Samsung is not expected to announce the Galaxy Z Fold3 for another two months, but numerous renders have leaked online. The new images show that Samsung plans to release its next foldable in three colours and with subtle design changes compared to the Galaxy Z Fold2.
https://www.notebookcheck.net/Samsung-Galaxy-Z-Fold3-renders-showcase-the-upcoming-foldable-from-almost-every-angle.548386.0.html