20w22a, 1.16 Pre-release 2
When you mess with elytra and poison, you can get into a weird state of the death animation over and over again. (It takes a few tries to do though)
What I expected to happen was...:
I was trying to start flying.
What actually happened was...:
I was thrown into a state of "half dead" where the death animation kept playing. I took no damage though.
Steps to Reproduce:
1. give yourself the poison effect.
2. have elytra on.
3. spam the space bar.