This guide is a simplified overview of all the changes in the Frostburn Update (Java Edition 1.10.x releases), which assumes at least some familiarity with the Combat Update (Java Edition 1.9.x releases).
Mobs [ ]
New [ ]
Name
Image
Habitat
Drops
Note
Polar Bear
When hit, the adults will attack the player , the cubs will run away.
Adults will always attack the player when cubs are around.
Polar bear cubs will follow adults.
Polar bears can swim fast in water .
Husk
Spawned Equipment
Husks behave like a normal zombie.
Husks do not burn in sunlight.
Husks apply Hunger when attacking.
Hunger is only applied if husk has an empty hand.
Stray
Spawned Equipment
Strays behave like a normal skeleton.
Strays shoot arrows of Slowness (0:30) at the target.
Changed [ ]
Name
Image
Changed
All mobs
Mobs now can shoot while in a boat .
Enderman
Skeleton
Burning skeletons now have a 50% chance of shooting flaming arrows.
Blocks [ ]
New [ ]
Name
Image
Obtaining
Tool Required
Uses
Bone Block
Can be found in the part of fossils.
Pickaxe
Can be crafted back to 9 bone meal.
Magma Block
Can be generated in the Nether between Y=23 and Y=37.
Pickaxe
Mobs and players take 1 damage every second while standing on the magma blocks.
Magma blocks will remove the water block on top randomly.
Nether Wart Block
Any
Can be used as a decorative block.
Cannot be crafted back to nether wart.
Red Nether Bricks
Pickaxe
Can be used as a decorative block.
Structure Void
Obtainable through commands.
N/A
A technical block used for saving and loading structures.
Changed [ ]
Name
Image
Changed
Dispenser
Hardened Clay
Stained clays have been renamed from "<Color> Stained Clay" to "<Color> Hardened Clay".
Items [ ]
Changed [ ]
Biomes [ ]
Changed [ ]
Structures [ ]
New [ ]
Name
Image
Generation
Consists of
Description
Fossil
Fossils generate in the underground in deserts , swamplands and their M and hills variants.
Fossils look like the skulls and spines of giant extinct creatures.
Mesa mineshaft
Mineshaft generated in mesa will be a mesa mineshaft.
The midpoint of mesa mineshaft is near sea level.
Uses dark oak wood for wooden structures.
Taiga village
Villages made from spruce wood can generate in taiga biomes.
Similar to other village types, but made from different materials.
Zombie village
Villages have a small chance of generating as a zombie village.
Changed [ ]
Name
Image
Changed
Mineshaft
Features generate differently if above ground.
Cave spider spawners no longer generate if sky light is 8 or more.
Wooden structures no longer generate if above is air or sky light is 8 or more.
Rails in corridors are more complete if sky light is below 8.
Village
Villages are no longer restricted by biome boundaries, meaning that a village that starts in a valid biome can now spread into an adjacent invalid biome.
Villages now generate in taigas (but not variants).
Village structures now made with the wood type in that biome.
In savanna villages, acacia log is used instead of cobblestone.
Blacksmiths and churches now always use cobblestone.
Paths are now made with different material depending on the existing terrain.
If replacing grass blocks, the path is made from grass path .
If replacing water or lava, the path is made from planks .
If replacing sand, sandstone, or red sandstone the path is gravel on top of cobblestone.
In desert villages, sandstone is used instead of gravel and cobblestone.
Huge mushroom
Huge mushrooms now have a chance of generating twice as tall as normal.
Cave
No longer turn adjacent sand blocks in the ceiling into sandstone when generating.
End portal
Now replace all blocks inside the portal frame ring when activating.
Others [ ]
New [ ]
Name
Description
Auto-jump
Automatically makes the player jump when running towards a one-block-tall obstacle.