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[JurgenDJ]

A big thanks for making MQTT Explorer. it is my go-to application for my mqtt monitoring. I have this feature request:

When troubleshooting my iot sensors, I regularly need to monitor a certain topic and see how long ago the last message was received.

Currently, this means using a clock app with seconds indicator, and doing the math.
It would be very helpful if, on the received message, the elapsed time (in seconds) would be shown next to receive time.

I guess there can be all sorts of little variations:

• showing it on all historic messages vs only on last received one
• more elegant formatting of mins and seconds
• including it in the popups when hovering over chart panels
• ...

[jerzydziewierz]

+1