Heath C

@msjaber If you'd like to take over please do so!

@pkalisiewicz I hope you are ok, This PR is just waiting for you to finish it

> I am developing Mantine theme based on Mantine v7. It came from my private project, so there might be some discrepancies to the original behaviors. I'm working for bringing...

Is this for files?

@samialitop3 AH, yeah, this is an issue for many of the themes. I think that the material-ui themes might work given how they are implemented.

> Looks like 'multiple' also doesn't work on MUI v5. Not sure whether to create a new error or include it in this one. Keep it in this one

@samialitop3 Given we have a few, very busy volunteers maintaining the project, we rely largely on contributions from people who are willing to provide fixes/features. Are you able to help...

@Dannergal Have you installed `@rjsf/utils`, `@rjsf/core` and `@rjsf/validator-ajv8`?

@pksorensen Is there an associated issue for this? Also, you'll need to fix the formatting to get the tests to run

@michal-kurz WOW, that is an interesting bug find. If you are actually using the AJV 6 validator and you feel it's important enough, we'd welcome a fix for this. I...