It does look like the release date was pushed back a week, about a month ago.
https://web.archive.org/web/20230000000000*/https://staind.l...
https://www.theprp.com/2023/08/22/news/staind-premiere-their... (August 23)
>Citing production delays, Staind have now announced that their new album “Confessions Of The Fallen” will arrive a week later than intended. That full-length outing will now be available on September 22nd.