- Ctrl+C/V/X when editing palettes interferes with regular cut/copy/paste somehow (worked around for now)
- Native-looking build on Mac OS X (issue #8; involves publishing an app bundle release, and using the system menu bar)
- Scale the UI for high-DPI displays
- Generate map images from the command line (issue #10)
- Allow undo/redo for resize and event operations
- Show a mini-palette of hotkeyed blocks, which the scroll wheel can cycle through
- Map connection viewer