wolfMQTT v1.13.0 (04MAY2022)

• Fix windows build test by @lealem47 in #286
• Add async support for wolfMQTT by @dgarske in #285
• Allow message callback to set reason code for response by @embhorn in #287
• Porting WolfMQTT to NUCLEO F767ZI with TOPPERS OS by @nekoman2187 in #254
• Fixes for non-blocking state and large payload by @dgarske in #288
• Add CMake support build by @elms in #292
• Fix for improper reset of shared object by @dgarske in #291
• cmake: add example option and fixes for vcpkg by @elms in #293
• cmake: shared/static lib build and cleanup by @elms in #295
• Fix example msg cb print error @embhorn in #298

wolfMQTT v1.12.0 (23FEB2022)

• Allow MqttClient_WaitType to return MQTT_CODE_CONTINUE with MT (PR #283)
• Fix decoding user property and add example (PR #282)
• Fix issue with MqttClient_Publish_WriteOnly not waiting properly for ACK
  (PR #281)
• Fix MQTTv5 disconnect with props (PR #279)
• Add new publish write only API for multi-threading (PR #277)
• Fix for multithreaded cancel (PR #276)
• MQTT-SN Add disconnect_cb when disconnect recv from broker; Fix PUB ACK
  return status handling (PR #274)
• Enable TLS1.3 in examples (PR #273)
• Adding windows github actions build test (PR #272)

wolfMQTT v1.11.0 (07JAN2022)

• Return correct error code in SN_Client_Connect (PR #268)

• Removing unsupported TLS and SNI options in sn-client (PR #266)

• Fixes for multithreading with non-blocking (PR #252)

• Doxygen work removing depreciated command and fixing other warnings (PR #264)

• Fix overwriting TLS error in connect (PR #259)

• Add GitHub Actions (PR #256 #260 #263)

• Fix wm_Sem on Windows (PR #255 #261)

• Fix scripts for host without mosquitto (PR #257 #265)

• Trim whitespace and convert tab to spaces (PR #251)

• Refactor of write length (PR #250)

• Fixes for publish edge cases (PR #248)

• Remove unused sub_id element, add support for local test broker (PR #249)

• Fix to make sure MqttClient_DecodePacket called in all cases (PR #246)

• Known bug with multithread and without nonblocking enabled in this release.

wolfMQTT v1.10 (11/02/2021)

• Improve FALL_THROUGH macro logic for XC32. (PR #227)
• Fix potential NULL printf in MqttSocket_Connect with verbose debug enabled. (PR #229)
• Fix non-block chunked transfer. (PR #230)
• Fix QoS responses (PR #231, 240)
• Fix MQTTv5 property handling (PR #232, 233, 234, 236, 238, 241)
• Fix fuzzing test issues (PR #242)
• Fix nb client build issue (PR #244)

wolfMQTT v1.9 (07/16/2021)

• Fixes for Sensor Network client (PR #204, #214, #219)
• Fixes for non-blocking (PR #205)
• Fixes for multithread (PR #207, #209, #211, #218)
• Fix for MQTTv5 publish response handling (PR #224, #220)
• Fix subscribe return code list (PR #210)
• Fix switch statement fallthrough on other toolchains (PR #225)
• Add HiveMQ Cloud capability with SNI feature (PR #222)
• Add ability to publish files from example client, fix chunked publish (PR #223)

wolfMQTT v1.8 (02/19/2021)

• Fixes for non-blocking in WIN32 and large payload (PR #202)
• Make TLS IO callback functions public (PR #201)
• Bug fixes (PR #186, 188, 189, 193, 196, 199, 200)
• Update default test broker (PR #194)
• MQTT-SN fixes for multithread and register topic name (PR #185, 190)
• Fix multi-thread to use pthread mutex with condition (PR #183)
• Fix for WIN thread create macro (PR #182)
• Use options.h with Arduino build (PR #181)
• Use MqttClient_Ping_ex instead of MqttClient_Ping in examples (PR #179)
• Fixes for building with MinGW (PR #178)
• MQTT-SN support for multithread (PR #176)
• TLS mutual auth in client examples (PR #175)
• MQTT-SN feature enhancements (PR #173)
• Add runtime message option to client (PR #171)

wolfMQTT v1.7 (08/21/2020)

