Here's a nice blog post which highlights important KBs:
http://blogs.vmware.com/kb/2013/09/vsphere-5-5-is-here-kbs-you-need-to-know-about.html
I'm a Sr. Systems Engineer at a Global Environmental Engineering company. I've been in IT since 1999 and from 2005, my focus has been VMware datacenter products. More recently, my attention has been for Microsoft Azure services. As the Global Service Owner for VMware Datacenter products, I've had the pleasure of having in-depth and hands-on experience with not only VMware products, but server, storage and networking technologies.