File Name- Meteor-client-mod-fabric-1.20.1.jar -

You launched the vanilla 1.20.1 profile instead of the Fabric profile. Fix: In the Minecraft Launcher, click the dropdown next to the green “Play” button. Select fabric-loader-1.20.1 .

To ensure the integrity of this specific .jar file, the following checks are recommended: File name- Meteor-Client-Mod-Fabric-1.20.1.jar

Download the official release matching 1.20.1 from the verified Meteor Client website or their official GitHub repository. Ensure the file name matches Meteor-Client-Mod-Fabric-1.20.1.jar (or includes the specific stable build number). You launched the vanilla 1

Increases base walking and running speeds while modifying jumping physics to maintain momentum. File name- Meteor-Client-Mod-Fabric-1.20.1.jar