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Java Edition:1.2

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1.2 added several new features to Minecraft. Importantly, it raised the world build height from 128 to 256. Additionally, with the addition of biome saving, biome related discontinued features were properly possible (biomes prior to 12w07a (1.2.1 Snapshot) did not properly save).

Discontinued Features

This is a total list of discontinued features, or a list of all features that can be obtained in 1.2 versions.

Feature Type Feature Page Start Version End Version Recontinued Version Removed Version Availability Notes
Item Count Understacked Items via Portal and Crafting Table Beta 1.6 Test Build 3 12w04a Continued Removed in 16w32a Release Singleplayer exclusive
Item Duplication Item Duplication via Portal and Crafting Table Understacked Items Beta 1.6 Test Build 3 12w04a Continued Not removed Release Singleplayer exclusive
Entity End Crystal (Entity) Beta 1.9 Prerelease 4-1 12w06a Recontinued in 12w08a Not removed Release
Terrain Terrain-Biome Mismatch Beta 1.8 Pre-release-1 12w06a Not Recontinued Not removed Release
Terrain No Cave Generation 12w07a 12w07b Not Recontinued Not removed Snapshot
Terrain No Center End Island 12w07a 12w07b Not Recontinued Not removed Snapshot
Block Unbreakable Block Removal via Iron Golem Creation 12w08a 12w08a Continued Not removed Snapshot
Block Liquid Block Transmutation Beta 1.7 1.2.3 Continued Removed in 14w26a Release
Item Nether Brick Slab (Item) Beta 1.7 1.2.3 Recontinued in 12w49a Not removed Release
Item Quartz Slab (Item) Beta 1.7 1.2.3 Recontinued in 13w02a Not removed Release
Item Data Value 6-15 Stone Slab (Item) Beta 1.7 1.2.3[test] Not Recontinued Removed in 17w47a Release
Item Data Value 4-15 Log (Item) Beta 1.7 1.2.3 Recontinued in 12w30d Removed in 17w47a Release
Item Chiseled Stone Bricks (Item) Beta 1.8 Pre-release 2 ;)-1 1.2.3 Recontinued in 12w22a-2 Not removed Release
Item Data Value 4-15 Stone Bricks (Item) Beta 1.8 Pre-release 2 ;)-1 1.2.3 Recontinued in 13w36a-1[test] Removed in 17w47a Release
Item NBT Removal via Chest Minecart Beta 1.9 Prerelease 3-1 1.2.3 Recontinued in 12w24a Not removed Release
World State Delete Character in World Name 1.1 1.2.3 Not Recontinued Not removed Release The world does not have to be loaded in these versions
Entity Saddled Baby Pig Beta 1.9 Prerelease 3-1 1.2.4 Not Recontinued Not removed Release Temporary
World State Formatted World Name Beta 1.3-1 1.2.4 Recontinued in 12w37a Not removed Release The world does not have to be loaded in these versions. The method from 12w37a onwards only works on newly created worlds.
Block Moving Piston via Pushing Tile Entities 1.2.5[test] 1.2.5[test] Continued[test] Not removed Release
Item Petrified Oak Slab via Crafting Beta 1.3-1 12w16a Continued Not removed Release
Item Apple via Notch Drop Infdev 20100327 12w17a Continued Not removed Release Only possible in worlds with the player "Notch". It's possible to change the player's name using other launchers.
Player Data Experience Level Above 24,791 Beta 1.8 Pre-release-1 12w22a-2 Recontinued in 17w45a Not removed Snapshot
Item Duplication Item Duplication via Ender Pearl Disconnect Beta 1.9 Prerelease 2 12w24a Continued Not removed Multiplayer
Entity Weaponless Skeleton via No Equipment Tag Classic 0.25 SURVIVAL TEST 1.3.2 Recontinued in 15w33b Not removed Release
Entity Weaponless Zombie Pigman via No Equipment Tag Alpha v1.2.0 1.3.2 Continued Not removed Release
Item Coal Ore (Item) Beta 1.9 Prerelease 4-1 1.3.2 Recontinued in 12w34a Not removed Release
Item Diamond Ore (Item) Beta 1.9 Prerelease 4-1 1.3.2 Recontinued in 12w34a Not removed Release
Item Grass Block (Item) Beta 1.9 Prerelease 4-1 1.3.2 Recontinued in 12w34a Not removed Release
Item Lapis Lazuli (Item) Beta 1.9 Prerelease 4-1 1.3.2 Recontinued in 12w34a Not removed Release
Item Redstone Ore (Item) Beta 1.9 Prerelease 4-1 1.3.2 Recontinued in 12w34a Not removed Release
Item Offset Map Beta 1.6 Test Build 3 12w32a Not Recontinued Not removed Release
Entity Minecart (Entity) Infdev 20100618 13w05b Recontinued in 13w06a-2 Not removed Release
Entity Minecart with Chest (Entity) Alpha v1.0.14-1 13w05b Recontinued in 13w06a-2 Not removed Release
Entity Minecart with Furnace (Entity) Alpha v1.0.14-1 13w05b Recontinued in 13w06a-2 Not removed Release
Biome Frozen Ocean 12w07a 1.6.4 Recontinued in 18w08a Not removed Release
Biome Mountain Edge 12w07a 1.6.4 Not Recontinued Removed in 21w40a Release
Block Update Suppression using Six Sided Piston Beta 1.7 14w02a Continued Not removed Release
Player Data Experience Level Above 21,863 Beta 1.8 Pre-release-1 14w03b Recontinued in 17w45a Not removed Release
Item Petrified Oak Slab via Transmutation 12w06a 14w21b Recontinued in 14w32a Not removed Release
Block Invalid Item in Furnace Fuel Slot Indev 20100219 14w25b Not Recontinued Not removed Release
Block Floating Gravity Block from Floating Point Error Infdev 20100618 14w31a Continued Not removed Release
Terrain No Outer End Islands Beta 1.9 Prerelease 4-1 1.8.9 Not Recontinued Not removed Release
Item Count Understacked Items via TNT + Chest Indev 0.31 20100124-2119 15w40b Not Recontinued Removed in 16w32a Release
Item Duplication Item Duplication via TNT + Chest Understacked Items Indev 0.31 20100124-2119 15w40b Continued Not removed Release
Entity Knockback Iron Golem 12w08a 15w45a Not Recontinued Not removed Release
Many The End Dimension Beta 1.9 Prerelease 4-1 15w51b Recontinued in 16w03a Not removed Release Causes many features to become discontinued.
Item Green Dye Beta 1.2 18w05a Recontinued in 18w14b Not removed Release
Item Zero Durability Equipment via Usage Indev 0.31 20100131 18w30a Not Recontinued Not removed Release Mobs dropping zero durability equipment has been marked as intentional. Equipment not naturally held or worn by mobs remains discontinued.
Block Chunk Savestating by Overloading McRegion Chunk Data Beta 1.3-1 19w34a Continued Not removed Release
Block End Portal Removal via Water Bucket Beta 1.9 Prerelease 3-1 19w34a Continued Not removed Release
Block Unbreakable Block Removal via Jungle Tree 12w04a 19w40a Continued Not removed Release
Item Duplication Item Duplication by Alt + F4 Infdev 20100327[test] 1.15[test] Continued Not removed Release
Biome Removed 1.18 Discontinued Biomes 12w07a[test] 1.17.1 Not Recontinued Removed in 21w40a Release 24 out of 28 of the discontinued biomes were removed, the other 4 were recontinued.

