If seen 5 times that a snowy slopes generated on the ground level u would just see a lot of snow with no mountains close to it idk if it is a bug but most the time they also close to micro biomes (soory if it has bad english)
MC-243804
Snowy slopes on the ground
Resolved
Duplicate
0
Duplicates MC-236907 feedback.minecraft.net is a good place for world generation issues.