[MC-167060] Ender dragon doesn't die if it's not beside the portal

Ender dragon doesn't die if it's not beside the portal.

Go to the end:

/execute in the_end run teleport @s 0 90 0

Give you a powerful weapon:

/give @p minecraft:stick{Enchantments:[{id:sharpness,lvl:32767},{id:looting,lvl:32767}]}

Attack the ender dragon many time before it will not working for the first time
→ ❌ You see that the ender dragon does not die and it has 0 health
Wait for the ender dragon go beside the portal
→ ✔ The ender dragon dies

Linked issues

violine1101 2019-12-04T11:48:32Z

As far as I know, the dragon should only die if it is on top of the portal. See also MC-108901.

Can confirm in 20w51a.

BlockZooBuilder 2021-04-03T00:31:44Z

Isn't it supposed to fly to the top of the portal and die? So the XP all falls around the portal and not off into the void somewhere.