v3.0.2

• [Core] Fixed issues in MQTTv5 message encoding and decoding.

v3.0.1

• [Core] Fixed missing properties from PUBLISH packet in MqttApplicationMessage (thanks to @pcbing).
• [Core] Fixed wrong encoding of PUBREL and PUBCOMP packets for MQTTv5 (thanks to @perphilipp).
• [Client] Added the authentication result to the disconnected handler (only set when connecting failed).
• [Client] Added new overloads for MqttClientOptionsBuilder.
• [Server] Fixed a bug which returns wrong flag for existing session in CONNACK packet (thanks to @avengerstark).
• [nuget] .NET Framework builds are now using 4.5.2 or 4.6.1 builds instead of netstandard 2.0.

v3.0.0

• [Core] Added support for MQTTv5 packages.

• [Core] Performance improvements.

• [Core] Removed obsolete methods.

• [Core] Fixed a memory leak when processing lots of messages (thanks to @tschanko)

• [Core] Added more overloads for MQTT factory.

• [Core] The client password is now hidden from the logs (replaced with **** if set).

• [Core] Fixed a memory leak when using SSL connections (thanks to @biovoid).

• [Client] Added validation of topics before publishing.

• [Client] Added new MQTTv5 features to options builder.

• [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)

• [Client] The client will now avoid sending an ACK if an exception has been thrown in message handler (thanks to @ramonsmits).

• [Client] Fixed issues in QoS 2 handling which leads to message loss.

• [Client] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Client] Added more configuration values to TCP endpoint options.

• [Client] Added used PacketIdentifier to publish result.

• [ManagedClient] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [ManagedClient] The log ID is now propagated to the internal client (thanks to @vbBerni).

• [ManagedClient] Added validation of topics before publishing.

• [ManagedClient] The internal MQTT client is now closed properly (thanks to @vbBerni).

• [Server] Added support for MQTTv5 clients. The server will still return success for all cases at the moment even if more granular codes are available.

• [Server] Fixed issues in QoS 2 handling which leads to message loss.

• [Server] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Server] The used logger instance is now propagated to the WebSocket server adapter.

• [Server] Added the flag "IsSecureConnection" which is set to true when the connection is encrypted.

• [Server] Fixed wrong will message behavior when stopping server (thanks to @JohBa)

• [Server] Added validation of topics before publishing.

• [Server] Added more configuration values to TCP endpoint options.

• [MQTTnet Server] Added as first Alpha version of standalone cross platform MQTT server.

• [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.

v3.0.0-rc2

• [Core] Added support for MQTTv5 packages.

• [Core] Performance improvements.

• [Core] Removed obsolete methods.

• [Core] Fixed a memory leak when processing lots of messages (thanks to @tschanko)

• [Core] Added more overloads for MQTT factory.

• [Core] The client password is now hidden from the logs (replaced with **** if set).

• [Core] Fixed a memory leak when using SSL connections (thanks to @biovoid).

• [Client] Added validation of topics before publishing.

• [Client] Added new MQTTv5 features to options builder.

• [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)

• [Client] The client will now avoid sending an ACK if an exception has been thrown in message handler (thanks to @ramonsmits).

• [Client] Fixed issues in QoS 2 handling which leads to message loss.

• [Client] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Client] Added more configuration values to TCP endpoint options.

• [Client] Added used PacketIdentifier to publish result.

• [ManagedClient] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [ManagedClient] The log ID is now propagated to the internal client (thanks to @vbBerni).

• [ManagedClient] Added validation of topics before publishing.

• [ManagedClient] The internal MQTT client is now closed properly (thanks to @vbBerni).

• [Server] Added support for MQTTv5 clients. The server will still return success for all cases at the moment even if more granular codes are available.

• [Server] Fixed issues in QoS 2 handling which leads to message loss.

• [Server] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Server] The used logger instance is now propagated to the WebSocket server adapter.

• [Server] Added the flag "IsSecureConnection" which is set to true when the connection is encrypted.

• [Server] Fixed wrong will message behavior when stopping server (thanks to @JohBa)

• [Server] Added validation of topics before publishing.

• [Server] Added more configuration values to TCP endpoint options.

• [MQTTnet Server] Added as first Alpha version of standalone cross platform MQTT server.

• [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.

v3.0.0-beta1

• [Core] Added support for MQTTv5 packages.

• [Core] Performance improvements.

• [Core] Removed obsolete methods.

• [Core] Fixed a memory leak when processing lots of messages (thanks to @tschanko)

• [Core] Added more overloads for MQTT factory.

