Hype doesn't have auto-prefixer functionality, does it? It's not an issue, just curious if adding the prefixes beforehand something we need to keep in mind when using CSS animations (declared in the head HTML)?
Hype doesn’t do anything to Head HTML apart of the substitution of the resource path variable placeholder as far as I know. You could always use a export script to run specific filetypes through a CSS preprocessor, though.
Update: The SaaS processor also has a Python wrapper:
With Atlanta still in quarantine, I guess it's time that I teach myself Python since nothing else is happening.