We are having similar issues and questions for the glossary. I believe at the moment, links into the glossary are possible when targeting the actual headword of an entry.
But links (to example verses) out from the glossary are also not working presently.
We are experimenting already with dummy verses, as the glossary is growing and so far no visible bad side effects.
Main question: In hope of better computers in a few years (more performance), would it hurt to insert links using tags like \xt, even if they are presently not working?
Maybe they will be supported later. Or maybe they will work for tools like Scripture App Builder to allow actual clickable links in final products.