[https://www.w3.org/TR/pointerevents/ W3C Pointer Events]: creates a single DOM event model to handle pointing input devices such as a mouse, pen/stylus or touch. (59)
[https://bugzilla.mozilla.org/show_bug.cgi?id=1428879 CSS 'overscroll-behavior']: allow authors to control the browser's scroll overflow behavior — what happens when the boundary of a scrolling area is reached. (59)