Azure IoT SDKs

C Device SDK

• Upload to blob functionality

C# Device SDK

• Add new UploadToBlobAsync API implementing upload of a stream to Azure Storage.
• Now utilizes amqp 1.1.5

C# Service SDK

• Now utilizes amqp 1.1.5
• Adding API support for receiving file upload notifications

#Java SDK

• Implemented message timeout for AMQP protocol
• Java device client maven package is now Java 7/Android compatible
• Java sample for Android added

Internal Changes

• Updated the shared utility to use the ctest repo
• Shared utility updated with a new string function

Node.js Device SDK

• Upload to blob

Node.js Service SDK

• Upload notifications
• Deprecating Amqp.getReceiver in favor of Amqp.getFeedbackReceiver. Amqp.getReceiver will be removed for the next major release

General

• Change the location of the binaries produced with the build script to be contained within the repository directory
• Added arm support for the Nuget and apt-get packages

Bug fixes

• Adjusted the tls not to provide credentials by default.
• Fixed regressions with AMQP on UWP
• Python vcproj file contained a false ref to azure_shared_utility 1.0.7

Azure IoT SDKs

C# Device SDK

• Device Client code cleanup & refactoring (changed to pipeline model)
• Thread pool for MQTT threads
• More sophisticated error handling
• Retry operation if transient error occurred
• Support for X.509 client certificates as an authentication mechanism for devices

General

• Iothub-explorer - Pull request #551, tomconte – Add an option to generate a SAS Token for a device

Bug fixes

• Fix tlsio_schannel bug (not all input bytes were being read)
• Fix for the linux socket io layer
• C# MQTT Fixed exception handling to properly propagate to a user
• C# MQTT Fixed race in the message complete operation
• Linux defaults to not run the e2e tests

Internal Changes

• Fixed C longhaul tests for Windows, Linux and MBED platforms

Azure IoT SDKs

C Device SDK

• Cloud-to-Device message application properties exposed by AMQP transport to IoT client layer.
• Parse for a device SAS token input part of the device connection string.
• Added support for AMQP on Arduino Yun builds

Java SDK

• Device SDK is now Java 7 compatible. It can be used to target Android projects 4.0.3 or higher with HTTPS and MQTT protocols.

C# Service SDK

• Support for PurgeMessageQueueAsync
• Revised service API version with added support for custom blob names for Import/ExportDevicesAsync + quality of life changes for bulk operations

Node Device Client

• Added a node-RED module for Azure IoT Hub

Python SDK

• Bug fixes for messageTimeout option and message properties in the Python binding
• Build improvements

General

• Documentation fixes

Bug fixes

• GitHub issue #454: message-id and correlation-id properties now are exposed when using AMQP transport on IoT Hub C Device Client;
• Java Device SDK - fixed a bug which was preventing message properties being sent over AMQP protocol.

Azure IoT SDKs

C Device SDK

• MQTT improvements for network back off
• MQTT property support
• MQTT SAS Token refresh improvements
• Improved support building amqp over websockets
• Improved amqp connection recovery

Node SDK

• Further improvements in the error reporting for the device and service client
• Service client support for amqp over websockets

Java SDK

• Device client now has configurable SAS duration

C# Device SDK

• AMQP connection pooling support

Python SDK

• Python 3 support (now supporting 2.7, 3.4, 3.5)
• Improvements on the Python samples and unify command line options

General

• Documentation fixes
• Bug fixes
• pull request merges

Azure IoT SDKs

C Device SDK

• fixed AMQP over WebSockets transport interface to include Reg/Unreg Device APIs
• fixes for the C SDK build on Raspberry Pi 2
• changed the mqtt timeout from 5 min to 4 due to the service disconnecting after 5 min of idle time
• MBED library names have changed

Node Device SDK

• implemented transport agnostic errors with AMQP
• added custom IoT Hub errors and translate them from HTTP errors

Java Device SDK

• fixed a couple of issues which resulted in the client getting stuck after the SaS token expiration
• added Java wrapper over the C client

Java Service SDK

• fix for message delivery acknowledgement

Python Device SDK

• Windows 64bit support for Python 2.7
• various fixes

C# Device SDK

• added AMQP support for the UWP library

C# Service SDK

• Fix for nuget targeting ASP.NET 5 applications

General

• documentation fixes
• bug fixes
• pull request merges

Azure IoT SDKs

Node Device SDK

• more end-to-end tests
• fix maximum message size and message encoding in AMQP

C Device SDK

• Fix MQTT on mbed
• Support for passing a cert buffer consumed by tlsio_wolfssl on MBED.

