Have to double click bug on about everything

double clicking bug is still on the game you should not have to double click on anything to get it to respond after opening the keyboard on the sign, the chat or the inventory search bar for keyboard and mouse it should be a one click thing not a double click thing it seem that it affects everything it effects the crouch, the walk forward and it affects the place block button and the attack and break button so basically everything is affected by it nothing is fixing the problem mojang has to fix the bug