EBS 12.2.7 is the latest update to E-Business Suite 12.2. It can be applied online -- you do not need to take your EBS environment down to apply this update.
Our online E-Business Suite Documentation Web Library always contains the latest versions of all of our guides, including our Installation Guides, Upgrade Guides, and Readme Notes:
The following Roadmap Note is also a critical reference, since it is a master index of all official Notes for advanced topics that complement our guides in the Documentation Library:
All EBS sysadmins should bookmark this Note. The indexed Notes are essential for nearly all EBS installations. Here are some examples: