Hi Rick, I feel this problem for us have been ignored, and I'm glad that it got resurrected. I still have my RP with 1.6.0 (released in 2020) with this problem. I know you're asking questions to see if there is more info available, but I'm curious, a...
Unfortunately, I've been hit with this issue on my RP too. All of the following hasn't helped: Disabling wifi, running the latest firmware, doing a factory reset, getting new genuine canon battery. I will get a quote from Canon for a repair.