Generally Available: Azure Event Grid releases for April 2026

Azure Event Grid namespaces are expanding MQTT capabilities to help organizations build more connected, scalable, and MQTT V5 standards-based real-time solutions. These updates make it easier to deliver responsive device experiences, simplify backend integration, and accelerate modern IoT application development. 

• MQTT Retain support: Deliver a better subscriber experience by ensuring new subscribers can immediately receive the latest known state for a topic, without waiting for the next message. 
• Shared Subscriptions: Scale message processing more efficiently by distributing traffic across multiple consumers in the same subscription group, helping support higher throughput and more resilient architectures. 
• HTTP Publish of MQTT messages: Bring HTTP-based applications into MQTT workflows with a simple publishing path that helps connect backend services, business applications, and device ecosystems more seamlessly.  

Learn more.