Page History

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• The C++ broker now enables producer flow control by default. It is controlled via the default-flow-stop-threshold and default-flow-resume-threshold broker configuration parameters. See QPID-2935.
• In the C++ broker, when declaring an exchange with an unknown type or canceling a message on an unknown subscription, an exception with code 404 is created. See QPID-2324 and QPID-2326.
• The C++ broker now enables QMF version 1 and 2 event broadcasts by default. Previously only QMF version 1 events were enabled.
• In the C++ broker, invalid arguments now result in a rejected queue-declare where previously they were ignored. See QPID-3087.
• The C++ client now raises an exception if it is issued connection options that it doesn't recognize. Previously it silently ignored them. See QPID-3115.

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New features and improvements

• QPID-529: The C++ broker now supports priority-ordered message queuing.
• QPID-1916: The Java release now includes Maven artifacts were published for the Java client.
• QPID-2104: The C++ broker has an improved last-value queue implementation.
• QPID-2777, QPID-3009: There are new, experimental Perl, Python, and Ruby bindings for the C++ messaging API.
• QPID-2921: In the C++ broker, message completion is now an asynchronous operation in more situations.
• QPID-2934: C++ QMF agents can now authorize incoming method calls using an authentication ID passed with the corresponding message.
• QPID-2935: The C++ broker and client now implement flow control by default. Related: QPID-3081.
• QPID-2958: The .NET binding to the C++ client now targets an older version of the .NET Framework, 2.0, for broader compatibility.
• QPID-2966: The C++ broker now allows administrators to alter logging levels at runtime.
• QPID-3000: The C++ broker now optionally waits a configured time before removing auto-delete queues.
• QPID-3002: The C++ broker now generates alerts when queues reach a certain depth.
• QPID-3015: The C++ broker now supports creating queues and exchanges via QMF.
• QPID-3031: The C++ client now allows setting the SSL certificate name in the connection options.
• QPID-3032: You can now use more fine-grained ACLs to control QMF operations on the C++ broker.
• QPID-3067: Examples using the old messaging API have been isolated under a common directory.
• QPID-3115: Some cases where the C++ and python clients' connection options differed have been reconciled.

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• 14 fixes affecting the Java broker, with several critical fixes around memory usage.
• 18 fixes affecting the Java client
• 25 fixes affecting the C++ broker
• 6 fixes affecting the C++ broker's clustering feature
• 11 fixes affecting the C++ client

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