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I checked my WiFi I see that there has been a lot of data up and downloaded to my car over the past few. Interesting that there’s been apparent change in behavior with no “update”
I suspect 2018.14 and 2018.16 might be A/B tests as they neither seem to be widely releasing. I have the new maps but neither of these updates, seeing the usual 30-50 mb every other day or so.