The new HERO 4 camera update lets you do 4K timelapses in the camera, no post production necessary! The new video timelapse feature allows 4K 16X9 and 2.7K 4X3 timelapse capture and saves the timelapse as a ready-to-show video right from the camera. Other cool new features of the update include:
720p240 + 2.7K60 video for doing high resolution slow motion.
Auto Image Rotation for those upside-down GoPro on a stick shots.
Add HiLight Tags During Playback so you can pre-edit your video.
30/6 Burst Photo for captureing high resolution fleeting moments as photos.
Check out this video overview of the new features:
You can download the free update at: http://gopro.com/update/HERO4