For the latest information on upgrading to and from any versions of CICS TS, see CICS TS V5.6.
Changes to CICSPlex SM externals
CICSPlex® SM views and functions have changed
to support the changes in function for this release of CICS® and
CICSPlex SM. Check which changes might affect your system.
Programs that connect to a previous release of CICSPlex SM CICSPlex SM API
programs that use the CONNECT verb specifying a VERSION keyword for
a previous release of CICSPlex SM can
experience significant increases in both CPU consumption by the CMAS
address space and data space storage use by the Environment Services
System Services (ESSS) address space.