I've found a solution so you don't have to wait. http://www.mediafire.com/folder/ba9kblhsrnx3y/jopt-simple Download this (Don't worry it's safe it's the original files) and go to .minecraft or twitch or anything libraries net sf and put it instead of the old jopt simple folder this is for 1.7.10 1.14.4 and 1.12.2
I've found a solution so you don't have to wait. http://www.mediafire.com/folder/ba9kblhsrnx3y/jopt-simple Download this (Don't worry it's safe it's the original files) and go to .minecraft or twitch or anything libraries net sf and put it instead of the old jopt simple folder this is for 1.7.10 1.14.4 and 1.12.2