I was curious to find where they said that, and the specifics, and the closest I came was https://developer.hashicorp.com/terraform/tutorials/provider... which just states

> To release and publish the HashiCups provider to the Terraform Registry, you must publicly host the source code in a GitHub repository you own.

without the FOSS part. Do you have a different link?

Ah, just for Partner certification. Still, yes, that's some "for thee not me" hypocrisy for sure

also, for future generations, the permalink(?) is https://github.com/hashicorp/terraform-docs-common/blob/e4cc...