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Minecraft b1.5

Beta era, 2010–2011 — before 1.0. 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 b1.5
  2. New files in the game
  3. New in-game text
  4. Version facts
  5. Neighbouring versions

Java What changed in b1.5

Everything below is measured by comparing the game files of b1.4_01 with b1.5 — 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 files in the game

KindAddedRemovedTotal
Textures+4073

Textures added: achievement/icons armor/power gui/slot misc/footprint

New in-game text 5

KeyText
options.advancedOpenglAdvanced OpenGL
tile.detectorRail.desc
tile.detectorRail.nameDetector Rail
tile.goldenRail.desc
tile.goldenRail.namePowered Rail

Version facts

EditionJava Edition
TypeOld Beta
Release date18 April 2011
Minimum Java versionJava 8
Asset indexpre-1.6
Client jar1.3 MB sha1 f5ce1699cd72…
Previousb1.4_01
Nextb1.5_01
Official metadatab1.5.json
PlatformsWindows macOS Linux
Written inJava
DeveloperMojang Studios