Affects Version/s: Minecraft 1.9 Pre-Release 1
Fix Version/s: None
Put the summary of the bug you're having here
I recorded a little video of the bug in action https://youtu.be/PwAlfJ1anGs
What I expected to happen was...:
Nothing, i thought nothing would happen
What actually happened was...:
I was experementing with elytra and i began tapping space and then i began to run & jump, really fast and high.
Steps to Reproduce:
1. Put elytra on and go to survival.
2. Begin tapping space rapidly
3. Run really fast and jump high
Dont mind the speaking in the video, and sorry for bad english, hoped it helped