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Minecraft 17w43a

Weekly work-in-progress build. Things break and get removed again. 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 17w43a
  2. New in-game text
  3. Reworded text
  4. Development cycle
  5. Neighbouring versions

Java What changed in 17w43a

Everything below is measured by comparing the game files of 1.12.2 with 17w43a — 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 87

KeyText
key.apostrophe'
key.backslash\
key.backspaceBackspace
key.caps.lockCaps Lock
key.comma,
key.deleteDelete
key.downDown Arrow
key.endEnd
key.enterEnter
key.equal=
key.escapeEscape
key.f1F1
key.f10F10
key.f11F11
key.f12F12
key.f13F13
key.f14F14
key.f15F15
key.f16F16
key.f17F17
key.f18F18
key.f19F19
key.f2F2
key.f20F20
key.f21F21
key.f22F22
key.f23F23
key.f24F24
key.f25F25
key.f3F3
key.f4F4
key.f5F5
key.f6F6
key.f7F7
key.f8F8
key.f9F9
key.grave.accent`
key.homeHome
key.insertInsert
key.keypad.0Keypad 0
key.keypad.1Keypad 1
key.keypad.2Keypad 2
key.keypad.3Keypad 3
key.keypad.4Keypad 4
key.keypad.5Keypad 5
key.keypad.6Keypad 6
key.keypad.7Keypad 7
key.keypad.8Keypad 8
key.keypad.9Keypad 9
key.keypad.addKeypad +
key.keypad.decimalKeypad Decimal
key.keypad.divideKeypad /
key.keypad.enterKeypad Enter
key.keypad.equalKeypad =
key.keypad.multiplyKeypad *
key.keypad.subtractKeypad -
key.left.altLeft Alt
key.left.bracket[
key.left.controlLeft Control
key.left.shiftLeft Shift
key.left.winLeft Win
key.menuMenu
key.minus-
key.mouseButton %1$s
key.num.lockNum Lock
key.page.downPage Down
key.page.upPage Up
key.pausePause
key.period.
key.print.screenPrint Screen
key.right.altRight Alt
key.right.bracket]
key.right.controlRight Control
key.right.shiftRight Shift
key.right.winRight Win
key.scroll.lockScroll Lock
key.semicolon;
key.slash/
key.spaceSpace
key.tabTab

Showing the first 80 of 87 new strings.

Reworded text 5

Wording Mojang changed in this version.

KeyBeforeAfter
key.leftStrafe LeftLeft Arrow
key.mouse.leftLeft ClickLeft Button
key.mouse.middleMiddle ClickMiddle Button
key.mouse.rightRight ClickRight Button
key.rightStrafe RightRight Arrow

Development cycle

This build was part of the run-up to 1.13. Everything tested here landed in that release.