Honestly, we found that media types within the GitHub API had just got pretty confusing as we use them for so many things - "feature previews", response formats, versions (https://docs.github.com/en/rest/overview/media-types?apiVers...). We didn't want to overload them anymore.

Just so you know, we published OpenAPI specifications for all of our API versions on GitHub: https://github.com/github/rest-api-description/tree/main/des...