Some documentation features not working in Xcode 8

Question

I'm experimented with documentation comments for Swift in Xcode 8 and found that not every feature from Markup Formatting Reference works. In particular, I can't make seealso: callout working and can't insert image URL to my documentation comments.

That's how my seealso: looked like:

I used exactly the same comments as described on these webpages.

Did anybody have the same problem? Does anybody know the solution?

Answer 1

Try to update new Xcode. in my experiance work well after delete derived data or clean build press shift+command+K