What's changed in IBM MQ 8.0.0

Changes in Version 8.0.0

For a subset of this list, containing only those changes that might affect existing applications or configurations, see Changes that affect migration.

Table 1. Summary of Version 8.0.0 changes

What changed	Link to more information
Existing API exits that make MQI calls directly, that is, those exits that do not use , MQIEP.	APIs: change to the operation of API exits
SVRCONN channel STOPPED channel status has been changed to allow it to persist for a queue manager restart	Change to STOPPED status on a SVRCONN channel
crtmqenv	Command changes: crtmqenv command
dmpmqcfg command has been changed to ensure that password fields are commented out in the generated commands.	Command changes: dmpmqcfg output
DISPLAY CONN runmqsc command	Command changes: results displayed in response to DISPLAY CONN command from runmqsc
runmqsc command has two new client modes and a new MQPROMPT environment variable	Command changes: runmqsc command
Command level	Command level: changes
Start events for multi-instance queue managers	Extended start events for multi-instance queue managers
IBM i support for IBM MQ Advanced Message Security	IBM i: changes for IBM MQ 8.0
IBM i support for split cluster transmission queues	IBM i: changes for IBM MQ 8.0
Character string conversion with Java and JMS clients	Java and JMS: changes to character string conversion
SSL/TLS CipherSuites support in the IBM MQ classes for Java and IBM MQ classes for JMS	Java and JMS: changes to CipherSuite support
IBM MQ resource adapter IVT application support for WildFly V10	Java and JMS: resource adapter changes
Java 7 support	Java: changes for Java 7
IBM MQ classes for Java connector.jar dependency and APIs for public classes.	Java: Changes to IBM MQ classes for Java
Control of Java tracing behavior	Java: changes to Java tracing behavior
MQException and MQDataException class logging	Java: changes to MQException and MQDataException class logging
IBM MQ classes for JMS Bytes and Stream message states	Java: changes to MQException and MQDataException class logging
JMS ExceptionListener	JMS: Exception listener changes in Version 8.0
Enforcement of unique client IDs (JMS 2.0)	JMS: changes to IBM MQ classes for JMS
JMS ObjectMessage class name allowlisting support	JMS: changes to IBM MQ classes for JMS
jms.jar file (JMS 2.0)	JMS: changes to JAR files for JMS 2.0
In addition to normal mode and migration mode, you can also select normal mode with restrictions	JMS: changes to PROVIDERVERSION property
Managed File Transfer new agent property addCommandPathToSandbox	What's new and changed in Version 8.0.0, Fix Pack 6
Managed File Transfer new agent property adminGroup for use with MFT agents on z/OS	What's new and changed in Version 8.0.0, Fix Pack 6
Managed File Transfer fteMigrateAgent command	What's new and changed in Version 8.0.0, Fix Pack 6
Publish/subscribe cluster topic behavior	Changes to cluster topic behavior
Publish/subscribe DISPLAY TOPIC and DISPLAY TPSTATUS output	Publish/subscribe: changes to DISPLAY TOPIC and DISPLAY TPSTATUS output
Publish/subscribe message selection	Publish/subscribe: changes to how the subscription selection string is evaluated
Publish/subscribe PROXYSUB(FORCE)	Publish/subscribe: changes to proxy subscription propagation using PROXYSUB(FORCE)
Queue manager default TCP send and receive buffer sizes	Queue managers: change to default TCP buffer size
Queue manager version attribute	Queue managers: Version attribute added for queue managers in a cluster
Security certificate revocation checking configuration using ClientRevocationChecks attribute	Security: certificate revocation checking
CipherSuite support	Security: changes to CipherSuite support
Security: GSKit version (IBM MQ 8.0.0, Fix Pack 6)	What's new and changed in Version 8.0.0, Fix Pack 6
CONNAUTH CHCKLOCL parameter for user ID and password checking for local connections	Security: new CONNAUTH CHCKLOCL parameter
Object authority manager (OAM) user-based permissions on UNIX and Linux®	Security: OAM user-based permissions on UNIX and Linux systems
IBM MQ Advanced Message Security disabling at the client	Security: Disable IBM MQ AMS at the client
Password protection on client applications	Security: password protection on client applications
SSL or TLS channel send exit buffer space	Security: reduction in channel send exit buffer space for SSL and TLS
Client installation	Solaris client: change in method of installation
IBM MQ Telemetry SDK	Telemetry: changes to IBM MQ Telemetry Clients Software Development Kit (SDK)
Default installation location	Windows: changes for IBM MQ 8.0
Queue manager	Windows: changes for IBM MQ 8.0
Microsoft Visual Studio compiler	Windows: changes for IBM MQ 8.0
Available CipherSpecs	z/OS: change to available CipherSpecs
Mapped IP addresses shown in error messages in the CHINIT address space	z/OS: Change to display of mapped IP addresses in error message inserts
MAKECLNT CSQUTIL tool is stabilized	z/OS: change to MAKECLNT
Log RBAs and Unit of Recovery Identifiers (URID)	z/OS: changes to log RBA and URID lengths
IBM MQ Managed File Transfer for z/OS	Changes to IBM MQ Managed File Transfer for z/OS, Version 8.0
Channel initiator (CHINIT) SMF records	z/OS: channel initiator SMF records
Queue manager attributes DNSWLM and DNSGROUP	z/OS: WLM/DNS no longer supported
Change to DISPLAY USAGE command	DISPLAY USAGE
Changes to DISPLAY command output	z/OS: changes to DISPLAY command output

Stabilizations, deprecations and removals in Version 8.0

Table 2. Summary of stabilizations, deprecations and removals at Version 8.0

Stabilized, deprecated or removed feature	Link to more information
Stabilization: MAKECLNT CSQUTIL tool	z/OS: change to MAKECLNT
Deprecation: Linking with libmqmcs and libmqmzse libraries	Deprecation: linking with libmqmcs and libmqmzse libraries
Deprecation: Managed File Transfer Web Gateway	Deprecation: Managed File Transfer Web Gateway deprecation
Deprecation: SSLv3 protocol	Deprecation: SSLv3 protocol
Deprecation: CipherSpecs using cryptographic algorithms, or protocols, that are now considered to be weak	Deprecation: weaker cryptographic algorithms
Deprecation: CipherSpecs (IBM MQ 8.0.0, Fix Pack 6)	What's new and changed in Version 8.0.0, Fix Pack 6
Deprecation: MQ Explorer Service Definition Wizard	Deprecation: IBM MQ Explorer Service Definition Wizard
Deprecation: IBM MQ transport for SOAP client and HTTP bridge	Deprecations: IBM MQ transport for SOAP client and HTTP Bridge
Removal: CSQUMGMB command (z/OS)	Command changes: removal of migmbbrk and CSQUMGMB
Removal: migmbbrk command	Command changes: removal of migmbbrk and CSQUMGMB
Removal: Direct and DirectHTTP transport support	JMS: changes to IBM MQ classes for JMS
Removal: Support for Visual Basic Attention: Visual Basic .NET is still supported.	Software product Compatibility report for Windows