sschmidTU on expressions-simultaneous
allow simultaneous (layered) ex… (compare)
(vexflow)graphicalnote.getSVGGElement()and you can manipulate it. That's what others do, like for changing the color of notes without re-rendering, and noone has seemed to need events for that so far.
osmd.zoom = 0.5) is a decent way of getting more sheet music on the screen.
EngravingRules, there are some options to add more padding/spacing for specific elements in a measure or certain measures like