It appears the original issue probably had a fix merged by now, but appears to not have fixed the issue.

I am reopening this issue as the issue reported in the original issue here still occurs: https://feedback.vrchat.com/bug-reports/p/world-ui-in-a-certain-creators-world-causes-ui-in-other-worlds-to-break

All details of the issue is in the linked post, but in summary, worlds that change a default UI material's render queue seems to persist between world changes, altering UI rendering in other worlds.

With my findings, you can recreate it by joining this world, which triggers the bug:

then, for example, you can join:

and you'll observe the fishing menu be almost unreadable.

Attached image is a result of doing the above. It is unknown if other platforms not checked is affected.