I updated to 1.10 over wifi on the device itself and it's been stuck on the 'PlayDate' boot logo since.
Sometimes it flashes the 'charge me' image of a usb and battery, but I've had this thing plugged in for hours to make sure it's charged. I have tried the reset button. Sometimes when it is plugged in it gets confused saying it's sharing media, with a green power light, the same as when I would plug it in to sideload a game.
<Update 7:05PM PST>
I recently got it to say 'sharing BOOT segment as USB drive'. When I plug it into my PC, it has the following files in it:
<Update 7:38 PM PST>
and.... now after resetting while it was plugged into my PC it gives me 'sharing DATA segment as USB drive'.
Reading this reply I don't see a /Data/com.panic.Launcher folder. Just five game folders: