Changes made from version 4.2.5 to 4.3.1:
Added waypoint categories to the waypoint and bulk waypoint property dialogs
Added the Task Based Startup Menu allowing users to choose what they want to do giving more help into what BaseCamp can do
Added an Address search UI that operates more like MapSource
Added Find Intersection to the Find menu
Added richer context menus in most tools on the map
Added feature to calculate a route that tries to match the shape of a track
Added feature to optimize routes within trip planner
Added a way to make it easier to find recently downloaded BirdsEye imagery
Added a way to filter Adventures by activity when using Find
Added indication of Adventure selected on the map
Added display of route stats while editing the route on the map
Added display of track stats while editing the track on the map
Added a device information dialog
Added support for curvy road route calculation
Added 'snap to' indicator on the map when drawing new points in a route
Added ability to exclude track portions in the track join dialog
Added an 'Off Road' profile and clarified the difference between Off Road and ATV
Added a prompt to preserve the original tracks when joining tracks
Added a hotkey to open and close the overview map
Added elevation statistics to the route dialog
Added statistics display to the bulk route properties dialog
Added ability to remove shaping points from routes in the data list
Added display of rubber band when moving a waypoint on the map
Added display of state and country city search results
Added ability to create lists in the 'Send To' dialog
Added an 'uncheck all' option when managing Custom POIs
Added support for Lat/Lon coordiantes that are missing cardinal direction indicators
Added a comment column for tracks in the data list
Added more descriptive messages if export errors are encountered
Added FIT file support to the Import dialog
Improved performance when device maps are discovered for the first time
Improved address search on device or card maps
Improved balloons on the map
Improved drawing performance of large tracks and routes
Improved performance of filtering a track
Improved waypoint search performance
Improved discoverability of Adventure Edit, Publish, and View Online actions
Improved display of individual track portions in the track join dialog
Improved device communications performance when transferring photos
Improved notification that a subscription is needed for a selected BirdsEye product
Improved recovery from corrupted cache information from device maps
Simplified default toolbar layout to exclude some editing tools
Changed the map product selection combobox to be hidden in the default layout
Fixed issue with encrypted Custom POI search (for RV and dezl devices)
Fixed issues with routes that have multiple transportation modes
Fixed device calculated ascent and descent values not being displayed
Fixed Trip Planner crash when adding food stops to trips
Fixed Basestation not updating most recent update time for contacts
Fixed issue with reading photo waypoints that had missing photos
Fixed map points remaining on the map after turning off all points
Fixed Adventure playback not taking track speed into consideration
Fixed a possible error when creating backup files
Fixed issue with inverted routes maintaining previous departure times
Fixed various language translations
Removed printing restriction for card and device based map products.
http://www8.garmin.com/support/download_details.jsp?id=4435