# \#mqtt

**URL:** https://forums.swift.org/tag/mqtt/586.md

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## [MQTT NIO - First alpha of v3 is out!](https://forums.swift.org/t/mqtt-nio-first-alpha-of-v3-is-out/87036)

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**Author:** [@fpseverino](https://forums.swift.org/u/fpseverino)\
**Replies:** 4\
**Last updated:** [August 3, 2026, 9:07am UTC](https://forums.swift.org/t/mqtt-nio-first-alpha-of-v3-is-out/87036 "2026-08-03T09:07:52Z")

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@adam-fowler and I are happy to announce that the first alpha version of MQTT NIO v3 is out! It's a complete rewrite of the library, based around structured concurrency and following best practices of modern state-of-th…

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## [Swift + IoT + HVAC](https://forums.swift.org/t/swift-iot-hvac/52867)

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**Author:** [@m-housh](https://forums.swift.org/u/m-housh)\
**Replies:** 0\
**Last updated:** [October 17, 2021, 3:45am UTC](https://forums.swift.org/t/swift-iot-hvac/52867 "2021-10-17T03:45:09Z")

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I've been exploring IoT the last week or so and just wrote an article on building a custom sensor / relay prototype for my new HVAC system I'm experimenting with. One of my goals is to also utilize swift as much as poss…

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## [Usage of Singleton with threads or a normal class for concurrent tasks](https://forums.swift.org/t/usage-of-singleton-with-threads-or-a-normal-class-for-concurrent-tasks/61980)

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**Author:** [@Jz1005](https://forums.swift.org/u/Jz1005)\
**Replies:** 0\
**Last updated:** [December 11, 2022, 1:38pm UTC](https://forums.swift.org/t/usage-of-singleton-with-threads-or-a-normal-class-for-concurrent-tasks/61980 "2022-12-11T13:38:07Z")

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I have a problem for which i'm trying to find a solution for I have a singleton class I use to handle web-socket connections (MQTT). The app gets data from a device during a process via bluetooth and then sends this via …