Java Edition 1.12-pre1

Minecraft 1.12-pre1
1.12-pre1.png: Infobox image for Minecraft 1.12-pre1 the version in Minecraft
Java Edition 1.12-pre1.png: Infobox image for Minecraft 1.12-pre1 the version in Minecraft
Edition

Java Edition

Release date

May 10, 2017

Type

Pre-release

Pre-release for

1.12

Downloads

Client (.json)
Server

Protocol version

328

Data version

1132

Resource pack format

3

Minimum Java version

Java SE 8

1.12-pre1[1] is the first pre-release for Java Edition 1.12, which adds four new advancements, optimizes the recipe book and fixes bugs. This is the first pre-release released in 2017.

Additions

Mobs

Parrot

Gameplay

Gamerule

  • gameLoopFunction <namespace:path/to/function/file>
    • Runs a function every tick through the server.

Command format

/function <namespace:path/to/function/file>

General

Advancements

  • Added 4 new advancements:
Nether/Adventure
IconAdvancementIn-game descriptionParentActual requirements (if different)Resource locationRewards
A Furious CocktailHave every potion effect applied at the same timeLocal Brewery
Have all of these 11 status effects applied to the player at the same time:
The source of the effects is irrelevant for the purposes of this advancement. Other status effects may be applied to the player, but are ignored for this advancement.
nether/all_potions
Subspace BubbleUse the Nether to travel 7km in the OverworldNetherUse the Nether to travel between 2 points in the Overworld with a minimum horizontal euclidean distance of 7000 blocks between each other, which is 875 blocks in the Nether.nether/fast_travel
Uneasy AllianceRescue a ghast from the Nether, bring it safely home to the Overworld... and then kill it.Return to SenderKill a ghast while being in the Overworld.nether/uneasy_alliance
PostmortalUse a totem of undying to cheat deathMonster HunterActivate a totem of undying by taking fatal damage.adventure/totem_of_undying
  • Added [Boolean] hidden field to advancement display info, defaults to false.
  • Added new effects_changed, used_totem, nether_travel advancements triggers.
  • Added [String] function to advancement rewards.

Functions

  • Added new function system, which are plaintext files in world/data/functions/namespace/file.txt.
  • Functions are a list of commands, one line per command, with // or # comment support.

NBT format

  • Added the [NBT Compound / JSON Object] enteredNetherPosition tag for players.

Changes

Advancements

  • Advancement trees are now centered in the UI.
  • Items & entities in advancements have an extra NBT field (string NBT, like in commands).
  • Entities in advancements have an extra effects and location field.
  • Removed commands from advancement rewards.
  • Removed arbitrary_player_tick advancement trigger.

Recipe books

  • Optimized the recipe book.

Fixes

34 issues fixed

From released versions before 1.12

  • MC-11240 – Ignited TNT can be set on fire by a Flame Bow.
  • MC-50166 – Game states that "The block couldn't be placed" when using /setblock to place air in a space occupied by a tile entity, despite working
  • MC-95367 – Tamed [wolf], cat or parrot in a minecart teleports to a player (not visually)
  • MC-100468 – [Wolves], cats and parrots teleport to player despite being in a boat (yet not visually)
  • MC-111699 – Can't rename stacked items
  • MC-111744 – Anvil outputs only 1 item when renaming

From the 1.12 development versions

  • MC-113380 – Concrete powder won't turn into concrete when replacing water
  • MC-113434 – The color of white wool sheep is light gray
  • MC-114235 – Concrete powder texture is not randomly rotated
  • MC-114534 – Beacon beam is darker than it should be
  • MC-115070 – Issue with crafting table UI on non-16:9 instances
  • MC-115206 – Parrots stare at bats over 30 blocks away, through the ground
  • MC-115460 – Recipe advancements for yellow dye have reversed unlock conditions
  • MC-115813 – Old (non-dyed) beds are invisible
  • MC-116024 – Pre-17w15a beds become red if in-world but white in chests
  • MC-116459 – Parrots suffocate when getting in a bed with a solid block behind it
  • MC-116760 – @a selector doesn't work with the /recipe command in multiplayer
  • MC-116945 – Knowledge book gives recipe before removing itself from inventory causing unexpected advancement behavior
  • MC-116952 – Can't read CPU info and shows 'CPU: <unknown>' in the debug screen (F3)
  • MC-116957 – Advancement doesn't get revoked when /reload is quickly executed afterwards
  • MC-116963 – Changing dimension prints debug message in log
  • MC-116964 – Parrots sometimes run in circles instead of pathfinding normally.
  • MC-117001 – "Serious dedication" challenge is granted when breaking any tool
  • MC-117007 – milk_bucket can't trigger consume_item of advancements
  • MC-117008 – Vines under trapdoors block them
  • MC-117015 – Glass panes & iron bars no longer connect to glass
  • MC-117019 – Tripwire hooks break off of backs and sides of stairs upon receiving a block update
  • MC-117036 – 17w18b Crafting book glitch
  • MC-117063 – Snow layers on barriers
  • MC-117069 – Door in Recipe Book when hold click shows the trapdoor recipe
  • MC-117118 – Levers / buttons placed on the trapdoor are dropped if pressed
  • MC-117160 – Parrots follow and watch invisible mobs
  • MC-117161 – Parrots imitate silent mobs
  • MC-117167 – Error message for player advancement data containing only "null" calls advancements "achievement"

Video

Video made by slicedlime:

Trivia

  • 1.12-pre1 was previously removed from the launcher for some time, but was added back in September 2018.

References

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