Changes to CICS user-replaceable programs

This section summarizes the changes to user-replaceable programs across supported CICS® releases. Use this information to plan the impact of upgrading from one release to another. For each CICS release, you must reassemble all user-replaceable programs, even if you have not changed them.

If you are upgrading from an end-of-service release, you can find information about the changes that are relevant to those releases in Summary of changes from end-of-service releases.

Table 1. Changes to user replaceable programs by release of CICS TS
Program 5.4 5.5 5.6 6.1
DFHBMSX NEW      
DFHWBOPT NEW with APAR NEW with APAR NEW