i know, this might sound like nitpicking.
in gamma, hovering a node sometimes lacks the info of which precise node is under the mouse. check this example from skia help:
these two rectangles-nodes are different nodes but it is impossible to know which version of the rectangle it is by just looking or hovering (both are Rectangle [Graphics.Skia.Layers] ). from my experience with teaching these things and also for patch readability it would be a good idea to make the relevant node-type info visible by just hovering (like it is done for Rectangle (Join) [2D Rectangle] -> all nescessary info is there to distinguish it from the other rectangles).
e.g. in this example make it Rectangle (Position) [Graphics.Skia.Layers] and Rectangle (Bounds) [Graphics.Skia.Layers]