From IBM MQ Version 9.0 there are two types of release; a Long Term Support Release (LTSR) and Continuous Delivery Release (CDR). The aim of the two release types is to meet the requirement for delivery of new and enhanced IBM MQ functions as rapidly as possible in the next CDR, while at the same time maintaining a stable long term support release for systems that need a long term deployment of IBM MQ , and for customers who prefer this traditional option. The release model Externally, for IBM MQ , the two release types are distinguishable by the modification number in the version.release.modification ( v.r.m ) release identifier. IBM MQ Version 9.0 .0 has a zero modification number and is designated as LTSR. Continuous Delivery releases will have a non-zero modification number, for example, 9.0.1, 9.0.2, and so on. LTS Releases are updated by fixpacks or PTFs, which provide defect fixes and security updates in a predictable fashion. This process matches the way ser