When you click twice, when there is long time between clicks, game still registers it as double click and you can select all your workers by accident…
When you set slider to 80 e.g. it sets it to 79.
Since lotv when i am swapping addonds as terran, and i am pressing unit group button - forward, all the sudden it switches and forward button causing unit group switching backwards, which is tough as heck, while microing reaper, transford orbital, yet switch addons and build gas, because this is buggy…