Changes made from version 6.41 to 6.42:
Fixed an issue where ConnectIQ data fields were not able to record information to FIT files.
Fixed an issue where the device screen seems to pulsate when using a white background, in low power mode.
Fixed an issue where the 'Lap Ascent' field was not displaying valid data on the lap alert page.
Fixed an issue where the Indoor Row summary information was displaying distance metrics, instead of stroke data.
http://www8.garmin.com/support/download_details.jsp?id=11421#Instruct