I can speak to go, ruby, and PHP: Their libraries for support is per-spec.
Json is pretty great, and sure, if someone wants to make RSS2, using JSON, that’d be fine. But, RSS came long before JSON was even an idea, and XML was the only way we figured out.
RSS’s format is, in fact, so old, there’s been a huge amount of time refining those language’s libs to support RSS just dandy. You never even need to look at the XML.
I can speak to go, ruby, and PHP: Their libraries for support is per-spec.
Json is pretty great, and sure, if someone wants to make RSS2, using JSON, that’d be fine. But, RSS came long before JSON was even an idea, and XML was the only way we figured out.
RSS’s format is, in fact, so old, there’s been a huge amount of time refining those language’s libs to support RSS just dandy. You never even need to look at the XML.