Affects Version/s: 20w06a, 20w07a
Fix Version/s: 20w09a
Flying around the nether, I noticed a phenomenon similar to
MC-16132. The cave generator seems to consider nylium different than netherrack, leading to lots of floating blocks when you're flying around.
Check out these areas in seed 3734647252753065699, or look at the attachments.
/tp 1098 64 505
/tp 358 61 87