{
  // Biome groups allows several biomes of similar styles to more consistently spawn adjacent to one another.
  "biome_groups": {
    "boreal_taigas": {
      "can_replace": [
        "minecraft:taiga",
        "minecraft:old_growth_pine_taiga",
        "minecraft:old_growth_spruce_taiga",
        "minecraft:snowy_taiga"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 75
    },
    "forests": {
      "can_replace": [
        "minecraft:forest"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 50
    },
    "jungles": {
      "can_replace": [
        "minecraft:jungle",
        "minecraft:sparse_jungle"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 50
    },
    "pine_and_redwood_taigas": {
      "can_replace": [
        "minecraft:taiga",
        "minecraft:old_growth_pine_taiga",
        "minecraft:old_growth_spruce_taiga",
        "minecraft:snowy_taiga"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 75
    },
    "plains": {
      "can_replace": [
        "minecraft:plains"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 100
    },
    "rivers": {
      "can_replace": [
        "minecraft:river"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 60
    },
    "swamps": {
      "can_replace": [
        "minecraft:swamp"
      ],
      "enabled": true,
      // By default, all other biomes have a weight of 100.
      "weight": 100
    }
  },
  "biome_placements": {
    "placements": {
      "regions_unexplored:alpha_grove": {
        "can_replace": [
          "minecraft:mushroom_fields"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 20
      },
      "regions_unexplored:ancient_delta": {
        "can_replace": [
          "minecraft:dripstone_caves"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "max": -0.4
          }
        }
      },
      "regions_unexplored:ashen_woodland": {
        "can_replace": [
          "minecraft:mushroom_fields"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 20
      },
      "regions_unexplored:autumnal_maple_forest": {
        "can_replace": [
          "minecraft:birch_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:bamboo_forest": {
        "can_replace": [
          "minecraft:bamboo_jungle"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:baobab_savanna": {
        "can_replace": [
          "minecraft:savanna",
          "minecraft:savanna_plateau"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "max": -0.35
          }
        }
      },
      "regions_unexplored:bayou": {
        "can_replace": [
          "minecraft:swamp"
        ],
        "enabled": true,
        "group": "swamps",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "max": 3.0
          },
          "temperature": {
            "max": 0.2,
            "min": -0.1
          }
        }
      },
      "regions_unexplored:bioshroom_caves": {
        "can_replace": [
          "minecraft:lush_caves"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "erosion": {
            "min": 0.3
          }
        }
      },
      "regions_unexplored:blackstone_basin": {
        "can_replace": [
          "minecraft:crimson_forest"
        ],
        "dimension": "minecraft:the_nether",
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 60
      },
      "regions_unexplored:blackwood_taiga": {
        "can_replace": [
          "minecraft:dark_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:boreal_taiga": {
        "can_replace": [
          "minecraft:taiga"
        ],
        "enabled": true,
        "group": "boreal_taigas"
      },
      "regions_unexplored:chalk_cliffs": {
        // This biome has special placement rules. It can only be enabled or disabled.
        "special_enabled": true
      },
      "regions_unexplored:clover_plains": {
        "can_replace": [
          "minecraft:plains"
        ],
        "enabled": true,
        "group": "plains",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": 0.2,
            "min": -0.1
          }
        }
      },
      "regions_unexplored:cold_boreal_taiga": {
        "can_replace": [
          "minecraft:snowy_taiga"
        ],
        "enabled": true,
        "group": "boreal_taigas"
      },
      "regions_unexplored:cold_river": {
        "can_replace": [
          "minecraft:river"
        ],
        "enabled": true,
        "group": "rivers",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": -0.1
          }
        }
      },
      "regions_unexplored:dry_bushland": {
        "can_replace": [
          "minecraft:savanna",
          "minecraft:savanna_plateau"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:eucalyptus_forest": {
        "can_replace": [
          "minecraft:wooded_badlands"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:fen": {
        "can_replace": [
          "minecraft:swamp"
        ],
        "enabled": true,
        "group": "swamps",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "min": -0.35
          },
          "temperature": {
            "max": -0.1,
            "min": -0.45
          }
        }
      },
      "regions_unexplored:flower_fields": {
        "can_replace": [
          "minecraft:sunflower_plains",
          "minecraft:flower_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 30
      },
      "regions_unexplored:frozen_pine_taiga": {
        "can_replace": [
          "minecraft:snowy_taiga"
        ],
        "enabled": true,
        "group": "pine_and_redwood_taigas"
      },
      "regions_unexplored:fungal_fen": {
        "can_replace": [
          "minecraft:swamp"
        ],
        "enabled": true,
        "group": "swamps",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "max": -0.35
          },
          "temperature": {
            "max": -0.1,
            "min": -0.45
          }
        }
      },
      "regions_unexplored:glistering_meadow": {
        "can_replace": [
          "minecraft:soul_sand_valley"
        ],
        "dimension": "minecraft:the_nether",
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 60
      },
      "regions_unexplored:grassland": {
        "can_replace": [
          "minecraft:plains"
        ],
        "enabled": true,
        "group": "plains",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "min": 0.2
          }
        }
      },
      "regions_unexplored:grassy_beach": {
        "can_replace": [
          "minecraft:beach"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:gravel_beach": {
        "can_replace": [
          "minecraft:beach"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:highland_fields": {
        "can_replace": [
          "minecraft:meadow"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 70
      },
      "regions_unexplored:hyacinth_deeps": {
        "can_replace": [
          "minecraft:deep_frozen_ocean"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:icy_heights": {
        "can_replace": [
          "minecraft:ice_spikes",
          "minecraft:snowy_plains",
          "minecraft:snowy_taiga"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "continentalness": {
            "max": 0.03
          },
          "erosion": {
            "max": 0.55,
            "min": 0.45
          },
          "weirdness": {
            "min": 0.0
          }
        }
      },
      "regions_unexplored:infernal_holt": {
        "can_replace": [
          "minecraft:basalt_deltas"
        ],
        "dimension": "minecraft:the_nether",
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 60
      },
      "regions_unexplored:inferno": {
        // This biome has special placement rules. It can only be enabled or disabled.
