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EMQX 6.3 LTS vs 5.8 LTS: Breaking Changes and Migration

EMQX 6.3 LTS vs 5.8 LTS: Breaking Changes and Migration

Posted by By MPRAUTO MPRAUTO September 24, 2026Posted inTechNo Comments
EMQX 6.3 is the new LTS. Strict MQTT parsing, Feature Gates, locked Prometheus and ACL defaults: every breaking change vs 5.8 LTS and a safe upgrade plan.
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