Probably would not classify this as a bug, but feel it to certainly be a usability issue
Initiating a session from the dashboard doesn't prompt for any settings for the device. I made the assumption that it would use the previous settings, but that was a wrong assumption, as it turned out that a new session initiated from the web reset all the sensor settings on the device.
So instead of it being where I had left it from the previous batch, on static heating below 69 degrees, it was set for static heating at 20 degrees. Imagine my surprise when I checked my batch this morning and saw a temperature of 64.
So I would suggest displaying a prompt with all the session settings before initiating the session from the web. And perhaps a more reasonable default temp other than 20, like perhaps 50 or 60, perhaps I don't have enough vision or experience here, but i can't think of any application that would require the temp to be so low.