seed:-6908667267356178139
You might want to do a comparison on how many generated around 2-4 chunks between the exp snapshot 7 and 21w37a (also take height into account).