This is a start list of discontinued features, or a list of features which become obtainable in 1.2 versions.

Feature Type Feature Page Start Version End Version Recontinued Version Removed Version Availability Notes
Terrain No Cave Generation 12w07a 12w07b Not Recontinued Not removed Snapshot
Terrain No Center End Island 12w07a 12w07b Not Recontinued Not removed Snapshot
Block Unbreakable Block Removal via Iron Golem Creation 12w08a 12w08a Continued Not removed Snapshot
Block Moving Piston via Pushing Tile Entities 1.2.5[test] 1.2.5[test] Continued[test] Not removed Release
Biome Frozen Ocean 12w07a 1.6.4 Recontinued in 18w08a Not removed Release
Biome Mountain Edge 12w07a 1.6.4 Not Recontinued Removed in 21w40a Release
Item Petrified Oak Slab via Transmutation 12w06a 14w21b Recontinued in 14w32a Not removed Release
Entity Knockback Iron Golem 12w08a 15w45a Not Recontinued Not removed Release
Block Unbreakable Block Removal via Jungle Tree 12w04a 19w40a Continued Not removed Release
Biome Removed 1.18 Discontinued Biomes 12w07a[test] 1.17.1 Not Recontinued Removed in 21w40a Release 24 out of 28 of the discontinued biomes were removed, the other 4 were recontinued.

This is an end list of discontinued features, or a list of features which become unobtainable in 1.2 versions.

