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Minecraft 1.12-pre1

Feature-complete; only bug fixes land between here and release. Version facts below are read from Mojang’s own files — the official manifest plus the version.json inside the jar.

Contents (4)
  1. What changed in 1.12-pre1
  2. New in-game text
  3. Development cycle
  4. Neighbouring versions

Java What changed in 1.12-pre1

Everything below is measured by comparing the game files of 17w18b with 1.12-pre1 — not copied from patch notes.

Minecraft did not ship a data generator until January 2018, so there is no registry of blocks and items to compare for a build this old. What is below is read from the game’s own client.jar: the text the game displays, and the textures, models and sounds it ships. New blocks and items almost always show up in both.

New in-game text 11

KeyText
advancements.adventure.totem_of_undying.descriptionUse a Totem of Undying to cheat death
advancements.adventure.totem_of_undying.titlePostmortal
advancements.nether.all_potions.descriptionHave every potion effect applied at the same time
advancements.nether.all_potions.titleA Furious Cocktail
advancements.nether.fast_travel.descriptionUse the Nether to travel 7km in the Overworld
advancements.nether.fast_travel.titleSubspace Bubble
advancements.nether.uneasy_alliance.descriptionRescue a Ghast from the Nether, bring it safely home to the Overworld... and then kill it.
advancements.nether.uneasy_alliance.titleUneasy Alliance
commands.function.successExecuted %2$s commands from function '%1$s'
commands.function.unknownUnknown function '%s'
commands.function.usage/function <name>

Development cycle

This build was part of the run-up to 1.12. Everything tested here landed in that release.