Parallelism is listed as something they are considering, whereas with Servo it's one of the biggest (if not the main) reasons for it existing. From this announc

Parallelism is listed as something they are considering, whereas with Servo it's one of the biggest (if not the main) reasons for it existing. From this announcement I can't quite tell what it is with this project that they hope to achieve but I'm sure that will become more clear over time.