- Do all diagram options work? (TODO list all that are know to not work correctly)
- Check all directions
- Check hierarchical graphs
- Check whether ctrl+z works
- Check adding layer only constraint
- Check position only constraint
- Check deleting constraint
- Check different shift modi
- Does it run on Linux/Windows/maybe Mac?
- Does in run in Chrome/Chromium/Chromium in Electron/Firefox/...?