neowin[.]net/news/microsofts-gorgeous-new-windows-11-onedrive-app-leaks-from-official-servers/
windowscentral[.]com/microsoft/windows-11/new-onedrive-dedicated-app-windows-11-2025-leak
Both sites have links to download the new OneDrive setup file, which is on Microsoft's servers ready to be released to the public in the future. The new OneDrive app is, like the new Outlook, a web app, which is likely cheaper/easier for Microsoft to develop & maintain [they stopped caring years ago].