This is a trivial thing (i.e. I wouldn't expect it necessarily to be fixed), but just an observation: the transition from Standard to Daylight time means that idle time was not calculated properly. That is, an idle period from midnight to 6:35am was displayed as 6hr35min, when it was, in fact, 5hr35min (we lost an hour overnight). I don't know whether there are any rate calculations that might have been similarly affected, but it's worth noting.
On the other hand, I was impressed that the API and TeslaFi app picked up the time change instantaneously:
Customer support service by UserEcho