Dripstone caves generate above the ground

In the newest minecraft snapshot (21w37a), a generated a new world and started flying around to see all the new stuff, but i came across something. I was in a desert biome which had next to it dripstone caves that generated above the ground, all the way up to y=70. The

Reproduce

seed: 7749504688249292943 
cordinates: /tp @s -1088 ~ 1371

Expected Result

The Dripstone Caves would generate underground