Allow the eraser option to either remove by stroke or just the way it is
Making our own pallete (this would include a colour picker)
Allow the users to have the ability to control their pen stabiliser (similar to that of digital drawing softwe)
Making our own page templates or importing from the web
Pinning pens with different colours
Most windows styli has two buttons it would be great to allow the user to change commands between those two buttons
Zooming in and out is a bit laggy as well as writing very quickly
Costumising page size
Brush imports or customising brushes within the app
Shape recoginition for triangles circles squares etc
Voice recording
Having access to the Goodnotes sticker library
Being able to work offline
Syncing with a cloud apple,onedrive or google drive.
Adding a texting box
Adding GIFs to our notes