The proximity area has been extended to full height, and you can middle click the thumb to jump to the current position.
But here comes the best part: with maximized apps, since Fitts law is respected, you can literally "throw" the mouse to the right edge, and click to start dragging from *any* position, regardless of the real scrollbar placement.
This unique design keeps reducing visual clutter while simplifying basic operations with an innovative approach.

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