IBM MQ features by version

Version-to-version feature comparison tables.

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Features introduced at IBM MQ 9.4

The following tables show the features introduced at the IBM MQ 9.4.0 initial release and at each IBM MQ 9.4.x CD release.

For feature tables for earlier versions of IBM MQ, see IBM MQ features introduced at older versions.

IBM MQ 9.4 License entitlement, installation and migration features

Table 1. License entitlement, installation and migration
Feature	Requires entitlement	IBM MQ 9.4.0 initial release	IBM MQ 9.4.x CD only
New method for applying maintenance on Windows and Linux®		9.4.0
Native HA entitlement		9.4.0

IBM MQ 9.4 security features

Table 2. Security
Feature	IBM MQ 9.4.0 initial release	IBM MQ 9.4.x CD only
JSON Web Token (JWT) support and token based authentication: JSON Web Token (JWT) support - authentication and authorization JWT JMS client support Administration of token based authentication is significantly simplified with support for JWKS key management	9.4.0
JWKS support for automatic queue manager side certificate management		9.4.2
JWT endpoint support in IBM MQ classes for JMS/Jakarta Messaging		9.4.3
HTTPS connections: HTTPS supported for accessing a CCDT through a URL		9.4.1
Support for customized SSLSocketFactory for CCDT and JWT retrieval over HTTPS		9.4.5
REST API: New property to set the user context that is used for authorization in the messaging REST API	9.4.0 9.4.0
TLS support: Support for TLS1.3 on managed .NET clients	9.4.0
New TLS skip validation mode for IBM MQ client applications on C and JMS	9.4.0 9.4.0
New dspmqcert program for checking SSL/TLS certificate dates		9.4.1
Custom path for TLS certificates in IBM MQ .NET and XMS .NET client applications		9.4.4
Improvements to how IBM MQ selects the keystores to use for TLS		9.4.4
Specify that replication links in your HA RDQM, DR RDQM, and DR/HA RDQM configuration are secured with TLS		9.4.4
Federal Information Processing Standards (FIPS) support: Support for the IBM Semeru Runtime FIPS 140-3 security provider		9.4.2
Support for FIPS in AMS, JWT, JWKS, HTTPS CCDT retrieval and the Password Protection system		9.4.4
Federal Information Processing Standard (FIPS) compliance with IBM MQ Explorer		9.4.5 9.4.5
MQIPT: Changes to MQCSP password protection in MQIPT	9.4.0
New property to specify the protocols that MQIPT routes accept	9.4.0
New command to manage keystores and certificates that are used by MQIPT	9.4.0
Key and certificate management: New commands to manage keys, certificates, and certificate requests	9.4.0
Event monitoring: Extended authority events for positive authentication		9.4.3
IBM Global Security Kit (GSKit): Cryptographic library GSKit upgraded to version 9		9.4.4
Cryptographic library GSKit upgraded to version 9		9.4.5
Managed File Transfer: Managed File Transfer support for OpenSSH type Private key for SFTP servers		9.4.2

