Yes, we were streaming for 24h about Liferay DXP and Liferay Portal 7.3 (and previous versions). All kinds of technical information that might be of interest for you. You might have missed it, but luckily we have it all recorded - and the recordings are available for you:
Developers, this was presented as a Workshop at past devcon with good reception.
Clay has been rewritten from the ground up using React in a new major version, radically improving developer experience to deliver great, stable and consistent user experiences for your applications. In this workshop, you’ll learn all about the new components, features and improvements this version includes, build a rich and interactive application and see how easy it is to deploy and integrate it with Liferay DXP to deliver awesome experiences to your customers.