You don't need to hit the three dots to change the name. First you need
to click on the device in your Home app. Then go to Settings, Device
Information, then click on Name. Hopefully yours doesn't bug out.
Same issue here. I have a hub that says Office Display in Device
Information, but when I go to Edit Name, the device name is Den Display.
When looking at the Home App, the device is also named Den Display. No
matter how many times I edit the name, it...