        "special_enabled": true
      },
      "regions_unexplored:joshua_desert": {
        "can_replace": [
          "minecraft:desert"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:magnolia_woodland": {
        "can_replace": [
          "minecraft:cherry_grove"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:maple_forest": {
        "can_replace": [
          "minecraft:forest"
        ],
        "enabled": true,
        "group": "forests",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": 0.2,
            "min": -0.1
          }
        }
      },
      "regions_unexplored:marsh": {
        "can_replace": [
          "minecraft:swamp"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:muddy_river": {
        "can_replace": [
          "minecraft:river"
        ],
        "enabled": true,
        "group": "rivers",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": 0.55,
            "min": -0.1
          }
        }
      },
      "regions_unexplored:mycotoxic_undergrowth": {
        "can_replace": [
          "minecraft:nether_wastes"
        ],
        "dimension": "minecraft:the_nether",
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 60
      },
      "regions_unexplored:old_growth_bayou": {
        "can_replace": [
          "minecraft:swamp"
        ],
        "enabled": true,
        "group": "swamps",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "min": 3.0
          },
          "temperature": {
            "max": 0.2,
            "min": -0.1
          }
        }
      },
      "regions_unexplored:old_growth_boreal_taiga": {
        "can_replace": [
          "minecraft:old_growth_spruce_taiga"
        ],
        "enabled": true,
        "group": "boreal_taigas"
      },
      "regions_unexplored:old_growth_forest": {
        "can_replace": [
          "minecraft:forest"
        ],
        "enabled": true,
        "group": "forests",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "min": 0.2
          }
        }
      },
      "regions_unexplored:old_growth_golden_boreal_taiga": {
        "can_replace": [
          "minecraft:old_growth_pine_taiga"
        ],
        "enabled": true,
        "group": "boreal_taigas"
      },
      "regions_unexplored:orchard": {
        "can_replace": [
          "minecraft:sunflower_plains",
          "minecraft:flower_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:outback": {
        "can_replace": [
          "minecraft:desert"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "erosion": {
            "max": 0.15
          }
        }
      },
      "regions_unexplored:pine_slopes": {
        "can_replace": [
          "minecraft:grove"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "min": -0.45
          }
        },
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:pine_taiga": {
        "can_replace": [
          "minecraft:taiga"
        ],
        "enabled": true,
        "group": "pine_and_redwood_taigas"
      },
      "regions_unexplored:poppy_fields": {
        "can_replace": [
          "minecraft:sunflower_plains",
          "minecraft:flower_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 70
      },
      "regions_unexplored:prairie": {
        "can_replace": [
          "minecraft:savanna",
          "minecraft:savanna_plateau"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:prismachasm": {
        // This biome has special placement rules. It can only be enabled or disabled.
        "special_enabled": true
      },
      "regions_unexplored:rainforest": {
        "can_replace": [
          "minecraft:jungle"
        ],
        "enabled": true,
        "group": "jungles"
      },
      "regions_unexplored:redstone_caves": {
        // This biome has special placement rules. It can only be enabled or disabled.
