Instagram has added the ability to link to hashtags & other users in your profile.
But it’s not rolling out evenly. I’ve linked my main account to a topic specific one & back. Both accounts have shown me the announcement of the new feature, but only one of them is actually linking the name in the bio. (This is in the same install, on the same device.)
I guess it’ll fill in eventually.
It’d be nice if they were willing to let you link *out* of the silo, though.