This update from Apple will improve the functionality of this app. No new features are included.

Now the route will be plotted on a globe chart. Additionally airports and range circles can be plotted on this chart.

Improved accuracy in distance calculation using WGS-84 compliant Vicenty formula.
Ability to display detailed track and distance information.

A minor bugfix preventing magnetic tracks to exceed 360 degrees.

Added MAGVAR2015 tables to calculate magnetic track between waypoints.
Added worldwide airport database. Just enter ICAO codes to find out tracks and distances between airports.
Save userdefined waypoints. Will just take you a couple of long nightflights to add all oceanic boundary waypoints to your NATTrack database.

A rare distance rounding error has been fixed.

Changed the row for presentation of track and distance information to follow industry conventions.