I recently updated OS X with the latest updates. Since, I have noticed something strange. When I go to type, for example to post this thread, it misses the first keystroke. At first I though I was loosing my mind, but I can reproduce it. If I open a new window, be if Safari, or any other app, as soon as I hit the first letter key, it does not register. Once I have typed in that window, it does not do it again, but if I close the app, and re-open it, same thing. Anyone else having this issue?