Unreal Engine 4 is available for Win10 UWP app dev now

A few ideas on the stats update:

  • Make sure you’ve checked the box to ‘Feature on players’ profiles’
  • If you’re not already, you should capture and process the returned events from the DoWork call on the StatisticsManager. These might provide some clue if there’s an error encountered.
  • Try retrieving the leaderboards in your own code - this will be the only way to display global leaderboards in any case, since the dash/Xbox App focuses on social.

You beat me to it on deployment to Xbox. There are indeed some limitations on package size at the moment, and using a network share or deploying loose files are the best options for working around them.