I've had a Panasonic GX7 for a month now, with latest firmware. I use the body with vintage and new manual-focus lenses. On occassion when I turn it on it seems to be in a "sleepy" mode -- unresponsive, almost frozen -- and then after about 10-15 seconds it prompts me to keep/change focal length info. (as it should right away). Otherwise everything works well. Does anyone else have this issue? Thanks.