New options and improvements were added to the lag reduction function.
You can also specify how extreme do you want the lag reduction measures to be.
/lag - Normal reduction
/lag 2 - High reduction (disables all modifications installed in the mods folder and removes some terrain items)
/lag 3 - Extreme reduction (removes vehicle detail)

/lag reset - Resets some lag reduction measures
/lag help - Opens a lag reduction tutorial.