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What it does:

  • Removes the need to login if you just want to play offline or on a private server
  • There's no check for an update, you're directly catapulted to the main menu or connected to a server
  • Additional parameters (f.e. start as maximized window or loading of certain versions from different directories)

What it does not:

  • Remove the need to authenticate at servers if they demand it
  • Loading and applying updates
  • Lets you play Minecraft for free, you'll still need to get an account and download the binaries

    • How does it work?

    Basically this is just mimicking the behavior of the official launcher, except that it removes the online authentication and the update process. I figured most of that out with Trial & Error, that's why it's looking a little bit crude and has debugging output all over the place.

    Please consult the README for a thorough documentation on the software.