The following is a quote from the last community update:
Patch 7 won’t be the final update for Baldur’s Gate 3. We still have a few things up our sleeve - including many community-requested features like crossplay and a photo mode
So, while crossplay won’t be coming with patch 7, it’s absolutely still on the cards. The full update can be found here:
https://forums.larian.com/ubbthreads.php?ubb=showflat&Number=945130#Post945130
