v2.1.1
Features
- add
--mqtt-retainto set the MQTT retain flag on data publishes (diagnostics topics are never retained)
Documentation
- add release documentation checklist for agents and maintainers in CONTRIBUTING.md
- align narrative docs with MQTT reference-map write format and
--mqtt-keysusage
Internal
- centralize MQTT data publish policy (QoS and retain) in
MqttHandler.publish_data_message
Full changelog: v2.1.0...v2.1.1