Note that we can work on more than one update at once
Cleanup code, refactor and test and document backend (and frontend)
Board Appearance, List Appearance and App Themes
Repair, export and import database and import data from Trello
Android Widget and Shortcuts
Task Properties but not all at once, simple properties first
Small unrelated UI improvements and features
Add passwords to app and/or Boards
Search, filter, statistics and analytics