I see this is a known issue, but it looks like the last post was in September so I’m just chipping in, for whatever that’s worth. I’m experiencing the same issue as the others mentioned. Steps take: rebooting phone (android), disconnecting Misty and reconnecting. At first I thought it meant that her battery was too low to read levels so I plugged her in for about thirty minutes, during which time she received the 12/18 update.
App version 1.2.50
Battery display on the app is showing this: