Unable to preview apps in full screen

[ap-6230]

Is the feature to preview the app in full screen gone?. It now opens a new tab with a pop up style window

[jacobparis]

Where has the "Preview URL" gone?

The “Open in New Tab” feature now opens a full screen chat preview instead of a direct link into the sandbox. This was a recent change for security reasons as too many people have had their accounts compromised by sharing the preview URL with its access token, despite the banner saying not to do that As a hack for power users, you can get the original URL back by copying the preview iframe src, but you must keep that secure To get a private URL you can share with other people, first enable git…