The bug
The changes that you made to dimensions will not be saved. If you're on a singleplayer world you must reload your world, servers require rebooting them. This is exceptionally inconvenient, especially for testing environments.
How to reproduce:
Download the attached datapack with a custom dimension
Join the world
→ ✔ Thecustom:foodimension appears when typing/execute inModify or rename the custom dimension
Run
/reload
→ ❌ The dimension still has the old name and properties
Linked issues
is duplicated by 3
relates to 1
Attachments
Comments 9
It's low priority presumably because while it's incredibly annoying it's not game-breaking. Stuff like game crashes and bugs that affect survival gameplay are a far higher priority than this.
This seems to be an issue with dynamic registries as a whole, since armor trim materials and patterns don't update on /reload either. Could this bug report be renamed to "Dynamic registries don't update on /reload"?
Thank you for your report!
After consideration, the issue is being closed as Invalid.
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I've created a world with your datapack, and the dimension custom:foo does not work.
See https://sm.ms/image/RYOCg4Lv9AKl1mV