Chapter 2. Enhancements

2.1. AMQ C++

ENTMQCL-420 - Improve the API for handling map data
The API for map-structured data now provides methods to convert to standard C++ data structures as well as to raw proton::value objects.
ENTMQCL-516 - Expose connection driver "tick"
The connection_driver interface now includes a method to trigger additional IO and event processing. This is useful for custom IO integrations.
ENTMQCL-527 - Improve the API for scheduling work
This release introduces the work_queue and work interfaces. They enable you to define routines that can be injected into the event-processing stream across thread boundaries or scheduled for later execution.
AMQ C++ is now based on Qpid Proton 0.18.0

2.2. AMQ JavaScript

AMQ JavaScript is now based on Rhea 0.2.5

2.3. AMQ JMS

ENTMQCL-543 - Add ability to reject messages in JmsRedeliveryPolicy
You can now set the message-acknowledgment policy for redelivered messages using the jms.redeliveryPolicy.outcome connection URI option.
Add support for the Netty epoll transport
If the OS supports it, the client now uses the epoll IO interface for improved performance.
AMQ JMS is now based on Qpid JMS 0.26.0

2.4. AMQ Python

AMQ Python is now based on Qpid Proton 0.18.0

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