+1 here
Been going nuts trying to ‘fix’ this when I never had a single issue prior to the recent updates with my ConBee II. Everything was snappy and reliable. Now lights take 3-5 seconds to turn on. Some randomly turn themselves on, some don’t always turn off. I’ve upgraded firmware, replaced off-brand devices, moved the USB stick to different locations to minimize interference. But now it is just as unreliable as Hubitat and SmartThings were back in the day.