Party in the Pants <| sep |> 2 years later . NET Core is still inferior , immature , underdocumented , and terribly confusingYeah it ' s been an interesting 2 years , but I think alot of the issues come from them doing things in the open for the first time . Maybe things will start to settle down now . <| sep |> PebbleKit 4 . 0 PebbleKit for iOS and Android facilitates communication between Pebble watchapps and 3 rd party companion phone apps . Version 4 . 0 introduces a number of new features and bug fixes , including Support for Pebble 2 required for iOS only Removal of Bluetooth Classic iOS Sports API Support 3 rd party HRM Sports API Custom data field and label Sports API Helper object to simplify usage , and minimize updates via BluetoothOn iossdkreleasestag 4 . 0 . 0 it states the following Removed Support for Bluetooth Classic communication . Only Bluetooth LE is available . All devices in 3 . x or later should be able to use Bluetooth LE , including the original Pebble and Pebble Steel . This should make communication from several third party apps a lot better . This sounds interesting IMO . Maybe it will even improve battery life since BC draws more energy than BLE .