IBM MQ 9.4 administration features

Table 3. Administration
Feature	IBM MQ 9.4.0 initial release	IBM MQ 9.4.x CD only
IBM MQ Console: New IBM MQ Console layout at queue manager view level Overview tab showing overall state of a queue manager Queues tab view of objects associated with a queue Applications Overview tab MQ Network Overview tab Improved application visibility and localized time zone Add, view, delete and update storage classes on z/OS® View page sets and buffer pools can be viewed on z/OS	9.4.0 9.4.0
Customized column view Administer z/OS coupling facility (CF) structures Monitor shared message datasets on z/OS		9.4.2 9.4.2
Queue manager status view now available in the IBM MQ Console		9.4.3
IBM MQ Console filtering and sorting		9.4.4 9.4.4
Moving and copying messages in the IBM MQ Console		9.4.5 9.4.5
IBM MQ Web Server Stand-alone IBM MQ Web Server	9.4.0 9.4.0
Command and configuration enhancements: CAPEXPRY attribute available on Multiplatforms CAPEXPRY attribute available on z/OS	9.4.0 9.4.0
Extension of queue manager status attributes	9.4.0
dspmqver command now reports release type	9.4.0
Environment variables for tuning I/O operations that take too long	9.4.0
LZ4 compression available for channels	9.4.0
Increased scalability for channel initiator	9.4.0
Performance monitoring enhancements (mqperfck command)		9.4.2
Data conversion support for the latest GB18030 standard		9.4.2
Force option might be required when you change a queue manager CCSID		9.4.3
Simpler connectivity to cloud		9.4.3
Improved alternative site recovery		9.4.3
Accessing error logs programmatically		9.4.5
Native High Availability (Native HA): Addition of Native HA status attributes	9.4.0
Enhancements for monitoring Native HA instances		9.4.5
LZ4 compression available for Native HA	9.4.0
Autorecovery of damaged objects for Native HA queue managers	9.4.0
Native High Availability and Cross Region Replication on Linux		9.4.4
MQIPT: MQIPT trace file configuration enhancements	9.4.0
OpenTelemetry tracing support: OpenTelemetry tracing with IBM MQ on AIX®, Linux, and Windows OpenTelemetry tracing with IBM MQ on z/OS	9.4.0	9.4.3
Integrated OpenTelemetry tracing with the IMS Bridge		9.4.5
Integrated OpenTelemetry tracing with publish/subscribe		9.4.5
IBM z/OS Management Facility (SMF): Enhancements to SMF queue statistics records Enhancements to SMF accounting data	9.4.0
Logging: Faster log throughput with zHyperLink	9.4.0
Media image scheduling - linear logging	9.4.0
Media image scheduling - replicated logging	9.4.0
RDQM (replicated data queue manager): RDQM available on RHEL 9	9.4.0
Secure heartbeat for HA RDQM		9.4.5
Kafka Connect: Unlocking events from mission-critical data using Kafka Connect	9.4.0 9.4.0
Simplifying data conversion with the Kafka Connect XML Converter Update to the Kafka Source and Sink connectors		9.4.2 9.4.2
Support for Kafka Connect		9.4.3 9.4.3
Additional capabilities for users with IBM MQ Advanced for z/OS entitlement	9.4.0
Managed File Transfer: Managed File Transfer resource monitor verbose level logging events Option to run fteRAS for specific MFT agents	9.4.0 9.4.0

IBM MQ 9.4 application development features

Table 4. Application development
Feature	IBM MQ 9.4.0 initial release	IBM MQ 9.4.x CD only
Support for AIX compiler IBM Open XL C/C++ for AIX 17.1.0	9.4.0
AMQP and MQTT: Performance improvements for processing of AMQP message acknowledgments	9.4.0
Enabling JSON formatted logs for AMQP and MQTT	9.4.0
Java heap dump generation to troubleshoot low memory exceptions for AMQP and MQTT		9.4.1
Simplified configuration of AMQP and MQTT application properties		9.4.2
IBM MQ .NET and XMS .NET: New set of .NET 6 libraries Ability to enable trace for IBM MQ .NET and XMS .NET client libraries with mqclient.ini Improvements to IBM MQ .NET and XMS .NET client diagnostic messages Support for .NET 8 applications using IBM MQ classes for .NET and IBM MQ classes for XMS .NET	9.4.0
Support for .NET 10 at runtime		9.4.5
IBM MQ classes for JMS and IBM MQ classes for Jakarta Messaging: New property to set the strategy for sharing TCP/IP connections in IBM MQ classes for JMS or IBM MQ classes for Jakarta Messaging Support for using modular applications with IBM MQ classes for JMS and IBM MQ classes for Jakarta Messaging	9.4.0 9.4.0
Application re-balancing support for IBM MQ classes for JMS	9.4.0
Multiple JMS connections can be treated as a single application instance		9.4.2
REST API: Remote messaging with the messaging REST API	9.4.0 9.4.0

IBM MQ 9.4 Containers features

Table 5. Containers
Feature	IBM MQ 9.4.0 initial release	IBM MQ 9.4.x CD only
Containers non-install image added for Linux ARM64 / Apple Silicon	9.4.0
Support for deployments outside OpenShift® with the IBM MQ Advanced container image		9.4.1
License tagging for non-production container workloads		9.4.1
Native HA cross-region replication in containers		9.4.2