https://github.com/mrin9/RapiDoc/releases/tag/9.0.0
This major version bump includes some breaking changes that we will need to account for. Most notably "Open Sans Font will be loaded by default from Google Font CDN. (you still have the option to not download it and supply your own font instead)". We will want to host our own fonts (or figure out how to configure things to use the client's local fonts).