EMQ X 4.2-rc.2 is released now, it mainly includes the following changes:

emqx

Enhancements:

• Adjust RPC port discovery strategy

  Github PR: emqx#3696

emqx-rel

Bug fixes:

• Fix the issue that the command line interface cannot be used when running multiple emqx instances on one machine

  Github PR: emqx-rel#583

emqx-management

Enhancements:

• Provide start and stop commands of Log Handler

  Github PR: emqx-management#259

emqx-telemetry

Bug fixes:

• Fix the issue that the telemetry function cannot be used in the cluster

  Github PR: emqx-telemetry#3

emqx-auth-mnesia

Enhancements:

• Incompatible changes: API endpoints are changed to api/v4/mqtt_user and api/v4/mqtt_acl

  Github PR: emqx-auth-mnesia#31