BaseCamp for Mac 4.6.1 Released 2/9/16

BaseCamp 4.6.1 for Mac is Now Available
The following is a list of changes:

Added support for downloading preview imagery for BirdsEye select.
Added support for track metadata from FIT files.
Added support for importing FIT files.
Added support for displaying DEM shading for some cycling map products.
Improved map rendering performance.
Updated the Czech translation for 'road'.
Updated route avoidance settings to be more like PNDs.
Fixed an issue with routes created in BaseCamp not displaying lane assist and junction views on Nuvi devices.
Fixed an issue with Garmin Adventures transferred from BaseCamp being deleted after the device is disconnected.
Fixed an issue with sending Garmin Adventures to device SD cards.
Fixed an issue with Geocaches not showing up on Oregon devices as found.
Fixed an issue with importing large KMZ files.
Fixed an issue with adding duplicate photos when matching photos to track(s).
Fixed an issue with canceling route calculations.
Fixed an issue with failing to unlock city navigator maps.
Fixed an issue with displaying the wrong day number in Trip Planner.
Fixed an issue with viewing raster maps.
Fixed out of memory crashes related to the undo buffer growing too large.
Fixed other various bugs.

http://www.garmin.com/en-US/shop/downloads/basecamp