-# Current stable mapgens:
-# v5, v6, v7 (except floatlands), flat, singlenode.
-# 'stable' means the terrain shape in an existing world will not be changed
-# in the future. Note that biomes are defined by games and may still change.
-mg_name (Mapgen name) enum v7 v5,v6,v7,valleys,carpathian,fractal,flat,singlenode
+# Current mapgens in a highly unstable state:
+# - The optional floatlands of v7 (disabled by default).
+mg_name (Mapgen name) enum v7 v7,valleys,carpathian,v5,flat,fractal,singlenode,v6