Oracle provides bug fixes and legislative updates for Oracle E-Business Suite as part of its Premier and Extended Support offerings. The requirements and methods for delivering those updates are explained here:
We've updated this document with new content for EBS 12.2. All EBS 12.2 customers should read Version 5 carefully.
What is our standard guidance?
Oracle recommends that all customers apply the latest suite-wide Release Update Pack. There are significant benefits to keeping your E-Business Suite environment updated with the latest suite-wide Release Update Packs:
What has changed?
We have added new content that specifies that the minimum patching baseline for the EBS 12.2 base release is the EBS 12.2.3 Release Update Pack and some additional specific AD and TXK patches.
Should you apply later EBS 12.2 patches?
Yes. As of today, the latest RUP available is the EBS 12.2.4 Release Update Pack.
We recommend that all EBS 12.2 customers apply the latest RUP and AD/TXK patches available, even though the minimum level specified in the updated Error Correction is lower.