What is MQTT 5 and How Does It Work? | MQTT 5 Essentials Part 1

Опубликовано: 24 Май 2026
на канале: HiveMQ
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Welcome to the start of our of MQTT 5 Essentials series focussing on the protocols latest version MQTT 5. We will be talking about MQTT history and the principal goals of MQTT 5. Finally you will also learn what happened to MQTT 4!

** Overview **

MQTT was invented in 1999, its current version MQTT 5 was released 2019. Some of the improvements that were identified by the OASIS Technical Committee with help of the MQTT community:

• Improved error reporting
• Better scalability and performance
• Improved support for smaller clients
• Formalized common patterns
• More extensibility for the protocol

HiveMQ also was involved significantly in this specification process.

** Chapters / Table of Contents **
00:00 Welcome to the MQTT 5 Essentials series
00:20 The history of MQTT
01:26 Principal goals of MQTT
01:50 What happened to MQTT 4?
02:02 Announcing part 2 - Foundational changes in the protocol

👉 Be sure to watch our first video series - MQTT Essentials - about the basic concepts of MQTT:    • What is MQTT | MQTT Essentials Part 1  

👉 We have a detailed blog series explaining all the new features available in MQTT 5: https://bit.ly/3zVD3Tz

👉 We also explain the core of MQTT, its features, and other essential information in this HiveMQ blog series: https://bit.ly/2Y7JHJn

👉 To learn the basics of MQTT and MQTT 5 together, get your copy of free E-Book here: https://bit.ly/39WFUky

👉 To know about HiveMQ: https://bit.ly/3A24CKW

👉 Subscribe to our HiveMQ channel to get video updates. Hit the subscribe button below or subscribe to our newsletter (https://bit.ly/39QHKDI) to keep up to date on the latest MQTT news.

👉 We look forward to seeing you in our next video, MQTT 5 Essentials part 2 - Foundational changes in the protocol:    • Foundational MQTT protocol changes | MQTT ...  

#MQTT5 #MQTT #MQTT5Essentials