[MC-277053] Mobs do not spawn when the world border is very small

I tried a worldborder expanding datapack as a challenge but noticed that mobs didn't spawn, even when there was a mob spawner in the border. I'm not sure of the sizes affected.
Here's a screenshot of me testing this in a completely vanilla world, waiting for more than 5 minutes after killing any nearby entities using a 3 size world border (notice how the Entities counter only says 0/1)

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Comments 6

bemoty 2024-10-02T01:30:48Z

Hi, can you provide us with a download link to the data pack you are using? This could be caused by an error in the data pack

Mine18 2024-10-02T05:40:49Z

This also happened in the completely vanilla screenshot above but alright, here's the datapack , its supposed to be used with this and this but I think it should also work on its own.

BugTracker 2024-10-14T19:12:26Z

Can confirm.

Jarl-Penguin 2024-10-15T14:23:26Z

Would MC-277589 describe your issue?

_{This issue is being temporarily resolved as}_{Awaiting Response}_{. Once the requested information has been delivered, the report will be reopened automatically.}

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Mine18 2024-10-16T18:06:32Z

I tried recreating the conditions outlined in that issue, but mobs were spawning at world border of size 28, it was size 27 where they didn't spawn.

[Mojang] Triage Team 2024-10-25T07:22:07Z

Thank you for your report!
After consideration, the issue is being closed as Won't Fix.

Please note that this is not the same as Working as Intended, as this bug report correctly describes behavior in the game that might not be the intended or desirable behavior, but it will not be fixed right now. Sometimes, this is because the issue reported is minor and/or impossible to change without large architectural changes to the code base.