Not sure if Larian managed to reach out to collector's edition owners but they said they would ship at the original August 31st release due to supply chain reasons. However the digital code to the game should have been emailed already ahead of launch.
For those curious Swen spoke a little about the issues with Xbox they've been having and why they haven't officially announced the game for Xbox yet in this interview on SkillUp a few days ago.
Basically, the gist is that it's just not ready yet. They are currently trying to optimize it well enough so it runs 60fps even with 4 player co-op split screen which is a tall ask for the series S. Rather than hold PC and PS5 back they are instead focusing on their release and then will continue to work on Xbox after much like they did with Switch for DOS2.