Changes made from version 6.30 to 6.41:
Added support for pre-defined Alarm labels. (Menu > Clock > Alarm Clock > Select an alarm > Label)
Added support for new VIRB remote commands available on Virb cameras.
Added support for adding widgets through the context menu. (Scroll to a widget > Menu Key)
Fixed an issue where the HMD configuration won't match what is being displayed on device.
Fixed an issue where the activity summary could display blank lines if no heart rate was recorded during the activity.
Fixed an issue where certain options were missing from the context sensitive menu for CIQ widgets.
Fixed an issue where the activity summary information for multisport profiles only represented data from the last leg.
Fixed a potential issue where the device could freeze when dismissing multiple smart notifications.
Fixed a potential issue where the Training Effect value on post activity summary won't match the value shown on Garmin Connect.
http://www8.garmin.com/support/download_details.jsp?id=11421#Instruct