These are rumors.... normal salt required.
Link shared by http://admechknight.blogspot.com/
http://admechknight.blogspot.com/2019/06/rumors-skorpius-dunerider-and.html
via u/lalassssss on Reddit
https://www.reddit.com/r/AdeptusMechanicus/comments/bxytlw/contacts_say_transport_release_is_due_with_the/
Contacts say Transport release is due with the apocalypse release, which is the end of june
Other Comments from the thread
"My friend who attended Warhammer fest said in the Q&A: they said it would come out with the apocalypse book"
