I’ve stumbled upon open source RTSP firmware for the wyze cam V2 (and other cams):
It works and has some other features like MQTT. I’m going to observe the stability/performance for a week or two. So far I like the features they have added. Things as simple as wifi signal strength that helped me optimize the wifi link (channel, positioning) to reduce disconnects. No problems with Blue Iris.
I dumped more details, flashing tips, and troubleshooting here: