Package versions:

Apt/Debian:
azure-iot-sdk-c - 0.2.0.0-23xenial
azure-iot-sdk-c - 0.2.0.0-16bionic
azure-iot-sdk-c - 0.2.0-23trusty

VcPkg:
Port: azure-iot-sdk-c
Version: 2019-10-07.1

C Device SDK

Added Azure Security Center Client
Added missing srand() to modules that use rand()
Added compiler support to C18
Changed the fail reason from DEVICE_DISABLED to BAD_CREDENTIAL if the key or device-id is not correct in connection status callback
Fixed certGen.sh for devices
Forced single initialization of HTTPAPIEX for upload to blob
Fixed product info bug in AMQP transport (for Device Twin)
Improved MQTT transport by always deleting xio in cleanup functions
Exposed option for setting connection retry interval rate in AMQP and MQTT transports
Updated code to use macro-utils new MU_DEFINE_ENUM_STRINGS
Added cmake install directives for libmsr_riot.a
Fixed check for number of failed reconnection attempts in MQTT transport
Removed hardcoded key name usage from iothub_messaging_ll.c (allows to use non "iothubowner" IoT Hub strings with service client)
Added connection status callback invokation on MQTT ping fail
Fixed compilation warnings (MSVC)
Added new build verification jobs (Bearssl)
Added/improved tests
Added improvements to documentation in general
Changed reported properties and send event callback functions to store context per send, not per iothub_client handle

C Shared Utility

Added async DNS resolution using c-ares
Fixed critical socketio_win32 bug where socketio_send() would drop packets if send() returns SOCKET_ERROR and WSAEWOULDBLOCK
Fixed critical socketio_berkeley bug where socketio_send() would drop packets if send() returns -1 and errno=EAGAIN
Added better logging of the lost etw messages
Added constbuffer_array_batcher
Fixed check for lock in openssl
Added mbedtls support for httpapi curl
Added C18 compiler support.
Updated mbedtls to not send multiple complete messages for each send
Added BearSSL TLS adapter layer
Fixed mbed tls not to close the socket until the TLS layer notifies the peer of closure
Added constbufferarray_create_with_move_memory tests and code