Thanks, so I upgraded my MR network to 28.6 and MV to 4.16, but don't see any messages coming through. I don't think it's the MQTT broker's issue as I duplicated the configuration from MV Sense, which is working fine with the exact same setup. Is there something else that needs to be done? I also tried device MAC in both lower-case and upper-case, as well as leading slash "/" on the MQTT topic (like MV Sense) and not (as shown in the "MQTT Topics" section), but none of the four combinations seems to work. Thanks again for your help, @David-H!
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