@silverpill @p @mint @Moon

> Yes, but server can send different activities to different peers.

This is behavior that I wouldn't want to rely on. You end up with bad auto-negotiation and someone checks a header instead of probing for capabilities and that ends up the way `User-Agent:` ended up, plus it compels you to keep a lot of state around.

> Software that supports FEP-ef61 would recognize a resolver path and process the object accordingly.

That makes me nervous.