in creative mode when i use elytra in the newest bedrock update its just flies me up (srry for bad english)

in creative mode when i use elytra in the newest bedrock update its just flies me up (srry for bad english) 

here is the video: https://drive.google.com/file/d/1fYWlnhLE9oPxSZuNfAZAKP-NtdCSsFhB/view?usp=sharing