Minor On some sequences, there is a flicker on opening of options panel: one can notice that options tabs bar is drawed twice at that moment, both on the left and right side of the opened panel; few moments after that the left tab bar disappers causing glimmer. And the same way, when closing the option panel, gray area behind the tabbar becomes light gray for a moment then switches back to dark gray.
This is almost invisible on many sequences but quite noticeable on others, see the attached sample.
