It would be really nice to have the ability to use keyboard shortcuts to control the canvas zoom level like we currently do with the mouse and the zoom menu.
For myself I would assign just one or two keyboard shortcuts to my most-used canvas zoom levels in order to quickly return to them after zooming in to a specific object.
I imagine that the easiest way to add this functionality would be to simply add the current zoom menu which is in the Grasshopper toolbar to the Grasshopper main menus at the top of the window. The ability to add keyboard shortcuts to any of these main menus & submenus is already implemented.
Could the Zoom menu in the toolbar which lists 5% to 500% be added to the View > Zoom submenu in the main menus?