Copied from https://www.mediawiki.org/wiki/Topic:Tj8zjrj001qq7uk1 :
Wargo: My proposal is option (additional draggable element or keyboard combination) for moving both markers simultaneously by one mouse move. For example to quickly move to next revision. Now I need to move one slider and then to move second slider within the same number of steps
As I understand it this would mean if the pointers were pointing at revisions 56 and 58 the user should be able to hold down a keyboard key and drag the pointers together in a single action. So With a single drag action the pointers would be able to move to revisions 55 and 57 for example.