Java Device SDK

• Support for AMQP over Websockets
• more end-to-end tests

Python Device SDK

• first version of the Python SDK

C# Device SDK

• Add PCL project to support UWP, iOS, Android, and Windows Phone 8.1

Azure IoT SDKs

C Device Client

• Fixed memory leaks on AMQP and MQTT client transports
• Re-added support to message properties on the AMQP transport
• Removed dependency on JDK 7 for C SDK
• Replace gcc, make and g++ with build-essential in Linux deps
• Added minor fixes for Arduino Yun build script
• Added option to set the connection keep alive value on MQTT transport

Node Device and Service Clients

• Updated Node.js SDKs to be compatible with node 0.10.x
• Fixed a node 0.12 compatibility bug in the client code
• Disable auto-reattach of links in node-amqp10
• Fixed Registry.create() to do not modify the deviceInfo parameter
• Added fix for using Browserify
• Fixed missing HTTP user-agent headers
• Add code coverage reporting on test execution
• Fixed updateSharedAccessSignature() bug in HTTP Transport

C# Device and Service Clients

• Added support for bulk CRUD operations

Java Device and Service Clients

• Added support for sending identification string to the IoT Hub service over AMQP protocol
• Fixed an issue which was causing the messages to be delayed by 3 seconds when sent over the AMQP protocol.
• Fixed concurrency issues.

General

• Test and documentation updates and improvements
• Bug fixes

Azure IoT SDKs

C Device and Service Clients

• Fix message settlement bug in AMQP Transport and enable E2E Tests in build
• Portability fix for CreateAgentDataType_From_String (EDM_INT32)
• C SDK - Remove static buffer from type system

Node Device and Service Clients

• Fix e2e tests package dependencies in Node.js SDK
• Missing npm install calls in build script for Node.js SDK
• Use single AMQP connection for send/feedbackReceiver tests in service client integration tests (Node.js SDK)
• Bugfix: incorrect calls to amqp10 message settlement functions
• Test code, dev docs and lib code now separated

C# Device and Service Clients

• Added reference to new readme file for the csharp service SDK
• Fix Amqp Tcp to WebSocket fallback and use a whitelist for transport retries
• Added Readme.md file for the C# service client SDK

Java Device and Service Clients

• Fix build error (random exception) for Java Client

General

• Build script for Arduino Yun device
• Merge pull request #292 from neeraj-khanna/develop

Azure IoT SDKs

C Device and Service Clients

• Removed Qpid Proton-C and Paho dependencies and replaced them with more compact libraries targeting small footprint devices
• Added support for using AMQP over WebSockets

Node Device and Service Clients

• Added bulk import and export operations in the Service client SDK
• Automated SAS token renewal in the device client SDK
• Transport-agnostic result objects for open/close and send requests, allowing to write code that is completely independent of the protocol used
• Moved message & error events from the Receiver to the Client object, removing the need to deal with the lifecycle of 2 separate objects when sending and receiving messages
• Added Client.fromSharedAccessSignature() factory method to enable users to manually take care of the SAS token lifecycle

C# Device and Service Clients

• Implemented support for MQTT protocol

Java Device and Service Clients

• Breaking change - when sending commands to devices, the Java service SDK now takes in a fully qualified Message object, rather than a string

General

• Full support for the MQTT protocol - all the clients are now connecting directly to the IoT Hub rather than going through the Protocol Gateway
• All the clients are now sending identification strings when performing server operations across all protocols
• Bug fixes, samples and documentation updates

Azure IoT SDKs

Node Device and Service Clients

• Add SDK version string to AMQP and HTTP transports
• Fix username field in MQTT connect method
• Factor device SDK transports into their own packages

C# Device and Service Clients

• Update C# device client package dependency to Asp.Net 5.2.3
• Bugfixes in .NET MF Client
• Added Getting Started document for C# on Toradex Linux

Java Device and Service Clients

• Service SDK - added bulk import and export operations support.
• Change to exclude signature files from shaded sample jars.
• Improvements to allow sending of additional messages (up to the amount of available link credit on the particular link) without waiting for acknowledgements of previously sent messages.
• Improves the amount of time taken to close the AMQPS transport.

C Device and Service Clients

• Add SDK version string to HTTP transport
• Update cmake version to 2.8.11
• Fix docs and builds for TI CC3200 and Arduino Yun
• Updated certification guidelines for C SDK on Linux