Hi there!
Yes, you’re reading well, MS have launch the preview of AzureAD in the new Azure Portal. As you know, when you need to configure something of AzureAD in the new portal, automatically redirects to manage.windowsazure.com.
It was very confusing and it was simply stupid, but from today we can enjoy the new AzurePortal:
I hope that MS will be improving the user experience of this new feature, but for this time this are great news 🙂
If you want to hear more info about this, you can visit the following Technet Blog
Cheers!