Marshland (overworld swampy biome)

• will-o-wisp (new mob), spawn at night and can be catched in a lantern

• Savage swamp (overworld swampy biome)

  • firefly (new mob), spawn during night
  • mosquitoes (new mob), spawn during day

• Sky ruins (overworld plain biome)

  • sky temple (new structure)

• Fire plains (overworld plain biome)

• Crystal valley (overworld cold biome)

• Lava rocks (overworld warm biome)

• Bramble (overworld rare biome)

  • bramble ruins (new structure)

• Birch landscape (new birch variant)

• Mesa landscape (new badlands variant)

• Coral cove (new ocean variant)

• Blood heathland (new nether biome)

  • beast soul (new mob), can turn into a bat and be burned by a spectral arrow
  • nether castle (new dungeon)

• Hot springs (new nether biome)

• Last circle (nether rare biome)