Update: False alarm on the new features. It turns out that the changelog listed below is from a prior version. This update likely only contains more bug fixes and performance improvements.
Original story: Continuing its streak of frequent updates to Windows 10 core apps, Microsoft is pushing out another update to Mail and Calendar on both desktop and mobile. Coming along in this update is a new setting to set Celsius or Fahrenheit temperature scales in Calendar, along with a helping of bug fixes.
Full story from the WindowsCentral blog...