Samsung has been observed to have posted pages for a device called the SM-G990B/DS, a model number previously linked to the Galaxy S21 FE, a phone thought to have faced the axe due to supply constraints. Therefore, it seems the latest Fan Edition flagship smartphone variant is now back as an upcoming product.
https://www.notebookcheck.net/The-Samsung-Galaxy-S21-FE-launch-is-potentially-back-on-as-the-phone-s-support-pages-reappear-online.575300.0.html