This single stave example requires multiple, hidden time signatures. Is this possible?
Yes, absolutely - since Dorico v1.0
Basically use the Properties panel:
actually Jeffhrsn, you don’t even need to think about time signatures here: just input the notes, then select a note and click onto the barline panel to add the appropriate barline. Alternatively use the Popover method…
Haha! Thanks, k_b! Brilliant! So used to the garbage that is Finale that it didn’t even occur to me that this was possible even tho I’ve seen Daniel demo just entering in notes with a time signature. Yay!