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EMQX
Streaming & Message Queues
EMQX is a highly scalable, reliable MQTT platform for connecting millions of IoT devices and processing real‑time messages.
Erlang
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Latest 6.2.2 · 23d ago
Security brief →
Features
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Full support for MQTT 5.0/3.1.1/3.1 plus MQTT over QUIC, LwM2M, CoAP, MQTT‑SN and more
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Scale to 100 million+ concurrent clients with sub‑millisecond latency and masterless high‑availability clustering
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SQL‑based rule engine for in‑flight data processing, transformation and filtering
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Native integration bridges to over 50 cloud services and databases (Kafka, RabbitMQ, PostgreSQL, MySQL, Redis, ClickHouse, InfluxDB, AWS Kinesis, GCP Pub/Sub, Azure Event Hub, etc.)
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Zero‑code Flow Designer for building real‑time data pipelines
Config change
6.2.2
Breaking risk
·
Auth
RBAC
Clustering, Multi‑tenancy, Access Control, Data Integration, Observability
Config change
6.1.3
Breaking risk
·
Auth
Breaking upgrade
License gating + namespace quotas + TLS configs + session
Review required
e5.8.11
Breaking risk
·
Auth
RBAC
RCE / SSRF
+3 more
Security hardening + connector & cluster bugfixes
Config change
6.0.3
Breaking risk
·
Auth
RBAC
RCE / SSRF
+1 more
Breaking changes — review before upgrading.
Config change
6.2.1
Breaking risk
·
Auth
Breaking upgrade
Routine maintenance and dependency updates.
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