This guide is designed to teach you about all the changes in 1.13. Disclaimer, this guide assumes you are at least somewhat familiar with 1.12.
Mobs
New
1.13 adds several new mobs to the game, here is a list of the mobs to look out for:
| Name | Image | Habitat | Drops | Notes |
|---|---|---|---|---|
| Dolphin | All oceans except for Frozen oceans |
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| Turtle | Any beaches except for cold beaches |
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| Fish |
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Each type drops one fish item of the same type as itself. All tropical fish variants drop the same tropical fish item. |
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| Drowned | Drowned spawn in all ocean and river biomes. Additionally, groups of Drowned will spawn in ocean ruins when the structures are first generated. |
Spawned Equipment
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| Phantom | Phantoms spawn at night and during thunderstorms high above players who are below sea level, have no obstructions above them, and have not entered a bed for at least three ingame days. |
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Changed
| Name | Image | Change |
|---|---|---|
| All Undead mobs |
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| Husk |
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| Squid | Squid now release ink when injured by the player. | |
| Zombie |
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Blocks
New
| Name | Image | Acquired | Tool Required | Uses | ||||
|---|---|---|---|---|---|---|---|---|
| Bark Block | File:Oak Bark.pngFile:Spruce Bark.pngFile:Birch Bark.pngFile:Jungle Bark.pngFile:Acacia Bark.pngFile:Dark Oak Bark.png |
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Can be broken with any tool as well as by hand. |
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| Blue Ice |
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Can be broken with any pickaxe enchanted with silk touch. |
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| Conduit |
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Can be broken with any tool. | Conduit will give the Conduit Power status effect when powered. See Tutorials/Conduits for more information. | |||||
| Coral, Coral Fan, Coral Block, and Dead Coral Block |
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Can be used as a decorative block. | |||||
| Dried Kelp Block |
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Can be broken by hand. |
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| Kelp | Can be obtained by breaking naturally spawned kelp plants. | Can be broken by any tool as well as by hand. |
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| Prismarine Stairs, Dark Prismarine Stairs, and Prismarine Brick Stairs |
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Can be broken with any pickaxe. | Can be used as a decorative block. | |||||
| Prismarine Slab, Dark Prismarine Slab, and Prismarine Brick Slab |
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Can be broken with any pickaxe. |
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| Pumpkin |
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Can be broken with any tool as well as by hand. |
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| Purple Shulker Box |
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Can be broken with any tool as well as by hand. |
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| Sea Pickles |
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Can be broken with any tool as well as by hand. |
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| Stripped Log | ![]() ![]() ![]() ![]() ![]() ![]() |
Can be obtained by right clicking any log with any tier of axe, this will consume one durability from the axe. | Can be broken with any tool as well as by hand. |
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| Turtle Eggs |
File:Turtle Egg1.pngFile:Turtle Egg2.pngFile:Turtle Egg3.pngFile:Turtle Egg4.pngFile:Turtle Egg5.pngFile:Turtle Egg6.png |
Can be obtained by breeding two Turtles | Can be broken by any pickaxe enchanted with silk touch. |
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Changed
| Name | Image | Change |
|---|---|---|
| All semi-transparent blocks. | All semi-transparent blocks can now have water placed within them by right clicking them with a water bucket. | |
| Pumpkin |
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| Shulker Box |
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Items
New
| Name | Image | Obtaining | Uses |
|---|---|---|---|
| Buried Treasure Map | Can be found in underwater ruins loot chests. | Can be used to find buried treasure chest. | |
| Heart of the Sea | Can be found in all buried treasure chests in stacks of one. | One of the ingredients in crafting the Conduit. | |
| Kelp and Dried Kelp |
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| Nautilus Shell |
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One of the ingredients in crafting the Conduit. | |
| Phantom Membrane | Dropped by Phantoms when killed. |
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| Scute | Dropped by baby turtles when growing into adult. | Can be used to craft a Turtle Shell. | |
| Trident | Can be dropped by Drowned as part of there naturally spawned equipment as well as from there loot table. |
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Changed
| Name | Image | Changes |
|---|---|---|
| Elytra | Elytra now requires the Phantom Membrane to be repaired. |
Biomes
New
| Name | Internal id | Image | Description | Structures |
|---|---|---|---|---|
| Cold Ocean | minecraft:cold_ocean |
Like the Frozen Ocean, this ocean variant has a gravel seabed, with the occasional patch of sand or dirt. Additionally this ocean biome has dark indigo water. This variant is home to Kelp, Seagrass, Cod, Salmon, and Dolphins. |
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| Frozen Ocean | minecraft:frozen_ocean |
A partially frozen area of ocean, with large, yet broken up, sheets of ice covering the water. This variant of ocean has a gravel seabed and is home to Kelp, Seagrass, Squid, Salmon, Stray, and Polar Bears. |
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| Lukewarm Ocean | minecraft:lukewarm_ocean |
This ocean variant can be recognized by its light teal water and sandy seabed. It is home to Kelp, Seagrass, Pufferfish, Dolphins, Tropical fish, and Cod. |
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Changed
In 1.13 nearly all the biomes are being renamed, here is a list of the new biome names versus the old names, note that the debug screen will no longer show the biome name but will rather show the internal biome id:
| Name ID | Old name | New name |
|---|---|---|
