Continuity still doesn't work with LittleTiles MOD both in 1.20.1 forge&1.21.1 Neoforge
Had already reported to the creator of Littletilles and unsolved--since he wasn't able to solve it. And suggest me to come to continuity.
CreativeMD/LittleTiles#1038 (LittleTiles gittub issue1)
CreativeMD/LittleTiles#1045 (issue2 still not solved)