OH3: MQTT thing: state and command topic: show state from (duh) state topic

[rossko57]

See -

Autoupdate - a primer

I’ve found myself having to investigate and/or explain some of the features of autoupdate over time, and thought an in-depth view would be helpful. These notes apply to openHAB version 2.5 Overview Autoupdate is primarily a “speed up” feature for openHAB Items. Mostly we can ignore it, but sometimes you may get an unwanted or unexpected effect, or you may wish to exercise more control. To fully understand autoupdate, we must understand the difference between command and state of Items. If w…

to uncouple the Item state from commands issued to it.

Some of the UI will still “do something” to indicate that you poked a button.