The bug
The enderdragon move his wings very quickly.
How to reproduce
Simply go to the end and watch the bugged enderdragon.
Linked issues
is duplicated by 11
MC-144952
Ender Dragon fight completely bugged
Resolved
MC-146723
the enderdragon in 19w11 is flapping his wings in a form of a glitch
Resolved
MC-145165
Glitches, Ender Dragon Buggy.
Resolved
MC-145166
Ender Dragon animates at much faster speed
Resolved
MC-145167
Ender dragon flaps a lot
Resolved
6 more links
https://m.youtube.com/watch?v=stySQV9Ad8Y
Confirmed of its existance