We have recently been asked which Oracle JDeveloper patches are required for use with Oracle E-Business Suite Release 12.2.8. The short answer is that the patches required for Release 12.2.8 are the same as those for Release 12.2.7.
You can learn more by referring to the recently updated master document on this subject, MOS Note 416708.1:
This note also lists the Oracle JDeveloper patches required for 12.2.8, 12.2.7, 12.2.6, 12.2.5, and many other Oracle E-Business Suite releases.
These patches are intended for creating OA Extensions to OA Framework-based pages in Oracle E-Business Suite.
When you create such extensions, you must use the version of Oracle JDeveloper shipped by the Oracle E-Business Suite product development team, which is specific to the EBS Applications Technology patch level. This means that there is a new version of Oracle JDeveloper with each new release of the EBS Applications Technology patchset.