The rumours were true, Microsoft has overhauled the Surface Duo with numerous changes for the second-generation model. The Snapdragon 888-backed device is about as expensive as a Galaxy Z Fold3, though.
https://www.notebookcheck.net/Microsoft-Surface-Duo-2-revealed-with-plenty-of-changes-from-the-original-model.563567.0.html
This should be...aptly called a clamshell, not a foldable, in which the screen itself would have to be foldable