Sonoff miniL2 and micro dont work Under firmware 2.3.9.150 and above on C7 hub.
Rolled back to firmware 2.3.9.147 and they work again.
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When you say
What are you seeing when you run 2.3.9.150 that leads you to say they don't work? Are they losing communication altogether? Or is there some reduction in their function?
Oh, someone logging actual results.... 
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Hi Krassimir
The same was here on 153 pairing was successful but after shortly it became unresponsive. Did it many times. Now back on 147 working stable.
There may be (or may not) some changes in the HE Zigbee stack made recently, related to the C-8 pairing - I don't know. Let's wait for Hubitat engineers to shed light on this.
It is also strange that my ZBMINIL2 (also the ZBMICRO) is staying connected to the old C-7 hub; I moved them yesterday. I have also cleared the rejoinCtr statistics this morning, lets see how it goes for a longer period.
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Hi
Are hubitat programmers going to look into this please?
The work week has not started in the US yet... Also, keep in mind that it is not very likely a Sonoff ZBMINIL2 will be available for testing in Hubitat labs - these devices do not have the UL safety certification, which is very important in the US.
I checked the stats on my C-7 hub after moving the two devices yesterday - and today I see no problems with drop-offs / going offline :
There are a lot of 'Active Endpoint Request' ZDO messages, but this is the weird way that Sonoff checks for the online presence of the hub...
The 'rejoinCtr' counting the number of the ZDO rejoin commands (sent by the device when it has dropped the connection and is requesting to join the network again) are zero (not registered in the state variable) - this means no problems on my C-7 hub.
It seems like my C-7 Zigbee network has settled from yesterday, and no more reconnects. All is OK with my devices now.
Can you reset the statistics for your devices and check a few hours later again?
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Which firmware are you on Krassimir?
154 ( the firmware and the hub model is shown in the stats)
How far away are your Sonoff devices from the hub?
This is my CHildAndRouterInfo :
I am running the ZBMICRO on high power, probably that's why the ZBMINIL2 picked it as a router (repeater).
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they are 2 meters away from the hub. im staying with 147 for a while now. there are no important updates in 154.
Thank you
Krassimir
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