The feature is available behind the flags and its description reads “If enabled, Project Robin features are enabled.” The information is insufficient to tell what Project Robin is about. According to a thread created by HotCakeX on the Microsoft Tech community explains that Still, its to latest to tell what is the purpose of adding Project Robin in Edge browser and how it will work.

Enable and Use Project Robin in Microsoft Edge

In case, you want to give it a try, then here’s how you can enable Project Robin feature in Microsoft Edge browser and how to use it: Launch Microsoft Edge Canary and then copy-paste this: edge://flags/#edge-robin flag address in addressbar and hit enter. Using the Project Robin drop-down, change the settings from Default to Enabled. Click on the Restart button to apply the changes. After doing this, if you launch Microsoft Edge and then click on Ellipse (…) icon, you will find new entry in menu called New Robin Tab. When you click to open New Robin Tab then, it takes you to: https://dev.browse.trafficmanager.net/?header=0&url=https%3A%2F%2Fwww.bing.com%2F&escape=newdomain&titlePrefix=0 And then take you to Microsoft login page and show you message “You cannot access this right now”. That’s all about Project Robin feature in Microsoft Edge. We would like to know your opinion about what you think about Project Robin feature? Comment section is all yours.

How to Enable Project Robin in Microsoft Edge  Under Development  - 55How to Enable Project Robin in Microsoft Edge  Under Development  - 89