It would be nice to have buttons in the Notebook for formatting text.

There would be a bar at the top of the window (maybe on the side of the title box, or underneath it) with buttons for Bold, Italics, Underline, and Color. They would add the [b] and other markups around the selected text, similar to how these buttons work in this forum. For colors I imagine 2 buttons: 1 for setting the color (brings up the color menu we see when tinting objects) and one to apply that color

(Bonus suggestion: these buttons could be nice for object names/descriptions too, though I understand that space is at a premium in the context menu)