Message and code changes in IMS 15.3

IMS 15.3 includes new, changed, and deleted messages and codes.

Messages and codes that were added, changed, or deleted in earlier versions of IMS are not listed.

For messages and codes that were added or changed through the service process, the APARs or PTFs contain appropriate ++HOLD cards to indicate the updates.

Recommendation: Always check the ++HOLD cards in the service stream for information about new, deleted, or changed messages and abend codes.