• [Core] The client password is now hidden from the logs (replaced with **** if set).

• [Core] Fixed a memory leak when using SSL connections (thanks to @biovoid).

• [Client] Added validation of topics before publishing.

• [Client] Added new MQTTv5 features to options builder.

• [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)

• [Client] The client will now avoid sending an ACK if an exception has been thrown in message handler (thanks to @ramonsmits).

• [Client] Fixed issues in QoS 2 handling which leads to message loss.

• [Client] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Client] Added more configuration values to TCP endpoint options.

• [ManagedClient] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [ManagedClient] The log ID is now propagated to the internal client (thanks to @vbBerni).

• [ManagedClient] Added validation of topics before publishing.

• [ManagedClient] The internal MQTT client is now closed properly (thanks to @vbBerni).

• [Server] Added support for MQTTv5 clients. The server will still return success for all cases at the moment even if more granular codes are available.

• [Server] Fixed issues in QoS 2 handling which leads to message loss.

• [Server] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Server] The used logger instance is now propagated to the WebSocket server adapter.

• [Server] Added the flag "IsSecureConnection" which is set to true when the connection is encrypted.

• [Server] Fixed wrong will message behavior when stopping server (thanks to @JohBa)

• [Server] Added validation of topics before publishing.

• [Server] Added more configuration values to TCP endpoint options.

• [MQTTnet Server] Added as first Alpha version of standalone cross platform MQTT server.

• [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.

v3.0.0-alpha3

• [Core] Added support for MQTTv5 packages.

• [Core] Performance improvements (removed several exceptions).

• [Core] Removed obsolete methods.

• [Core] Fixed a memory leak when processing lots of messages (thanks to @tschanko)

• [Core] Added more overloads for MQTT factory.

• [Core] The client password is now hidden from the logs (replaced with **** if set).

• [Client] Added validation of topics before publishing.

• [Client] Added new MQTTv5 features to options builder.

• [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)

• [Client] The client will now avoid sending an ACK if an exception has been thrown in message handler (thanks to @ramonsmits).

• [Client] Fixed issues in QoS 2 handling which leads to message loss.

• [Client] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [ManagedClient] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [ManagedClient] The log ID is now propagated to the internal client (thanks to @vbBerni).

• [ManagedClient] Added validation of topics before publishing.

• [ManagedClient] The internal MQTT client is now closed properly (thanks to @vbBerni).

• [Server] Added support for MQTTv5 clients. The server will still return success for all cases at the moment even if more granular codes are available.

• [Server] Fixed issues in QoS 2 handling which leads to message loss.

• [Server] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).

• [Server] The used logger instance is now propagated to the WebSocket server adapter.

• [Server] Added the flag "IsSecureConnection" which is set to true when the connection is encrypted.

• [Server] Fixed wrong will message behavior when stopping server (thanks to @JohBa)

• [Server] Added validation of topics before publishing.

• [MQTTnet Server] Added as first Alpha version of standalone cross platform MQTT server.

• [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.

v3.0.0-alpha1

• [Core] Added support for MQTTv5 packages.
• [Client] Added new MQTTv5 features to options builder.
• [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)
• [Server] Added support for MQTTv5 clients. The server will still return success for all cases at the moment even if more granular codes are available.
• [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.

v2.8.5

• [Core] Updated nuget packages due to security issues.
• [Client] Fixed wrong behavior of publish method when client is disconnecting (thanks to @PaulFake).
• [Client] Added readonly property for accessing options.
• [ManagedClient] Added max pending messages count option.
• [ManagedClient] Add pending messages overflow strategy option.
• [ManagedClient] Fixed an issue which deletes the wrong message from the internal queue (thanks to @PaulFake).
• [ManagedClient] Added readonly property for accessing options.
• [Server] Added new method which exposes all retained messages.
• [Server] Removed (wrong) setter from the server options interface.
• [Server] Fixed cpu spike in case a client disconnects (issue 421).
• [Server] Fixed concurrent sends with Aspnetcore.Connections.Abstractions based transport.
• [Server] Fixed wrong retain flag when distributing application messages (thanks to @trev0115).
• [Server] Fixed issue which closes a connection when reconnecting with the same client ID (thanks to @fogzot).

v2.8.4

• [Client] Fixed a deadlock when an exception is fired while connecting (thanks to @malibVB).

v2.8.3

• [Core] Added all factory methods to the factory interface.
• [Core] Fixed an issue with cancellation token handling (thanks to @acrabb).
• [Server] Added a new overload for configuring the ASP.net integration (thanks to @JanEggers).
• [Server] Added a method for clearing all retained messages.