Seems Tuya and SmartLife do not handle situation at all with number of WiFi Tuya devices more than 60: https://www.facebook.com/groups/330754074172355/posts/1627118391202577/ Why 60? Probably it connected with timeout of sending availability to the server every minute. If devices more than 60, queue...

I had similar case, after several experiments with rebooting/reconfiguring router/Tuya devices and analyzing behavior I conclude that Tuya devices somehow conflicted within other non-Tuya devices in one WiFi network, when they became critical number. In my case its about 60 online connections. After...