We upgraded to PRTG 21.1.65 from the most recent stable release before that, and we noticed a big change in the statistics values reported by the MQTT Statistics sensors. Both message counts and payload size went down by a factor of 10x to 20x. After reviewing, the new numbers appear to be correct, and the old numbers were incorrect. I saw an improvement listed in the change log for the MQTT Statistics sensor, but not a bug fix. Was there a fix made to this sensor which corrects values reported, or something else that would account for the value changes without any changes in settings? Note, we are not using a wildcard like # or + in our topic name, since it wasn't supported prior to this version.
MQTT Statistics reporting different values in PRTG 21.1.65