Pebble Version 4.0 is going to offer a whole host of new features to Pebble watch fans. It has a new Health app that lets you review activity and sleep conveniently. You can press down on your watch face for quick views. There is also a slicker launcher built for speed.
You get a 4-button quick launch interface. Developers can use Rocky.js to create apps for the Pebble platform. Pebble Firmware 4.0 works with Pebble Time, Pebble Time Steel, Pebble Time Round as well as Pebble 2 and Time 2.