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Minecraft 1.9.1

Finished, fully supported build — this is what the launcher gives you. Version facts below are read from Mojang’s own files — the official manifest plus the version.json inside the jar.

Contents (5)
  1. What changed in 1.9.1
  2. New in-game text
  3. Reworded text
  4. Development cycle
  5. Neighbouring versions

Java What changed in 1.9.1

Everything below is measured by comparing the game files of 1.9 with 1.9.1 — 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 3

KeyText
attribute.name.generic.armorToughnessArmor Toughness
entity.MinecartChest.nameMinecart with Chest
entity.MinecartHopper.nameMinecart with Hopper

Reworded text 1

Wording Mojang changed in this version.

KeyBeforeAfter
subtitles.entity.endereye.launchEndereye shootsEye of Ender shoots

Development cycle

Every build Mojang published on the way to 1.9.1, in order.

  1. Pre-release

    3

    Feature-complete; only bug fixes land between here and release.

  2. Release

    1.9.1

    The build that shipped. Everything above led here.