• Fix for publish with short topic name and example. (PR #169)
• Add MqttProps_ShutDown(). Fix MqttProp leaks(PR #167)
• Multithread fixes. (PR #166)
• Fix buffer overrun in strcpy(). Fix logic around getaddrinfo(). (PR #165)
• Fix MqttClient_WaitType for nonblock mode. (PR #164)
• Change anon union for ARMv6 error. (PR #163)
• Fix for publish large payload. (PR #162)
• Fixing LWT prop and allow null LWT. (PR #161)
• Fix for receive timeout in mqttsimple example. (PR #158)

wolfMQTT v1.6 (04/24/2020)

• Fixes to improve buffer size checking when using a small tx or rx buffer. (PR #137)
• Fix for MQTT v5 issue with using wrong property free. (PR #152)
• Refactor of the thread locking to use binary semaphore, which resolves issue with thread synchronization. (PR #146)
• Improved multi-thread example exit (ctrl+c). Use internal pipe to wake "select()" and use semaphore signal to "wake" ping thread. (PR #146)
• Adjust multi-threading use case to use separate thread for ping keep-alive. (PR #146)
• Added simple standalone MQTT client example. (PR #138)
• Added include for "user_settings.h" when WOLFMQTT_USER_SETTINGS is defined. (PR #138)
• Added broker compatibility list (PR #145)
• Added protocol version API's. (PR #152)
• Added multithread example for Windows and Visual Studio. (PR #146)
• Made protocol level a run time option (PR #147)
• Remove obsolete "sched_yield" call. (PR #146)
• Remove deprecated call to wolfSSL_set_using_nonblock() (PR #148)
• Sync automake fixes from wolfSSL to wolfMQTT. (PR #150)
• Moved MAX_PACKET_ID to library. (PR #138)

wolfMQTT v1.4 (12/27/19)

• Fixes for non-blocking and multi-threading edge cases. (PR #130)
  • Improved logic for processing objects from different threads.
  • Improved network connect/read to handle runtime option for block/non-block.
  • Improved examples to support adding random hex string to client_id and topic name when "-T" option is used.
  • Fix for test scripts to check non-zero return code.
  • Enabled the mqttclient, multithread and wiot examples when non-blocking is enabled.
  • Added encode debug log messages when WOLFMQTT_DEBUG_CLIENT is defined.
  • Added thread logging when WOLFMQTT_DEBUG_THREAD is defined with multi-threading support enabled.
• Fixes for Visual Studio project (PR #122)
  • Improvements to catch use of socket file descriptor before its been created/opened.
  • Improved handling for Windows socket want write.
  • Added library references to wolfSSL project.
  • Adjusted include to have IDE/WIN for user_settings.h.
• Fixes for Visual Studio conversion warning (PR #128)
• Fix visibility warnings in Cygwin (PR #127)
• Fix global declaration conflicts for CentOS (PR #133)
• Fix Microchip Harmony for mqtt_socket.c with non-blocking and errno.h (PR #135)
• Fix to not return from MqttClient_WaitMessage if response from another thread (PR #129)
• Refactor of the multi-threading code to better handle edge case and state for non-blocking (PR #126)
  • Fixes for multi-thread handling of ack's when processing.
  • Refactor to use stat from own struct, not shared msg->stat.
  • Eliminated use of client->msg except for MqttClient_WaitMessage.
  • Fixes to restore "state" after performing MqttClient operation.
  • Refactor of publish read and write payload.
  • Improvements to multithread example.
  • Refactor of the SN code to support new object type and unique state for future multi-thread support.
  • Added build option TEST_NONBLOCK to force testing non-blocking edge cases.
  • Fix for fwpush getting stuck in stop loop on Ctrl+c exit.
• Update Azure login and default broker (PR #131)

wolfMQTT v1.3 (08/01/19)

• Fix fwpush example to use filename option -f. (PR #117)
• Fix for MQTT_DATA_TYPE_BINARY data length encoded twice. (PR #112)
• Fix to clear local structures for subscribe and unsubscribe ACK's. (PR #112)
• Fix for SN_Encode_Unsubscribe using wrong data type for topic name ID. (PR #110)* Fixes for using RTCS in mqttnet.c socket example code. (PR #108)
• Fix MQTT-SN decode publish parsing and QoS2 response. (PR #107)
• Fix for Harmony possible circular include issue. (PR #98)
• Added multiple thread support using --enable-mt or WOLFMQTT_MULTITHREAD. (PR #115)
• Changed MqttSocket_TlsSocket callbacks to be public. (PR #104)
• Improved the disconnect network error callback example. (PR #102)
• Add MQTT context information to socket callback examples. (PR #101)
• Initialize subscribe state to MQTT_MSG_BEGIN. (PR #99)
• Added WOLFSSL_USER_SETTINGS to VS project files. (PR #109)