Adobe Experience Manager 6.3 is now live. You can find the documentation here:
https://helpx.adobe.com/support/experience-manager/6-3.html
Here is a good overview of what’s new with Experience Manager 6.3.
AEM 6.3 Feature Video Landing Page
Here is a good article about getting started with Adobe Experience Manager 6.3:
Creating your First Adobe Experience Manager 6.3 website