No changes, and my build is now breaking?

I also found 2 major differences between our package files, which may or may not help:

  1. Your project uses Next js 15, mine uses 14
  2. Your project also has some react-leaflet package, mine doesn’t have it in the package file, you could check how it’s being implemented.

This might be a dumb question–but how do you view it in incognito mode? The situation where it does not work is only inside the v0 app area. Once my app is published, it no longer has the issue (which is unfortunate, I guess, because that would be how I know how to test in incognito mode).

I logged in to v0 in incognito mode, and the preview has the same problem.

https://v0.app/chat/duplicate-of-fork-of-horse-website-design-EvRMJ4gFtC6

BTW I was never able to figure this out but it definitely appears to be an issue with the preview environment not reflecting reality. Sadly, because of this and intermittent support for firebase authentication, I’ve pivoted to no longer using the preview environment at all, and instead just publishing directly all the time (this is my new preview environment), then having a separate production environment.