minecraft:cold_beach |
Cold Beach |
Snowy Beach
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minecraft:desert_hills |
DesertHills |
Desert Hills
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minecraft:extreme_hills |
Extreme Hills |
Mountains
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minecraft:extreme_hills_with_trees |
Extreme Hills+ |
Wooded Mountains
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minecraft:forest_hills |
ForestHills |
Wooded Hills
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minecraft:frozen_ocean |
FrozenOcean |
Frozen Ocean
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minecraft:frozen_river |
FrozenRiver |
Frozen River
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minecraft:hell |
Hell |
Nether
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minecraft:ice_flats |
Ice Plains |
Snowy Tundra
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minecraft:ice_mountains |
Ice Mountains |
Snowy Mountains
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minecraft:jungle_edge |
JungleEdge |
Jungle Edge
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minecraft:jungle_hills |
JungleHills |
Jungle Hills
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minecraft:mesa |
Mesa |
Badlands
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minecraft:mesa_rock |
Mesa Plateau F |
Wooded Badlands Plateau
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minecraft:mesa_clear_rock |
Mesa Plateau |
Badlands Plateau
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minecraft:mushroom_island |
MushroomIsland |
Mushroom Fields
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minecraft:mushroom_island_shore |
MushroomIslandShore |
Mushroom Field Shore
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minecraft:mutated_birch_forest |
Birch Forest M |
Tall Birch Forest
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minecraft:mutated_birch_forest_hills |
Birch Forest Hills M |
Tall Birch Hills
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minecraft:mutated_desert |
Desert M |
Desert Lakes
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minecraft:mutated_extreme_hills |
Extreme Hills M |
Gravelly Mountains
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minecraft:mutated_extreme_hills_with_trees |
Extreme Hills+ M |
Gravelly Mountains+
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minecraft:mutated_ice_flats |
Ice Plains Spikes |
Ice Spikes
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minecraft:mutated_jungle |
Jungle M |
Modified Jungle
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minecraft:mutated_jungle_edge |
JungleEdge M |
Modified Jungle Edge
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minecraft:mutated_mesa |
Mesa (Bryce) |
Eroded Badlands
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minecraft:mutated_mesa_clear_rock |
Mesa Plateau M |
Modified Badlands Plateau
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minecraft:mutated_mesa_rock |
Mesa Plateau F M |
Modified Wooded Badlands Plateau
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minecraft:mutated_redwood_taiga |
Mega Spruce Taiga |
Giant Spruce Taiga
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minecraft:mutated_redwood_taiga_hills |
Redwood Taiga Hills M |
Giant Spruce Taiga Hills
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minecraft:mutated_roofed_forest |
Roofed Forest M |
Dark Forest Hills
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minecraft:mutated_savanna |
Savanna M |
Shattered Savanna
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minecraft:mutated_savanna_rock |
Savanna Plateau M |
Shattered Savanna Plateau
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minecraft:mutated_swampland |
Swampland M |
Swamp Hills
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minecraft:mutated_taiga |
Taiga M |
Taiga Mountains
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minecraft:mutated_taiga_cold |
Cold Taiga M |
Snowy Taiga Mountains
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minecraft:redwood_taiga |
Mega Taiga |
Giant Tree Taiga
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minecraft:redwood_taiga_hills |
Mega Taiga Hills |
Giant Tree Taiga Hills
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minecraft:roofed_forest |
Roofed Forest |
Dark Forest
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minecraft:smaller_extreme_hills |
Extreme Hills Edge |
Mountain Edge
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minecraft:stone_beach |
Stone Beach |
Stone Shore
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minecraft:swampland |
Swampland |
Swamp
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minecraft:taiga_cold |
Cold Taiga |
Snowy Taiga
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minecraft:taiga_cold_hills |
Cold Taiga Hills |
Snowy Taiga Hills
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minecraft:taiga_hills |
TaigaHills |
Taiga Hills
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For more information see the World Generation section in the 1.13 article.
Water
The physics for water has also been changed in 1.13, and the way the player interacts with water has also changed.
Swimming
There is now an actual swimming animation used by the player while underwater, this can be activated by sprinting underwater, this also allows the player to move in any direction they are looking including down. Player that cannot sprint, i.e. are to hungry to sprint, cannot swim. Crouching underwater also allows you to descend at a faster rate.
While swimming players can go through one block gaps similar to when using an elytra.
Item and Experience
Items and experience orbs now float to the surface of water rather than sink, this make dying underwater easier to deal with since all of your items will be waiting for you at the surface. This also allows for easy vertical item transportation.
Bubble Columns
For more detailed information see Bubble Columns.
Magma and Soul Sand now make bubble columns when placed underwater. Magma will naturally generate in ocean ruins and where underwater ravines meet lava, while soul sand does not currently generate naturally in oceans. Players are able to breath while in bubble columns.
Magma will pull things down to the bottom, this includes items, players, mobs, and boats. Soul sand will push all entities to the surface at a very fast rate.
Breath
The breath meter no longer instantly refills when entering air, this means it is no longer possible to refill the air meter with a torch while underwater.
Vision
Water has been given unique colors depending on the biome you are in.
Water is also now clearer, and the longer you are underwater the clearer it becomes.



























































