Does anyone has "Generate Image" & Firefly 2 on their Beta?

So here's a video tutorial that I found on Youtube; he claims he has a new feature on his beta (25.5) called "Generate Image", which looks legit, but I don't have it even though I have the latest update and have been checking on the updates regularly. 

https://www.youtube.com/watch?v=pVeYc-be1Dw Here's the video.