Ender Dragon loses a lot of health after receiving projectile attacks

Your report does not contain enough information to understand or reproduce the problem.
The video only shows one "shot" (with the crossbow), which didn't hit or change the dragon's health. All other attacks appear to have been with a sword.
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Cleaning up old tickets: This ticket had been set to 'Awaiting Response', but has not received a response from the reporter (~3 months+) so is being closed as Incomplete. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines which includes steps to reproduce the problem.

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