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curl to Add MQTTS Support in 2026, Bringing Total Protocols to 29

By

firesteelrain

4mo ago· 2 min readenNews

Summary

The article announces that curl will add MQTTS (MQTT over TLS) support in version 8.19.0, scheduled for release in March 2026. This follows the addition of MQTT support in 2020 and brings the total number of supported transfer protocols in curl to 29, coinciding with the project's 29th anniversary. The article briefly explains MQTT as a lightweight publish-subscribe protocol for machine-to-machine communication.

Key quotes

· 3 pulled
When curl 8.19.0 ships in the beginning of March 2026, we have also added MQTTS; meaning MQTT done securely over TLS.
This bumps the number of supported transfer protocols to 29 not too long after the project turned 29 years old.
Wikipedia describes it as a lightweight, publish–subscribe, machine-to-machine network protocol for message queue/message queuing service.
Snippet from the RSS feed
Back in 2020 we added MQTT support to curl. When curl 8.19.0 ships in the beginning of March 2026, we have also added MQTTS; meaning MQTT done securely over TLS. This bumps the number of supported transfer protocols to 29 not too long after the project tu

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