        "special_enabled": true
      },
      "regions_unexplored:redwoods": {
        "can_replace": [
          "minecraft:old_growth_spruce_taiga"
        ],
        "enabled": true,
        "group": "pine_and_redwood_taigas"
      },
      "regions_unexplored:rocky_reef": {
        "can_replace": [
          "minecraft:warm_ocean"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:saguaro_desert": {
        "can_replace": [
          "minecraft:desert"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:shrubland": {
        "can_replace": [
          "minecraft:plains"
        ],
        "enabled": true,
        "group": "plains",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": -0.1
          }
        }
      },
      "regions_unexplored:silver_birch_forest": {
        "can_replace": [
          "minecraft:old_growth_birch_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 50
      },
      "regions_unexplored:sparse_rainforest": {
        "can_replace": [
          "minecraft:sparse_jungle"
        ],
        "enabled": true,
        "group": "jungles"
      },
      "regions_unexplored:sparse_redwoods": {
        "can_replace": [
          "minecraft:old_growth_pine_taiga"
        ],
        "enabled": true,
        "group": "pine_and_redwood_taigas"
      },
      "regions_unexplored:spires": {
        "can_replace": [
          "minecraft:frozen_river",
          "minecraft:ice_spikes",
          "minecraft:snowy_plains",
          "minecraft:snowy_taiga",
          "minecraft:taiga"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "erosion": {
            "min": 0.6
          },
          "temperature": {
            "max": -0.45
          }
        }
      },
      "regions_unexplored:towering_cliffs": {
        "can_replace": [
          "minecraft:windswept_savanna"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:tropical_river": {
        "can_replace": [
          "minecraft:river"
        ],
        "enabled": true,
        "group": "rivers",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "erosion": {
            "min": 0.15
          },
          "humidity": {
            "min": 0.3
          },
          "temperature": {
            "min": 0.55
          }
        }
      },
      "regions_unexplored:tropics": {
        "can_replace": [
          "minecraft:mushroom_fields"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 20
      },
      "regions_unexplored:tundra": {
        "can_replace": [
          "minecraft:snowy_plains"
        ],
        "enabled": true,
        // Advanced feature! Edit this with caution.
        "parameters": {
          "humidity": {
            "max": -0.1
          }
        },
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:willow_forest": {
        "can_replace": [
          "minecraft:forest"
        ],
        "enabled": true,
        "group": "forests",
        // Advanced feature! Edit this with caution.
        "parameters": {
          "temperature": {
            "max": -0.1
          }
        }
      },
      "regions_unexplored:windswept_maple_forest": {
        "can_replace": [
          "minecraft:windswept_forest"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 100
      },
      "regions_unexplored:wisteria_grove": {
        "can_replace": [
          "minecraft:meadow"
        ],
        "enabled": true,
        // By default, all other biomes have a weight of 100.
        "weight": 30
      }
    },
    // Multiplies the weighting of most biomes in the layout. Higher value = more RU biomes.
    "weight_multiplier": 1.0
  },
  // Don't touch this!
  "config_version": 1,
  "misc": {
    // "place_branches" = place RU's dedicated branch blocks, "place_logs" = place log blocks, "dont_place" = don't place any branches
    "branch_mode": "place_branches",
    // Controls the Peat and Silt dirt block family generation
    "custom_dirts": true,
    // Re-enables the recipes of the legacy Painted Plank blocks
    "painted_planks": false,
    // Oak trees with thin fence-like log blocks will generate in some forests
    "small_oak_trees": false
  },
  "vanilla_changes": {
    // Saguaro Cactis will generate in Badlands and Woodland Badlands.
    "badlands_saguaros": true,
    // Steppe Grass will generate in all Badlands.
    "badlands_steppe_grass": true,
    // Ash Vents will generate in Basalt Deltas.
    "basalt_deltas_ash_vents": true,
    // Palm trees will generate in Beaches in warm areas.
    "beach_palm_trees": true,
    // Birch trees will generate with Aspen shaping.
    "birch_aspen_trees": true,
    // Orange Coneflower patches will generate in Birch Forests.
    "birch_orange_coneflowers": true,
    // Grass Sprouts will generate alongside Short Grass in most biomes.
    "common_grass_sprouts": true,
    // Shrubs will generate in a variety of biomes.
    "common_shrubs": true,
    // Sandy Grass will generate in Deserts.
    "desert_sandy_grass": true,
    // Fancy oak tree will generate more frequently in Forests.
    "forest_fancy_oaks": true,
    // RU's tall flowers will generate in forested biomes.
    "forest_flowers": true,
    // Bamboo trees will rarely generate in Jungles.
    "jungle_bamboo_trees": true,
    // Elephant Ears will generate in Jungles.
    "jungle_elephant_ears": true,
    // Hibiscuses will generate in Jungles.
    "jungle_hibiscuses": true,
    // Flowering Lily Pads will generate in Mangrove Swamps.
    "mangrove_flowering_lilies": true,
    // Regular oak trees generate 2-3 blocks taller.
    "oak_taller_trees": true,
    // Small bushes will generate in Plains.
    "plains_bushes": true,
    // Small bushes will generate in Savannas.
    "savanna_bushes": true,
    // Frozen Grass will generate in snowy biomes.
    "snowy_frozen_grass": true,
    // Cattails will generate in Swamp and Mangrove Swamps.
    "swamp_cattails": true,
    // Swamps will generate with rooted Willow and Oak trees.
    "swamp_willow_trees": true,
    // Pine trees will generate with Pine wood blocks in all Taigas.
    "taiga_pine_trees": true,
    // Purple Coneflower patches will generate in Taigas.
    "taiga_purple_coneflowers": true
  }
}