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Minecraft a1.0.15

Alpha era, 2009–2010 — the earliest builds. Version facts below are read from Mojang’s own files — the official manifest plus the version.json inside the jar.

Contents (3)
  1. What changed in a1.0.15
  2. Version facts
  3. Neighbouring versions

Java What changed in a1.0.15

Everything below is measured by comparing the game files of a1.0.14 with a1.0.15 — 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.

Nothing in the game’s text or asset files differs from the previous build — whatever changed here was in the game code, which is not something these files can show.

Version facts

EditionJava Edition
TypeOld Alpha
Release date3 August 2010
Minimum Java versionJava 8
Asset indexpre-1.6
Client jar838.6 KB sha1 03edaff812be…
Previousa1.0.14
Nexta1.0.16
Official metadataa1.0.15.json
PlatformsWindows macOS Linux
Written inJava
DeveloperMojang Studios