Feature Type Feature Page Start Version End Version Recontinued Version Removed Version Availability Notes
Item Count Understacked Items via Portal and Crafting Table Beta 1.6 Test Build 3 12w04a Continued Removed in 16w32a Release Singleplayer exclusive
Item Duplication Item Duplication via Portal and Crafting Table Understacked Items Beta 1.6 Test Build 3 12w04a Continued Not removed Release Singleplayer exclusive
Entity End Crystal (Entity) Beta 1.9 Prerelease 4-1 12w06a Recontinued in 12w08a Not removed Release
Terrain Terrain-Biome Mismatch Beta 1.8 Pre-release-1 12w06a Not Recontinued Not removed Release
Terrain No Cave Generation 12w07a 12w07b Not Recontinued Not removed Snapshot
Terrain No Center End Island 12w07a 12w07b Not Recontinued Not removed Snapshot
Block Unbreakable Block Removal via Iron Golem Creation 12w08a 12w08a Continued Not removed Snapshot
Block Liquid Block Transmutation Beta 1.7 1.2.3 Continued Removed in 14w26a Release
Item Nether Brick Slab (Item) Beta 1.7 1.2.3 Recontinued in 12w49a Not removed Release
Item Quartz Slab (Item) Beta 1.7 1.2.3 Recontinued in 13w02a Not removed Release
Item Data Value 6-15 Stone Slab (Item) Beta 1.7 1.2.3[test] Not Recontinued Removed in 17w47a Release
Item Data Value 4-15 Log (Item) Beta 1.7 1.2.3 Recontinued in 12w30d Removed in 17w47a Release
Item Chiseled Stone Bricks (Item) Beta 1.8 Pre-release 2 ;)-1 1.2.3 Recontinued in 12w22a-2 Not removed Release
Item Data Value 4-15 Stone Bricks (Item) Beta 1.8 Pre-release 2 ;)-1 1.2.3 Recontinued in 13w36a-1[test] Removed in 17w47a Release
Item NBT Removal via Chest Minecart Beta 1.9 Prerelease 3-1 1.2.3 Recontinued in 12w24a Not removed Release
World State Delete Character in World Name 1.1 1.2.3 Not Recontinued Not removed Release The world does not have to be loaded in these versions
Entity Saddled Baby Pig Beta 1.9 Prerelease 3-1 1.2.4 Not Recontinued Not removed Release Temporary
World State Formatted World Name Beta 1.3-1 1.2.4 Recontinued in 12w37a Not removed Release The world does not have to be loaded in these versions. The method from 12w37a onwards only works on newly created worlds.
Block Moving Piston via Pushing Tile Entities 1.2.5[test] 1.2.5[test] Continued[test] Not removed Release

Complex Version Path Items

These are a group of items which have multiple steps that need to be done in multiple versions for the final product, each version group (In this instance 1.2) shows different stages of the items progress through different versions using Previous, Current, and Next version ranges in the items progress. Each progress state can be done within the given Version Range[test].

Feature Type Feature Page Previous Version Range Current Version Range Next Version Range Recontinued Version Removed Version Notes
Terrain Seed-Biome Mismatch Via Format Conversion 12w01a (1.1 Snapshot) 12w06a (1.2.1 Snapshot) 12w36a (1.4.2 Snapshot) 1.10.2 Not Recontinued Not Removed
Block Half Door Block Via Corruption Infdev 20100607 12w05b (1.2.1 Snapshot) 14w26a (1.8 Snapshot) 1.13 Not Recontinued Not Removed
Item Jungle Sapling Infdev 20100316 Infdev 20100327 Beta 1.5 12w03a (1.2.1 snapshot) Recontinued in 12w04a (1.2.1 snapshot) Not Removed
Item Invalid Data Value Leaves Beta 1.2 Beta 1.9 Pre-Release 3 Beta 1.9 Pre-Release 4 1.4.5 Not Recontinued Converted in 17w47a (1.13 Snapshot)
Item Invalid Protection Enchantment Beta 1.9 Pre-Release 3 18w22a (1.13 Snapshot) 18w22b (1.13 Snapshot) 18w22c (1.13 Snapshot) Not Recontinued Not Removed Multiple methods exist to get Invalid Protection Enchantments, this is simply the "default" method.
Item Spawn Egg with Empty EntityTag tag 11w49a (1.1 Snapshot) 1.10.2 17w47b (1.13 Snapshot) 18w16a (1.13 Snapshot) Not Recontinued Not Removed
Item Spawn Egg With Hand and Armor Drop Chances 11w49a (1.1 Snapshot) 1.8.9 15w33a (1.9 Snapshot) 15w33c (1.9 Snapshot) Not Recontinued Not Removed
Entity Weaponless Mobs Via Updating Alpha 1.2.0 1.3.2 12w32a (1.4 snapshot) Not Recontinued Not Removed