The OStatus federation:
- Only half-defined standard
- One big implementation only
- Features are added ad-hoc, whatever GNU Social wants becomes the standard later
- To be compatible, you gotta do everything exactly like GNU Social, reading the standard documents isn't enough.

The ActivityPub federation:
- Only half-defined standard
- One big implementation only
- Features are added ad-hoc, whatever Mastodon wants becomes the standard later
- To be compatible, you gotta do everything exactly like Mastodon, reading the standard documents isn't enough.