[2020-01-21 04:31:44+0000] nedjo via SocialHub:
JSON-LD
If you’re developing for ActivityPub, you’re going to be dealing with JSON-LD, since that’s the format ActivityPub JSON is in.
Not so much actually, AFAIK only Mastodon and Friendica actually uses JSON-LD, the other projects just treat it as JSON and maybe with some additionnal schema declaration for compatibility.
Which means that most implementations will probably tend to stick to some well-known types as the namespacing part of JSON-LD just goes away.