1. double click or long press selection don't work in input field.(Firefox is the only one with this issue)
2. Some button or clickable div can't be trigger by touch.
3. Customization drag works with finger, not pen
4. swipe to touch on the floating keyboard, the addressbar will blink muliple times in the process
5. Clicking maximize minimize close button will lock focus there, from hereon drag the title bar to move the window doesn't work, double click title bar doesn't work without using a mouse.
