For developers using the Fabric Loader , "Main Only" often describes initialization entrypoints:

: The standard tool for playing the vanilla Java and Bedrock Editions .

: The easiest way to browse and install large modpack libraries. Are you trying to configure a specific UI theme or Minecraft Launcher

: Best for players who want detailed control over their modded instances.

: The main entrypoint is the first normal initialization to run for any Fabric-based mod. 3. General Minecraft Launchers

If you are simply looking for a reliable way to launch Minecraft, there is no official "Main Only" version. Instead, consider these highly-rated standard launchers :

: It determines if a specific UI element (skin) should only be active in the Main Hub and automatically disable itself when you switch to a Sub Hub .