I've noticed quite a few quickstarts are being modified to use DeltaSpike, changing the target from EAP to WFK. My only concern is that the quickstarts are mentioned frequently in the EAP 6 documentation. Sometimes they point to the quickstarts for examples on how to code things. I did a quick search and it appears the following quickstarts are mentioned (I may have missed 1 or 2):
I'm just mentioning this so we are aware that changes like this could impact the EAP 6.1 docs.

Thanks,
Sande