Minecraft: Java Edition Forum  /  client for speedrunning?
  EdgyShiroEdgyShiro

am sure that'd be cool to have instead of changing mods you can launch any version and the required mods are in there
 
  BSRFBSRF

MultiMC has that feature - you can have many instances, every one of them has a seperate .minecraft file, so you dont have to swap any files
SquealySquealy and Eimerplayz127Eimerplayz127 like this.