My third article for MSDyanmicsWorld.com was just released. It talks about the end-of-life of Adxstudio Portals, the release of the Dynamics 365 Portals v8.3 source code, and some of the new features of that 8.3 release.
You can check out the full article here (please note that you will need to sign up for a free account if you do not already have one).