B@$T!0N

I also tried this and now my MDK drive is not working at all.

You could just keep them seperate. Have publish_v5 etc then it would be very similar to https://mosquitto.org/api/files/mosquitto-h.html It would make them very easy to distiniguish between and simple examples could...

You should be able to add passkey to tag just like eddystone tags can be configured with. That would prevent users from changing settings and flashing the device if passkey...