The latest version (1.6.3) has been promoted to the Production release channel on Google Play. This means anyone can download it without joining the beta.
The latest iOS version (also 1.6.3) has been submitted to Apple for review.
All remaining open issues on GitHub have been moved to the "Version 2.0" milestone.
Version 1.6.3 added Artifacts, items that you can use on a place to add extra health to it. Find them by scanning barcodes.