EMQ X 4.0-rc.1 is now available. This release mainly optimizes the internal modules and the process of handling MQTT control packets.

emqx

Enhancements:

• Optimize the process of handling MQTT control packets

  Github PR: emqx/emqx#3079, emqx/emqx#3082, emqx/emqx#3083

emqx-auth-username (plugin)

Enhancements:

• Resupport to configure the default username through the configuration file

  Github PR: emqx/emqx-auth-username#126

emqx-auth-clientid (plugin)

Enhancements:

• Resupport to configure the default clientid through the configuration file

  Github PR: emqx/emqx-auth-clientid#122

emqx-management (plugin)

Enhancements:

• The default listening port for the HTTP API server is changed from 8080 to 8081

  Github PR: emqx/emqx-management#144