Bezier tool. Please could there be one?
Edit icon and the resizing icon to always be in view, even when zooming in - maybe have them on a floating tool bar somewhere rather than as part of the shape itself.
Stretch or squeeze shape nodes. you have You have to zoom out a LOT to make them
work properly. Often when you tap on the nodes to stretch or squeeze you end up just moving the entire shape unless you zoom in very close.
The colour wheel picker is too big, you can’t be subtle with colour changes. I’d like to be able to just tap the wheel itself with the Apple Pencil instead of trying to manouver the picker thing.