Relates to MC-272780.
The bug
In some cases, throwing an ender pearl through a nether portal will correctly result in the ender pearl crossing into the other dimension, but not actually landing in said dimension. The player must then go through the portal themselves or otherwise load the chunks around the portal for the pearl to actually land.
How to reproduce
Build a portal in the Overworld in an open area
Throw an ender pearl through the Nether side of this portal in an upwards trajectory and with extra speed
Observe
Expected results
Shortly after throwing the pearl, it would land, taking the player to its destination across dimensions.
Actual results
It may not.
How to fix
Making ender pearl entities with active portal cooldown forcibly load chunks may fix this problem.
Related issues
is duplicated by
Attachments
Comments


Can confirm.

If you're gonna make ender pearls load chunks on portal cooldown, imo you may as well make them load chunks all the time. It's easier to implement and would allow for much easier ender pearl cannon contraptions.

Can confirm 1.21 pre-1
Here is the testing world to help reproduce the issue:
[media]
Steps to reproduce:
-load the world in 1.21 pre-1
-press a button near a diamond block to activate a command block (it'll align your player to a right angle)
-without moving your mouse throw the pearl into the portal in front of you
-observe that the pearl doesn't teleport you to the nether as it got stuck in lazy chunks there

Thank you for your report!
After consideration, the issue is being closed as Working as Intended.
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