EMQ X Core

Enhancements:

• Change the default logger level to warning:

  Github PR: emqx/emqx#2657

• Add get history alarm API:

  Github PRs: [emqx/emqx#2660] (https://github.com/emqx/emqx/pull/2660) [emqx/emqx-management#98] (https://github.com/emqx/emqx-management/pull/98>)

Bug fixes:

• Clean the stale sessions:

  Github PR: [emqx/emqx#2655] (https://github.com/emqx/emqx/pull/2655)

• Fix the massages order when batch dispatching:

  Github PR: [emqx/emqx#2650] (https://github.com/emqx/emqx/pull/2650)

  Thank the contributions from tradingtrace!

emqx-rule-engine (plugin)

Enhancements:

• Add an action "do nothing" for debug purpose.

  Github PR: emqx/emqx-rule-engine#70

• Change data type of the retain flag to integer

  Github RP: emqx/emqx-rule-engine#72

Bug fixes:

• Escape SQL reserved keyword timestamp:

  Github PR: emqx/emqx-rule-engine#71

emq-bridge-mqtt (plugin)

• Migrate the MQTT bridge from emqx project to a separated plugin:

  Github PR: emqx/emqx-bridge-mqtt#2

emqx-rel (build project)

Bug fixes:

• Fixed a windows service register bug:

  Github PR: emqx/emqx-rel#381