what are the new features available in AEM 6.5 to imp...

[#1]

I am using AEM 6.3 and planning to migrate it to 6.5.what are the new features available in AEM 6.5 to impalement.

[#2]

Refer to this below video as well. It has the case study of migration of two projects. What went easy and where they  faced challenges they have explained it all. 

https://www.youtube.com/watch?v=WomYhJqABks