The 2017 Sepang Test on Moto GP is the only one streaming in full 1080p. Are they testing streaming in full HD, or......?
It seems that from emails received by Moto GP subscribers, inviting them to renew their membership, it states that there will be upgraded video quality for the 2017 season! https://www.reddit.com/r/motogp/comments/5rxrqg/was_the_1080p_60fps_stream_purely_for_the_test/