Playing in my world, I finally got to the Ender Dragon and it seems to hit itself with it's breath after passing by it.
The photo isn't the greatest, it was taken seconds after.
I would recommend fixing this, it lowers the dragons intimidation and that's not very fun.
Also, why is the Dragon the weakest boss in Minecraft?
Thank you for your report!
We're tracking this issue in MC-227327, so this ticket is being resolved and linked as a duplicate.
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