Web preview not allowing login in iFrame

When developing apps in nodeJS, the web preview will display the login page, 404 page etc, but I am unable to login in to the app I am developing. the web preview returns to the index. However, if the web preview is viewed in a separate browser or the QR code is used to view the app on a phone, the login functionality works fine. The issue is only when the web preview is viewed inside IDX.

@Charlie_Fahy - that’s a known issue that we’re looking at ways to fix. No answer now. This has to do with us having our preview embedded in an iframe, and there are a collection of issues that we need to figure out how to resolve.