MQTTnet 3.1.0

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker) and supports v3.1.0, v3.1.1 and v5.0.0 of the MQTT protocol.

Showing the top 20 packages that depend on MQTTnet.

Packages Downloads
MQTTnet.Extensions.ManagedClient
This is an extension library which provides a managed MQTT client with additional features using MQTTnet.
3
MQTTnet.Extensions.ManagedClient
This is an extension library which provides a managed MQTT client with additional features using MQTTnet.
2
MQTTnet.Extensions.ManagedClient
This is an extension library which provides a managed MQTT client with additional features using MQTTnet.
1

* [Core] Added all builders to the MQTT factory. * [Core] Removed global logger and refactored logging (BREAKING CHANGE!). * [Client] Renamed _MqttClientConnectResult_ to _MqttClientConnectResult_ (BREAKING CHANGE!). * [ManagedClient] Extended ReconnectAsync (thanks to @nvsnkv, #1202). * [ManagedClient] Improved Amazon AWS support (thanks to @scottbrogden-iheartmedia, #1209). * [ManagedClient] Fixed bug that allowed invalid subscriptions (Thanks to @marcelwinh). * [Server] Added support for _RetainHandling_ (MQTTv5, BREAKING CHANGE!). * [Server] Added support for _NoLocal_ (MQTTv5, BREAKING CHANGE!). * [Server] Added support for _SubscriptionIdentifier_ (MQTTv5, BREAKING CHANGE!). * [Server] Server now reports supported features properly after successful connection (MQTTv5, BREAKING CHANGE!). * [Server] Fixed a memory/performance leak when using QoS Level 1. * [Server] Exposed connection timestamp in client status. * [Server] Refactored connection management code. * [Server] Exposed more details in _MqttServerClientConnectedEventArgs_. * [Server] Processing all pending messages before stopping (thanks to @AblEdge, #1234). * [Server] Added support for a custom exception handler in _MqttServerMultiThreadedApplicationMessageInterceptorDelegate_. * [Server] Removed logger from _MqttServerMultiThreadedApplicationMessageInterceptorDelegate_ (BREAKING CHANGE!). * [Server] Fixed a memory leak when deleting sessions. * [Server] Fixed timestamp check in server keep-alive monitor (thanks to @logicaloud, #1277). * [MQTTnet.Server] Moved server project to a dedicated GitHub repository. Git commit: 8020e66f

.NET Framework 4.5.2

  • No dependencies.

UAP 10.0

.NET Core 3.1

  • No dependencies.

.NET Standard 2.1

  • No dependencies.

.NET Standard 2.0

  • No dependencies.

.NET 5.0

  • No dependencies.

.NET Standard 1.3

.NET Framework 4.6.1

  • No dependencies.

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5.0.1.1416 1 2025/6/3
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5.0.0.1214-RC 1 2025/6/4
4.3.7.1207 1 2025/6/4
4.3.6.1152 1 2025/6/4
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4.1.1.318 1 2025/6/4
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3.1.2 1 2025/6/4
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