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A modified version of the old Minecraft Launcher supporting Microsoft authentication and more.

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olauncher/olauncher

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olauncher

The old launcher we all know and love with the quality-of-life features of the new launcher. This aims to support java 8 through modern java.

How to use

  1. Go to the latest release
  2. Download the olauncher-xxx-redist.jar file
  3. Run it

Features

  • Microsoft authentication
  • Bundled JVMs
    • Automatically downloads the appropriate JVM for all minecraft versions
    • You just need a runtime to open the actual launcher
    • You can still provide your own JVMs
  • Update checking

Planned Features

  • Add skin/cape management

How to build from source

The commands must be run in the following order to build from source:

  • decompile.sh
    • Downloads original jar and decompiles it
  • init.sh
    • Turns decompiled sources into a git repository
  • applyPatches.sh
    • Applies OLauncher patches to the decompiled sources
  • mvn clean package
    • Compiles the patched launcher
  • genredist.sh (optional)
    • Make sure you've run git submodule update --init as this script uses the AutoOL submodule.
    • Generates the redistributable JAR - Do not distribute the JARs in olauncher/target!