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Version 1.2.0
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@fpagliughi fpagliughi released this 27 Dec 19:46
· 130 commits to master since this release
v1.2.0
33921c8

This release brings in some missing MQTT v5 features, support for websocket headers and proxies, ALPN protocol lists, adds the builder pattern for options, and fixes a number of bugs in both the C++ library and the underlying C lib.

Requires Paho C v1.3.8

  • Missing MQTT v5 features:
    • Ability to add properties to Subscribe and Unsubscribe packets (i.e. subscription identifiers)
    • "Disconnected" callback gives reason code and properties for server disconnect
  • New create_options that can be used to construct a client with new features:
    • Send while disconnected before the 1st successful connection
    • Output buffer can delete oldest messages when full
    • Can choose to clear the persistence store on startup
    • Select whether to persist QoS 0 messages
  • Started classes to create options using the Builder Pattern, with the create_options_builder, connect_options_builder, message_ptr_builder, etc.
  • User-defined websocket HTTP headers.
  • HTTP/S proxy support
  • Added ALPN protocol support to SSL/TLS options
  • SSL/TLS error and PSK callback support
  • Update connection callback support (change credentials when using auto-reconnect)
  • Updates to the sample apps:
    • Overall cleanup with better consistency
    • Example of using websockets and a proxy
    • User-based file persistence with simple encoding/encryption
    • Sharing a client between multiple threads
  • Converted the unit tests to use Catch2
  • All library exceptions are now properly derived from the mqtt::exception base class.
  • [#231] Added on_disconnected callback to handle receipt of disconnect packet from server.
  • [#211, #223, #235] Removed use of Log() function from the Paho C library.
  • [#227] Fixed race condition in thread-safe queue
  • [#224] & [#255] Subscribing to MQTT v3 broker with array of one topic causes segfault.
  • [#282] Ability to build Debian/Ubuntu package
  • [#300] Calling reconnect() was hanging forever, even when successful. In addition several of the synchronous client calls were hanging forever on failure. They now properly throw a timeout_error exception.
  • Several memory issues and bug fixes from updated Paho C library support.
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