FYI.
I’ve got two Orvibo Zigbee Relays (RL804QZB) in my setup. To date they have been rock solid. Following recent FW updates they both dropped of the network requiring a “30 min reboot”.
Once done all appears to have returned to normal.
I’m seeing some strange results with one of these relays that I had setup as a momentary switch (to control a garage door). The on/off sent from ST now takes much longer than it used to (regardless of the code that I use) which makes it useless for my use case (I need a relatively short momentary press). This may or may not relate to the most recent f/w update as I use the device very infrequently.