If you have a ticket I would respond to it again so the @support_team notices it. If you have not done that I would go to support.hubitat.com and click on warranty support and start a ticket.
thank you, the first piece of really useful information. that's much appreciated. 
Not sure why you didn't do that before.
actually I think I have. what you are suggesting exists here: SNZB-06P Zigbee pairing failures - #18 by teaks-convex.0q
I'm not seeing anywhere else to go from your 'link'
doesn't work. the reseller link (spelt 'resseler') is 'duff'. did you see a flash from @bobbyD then? and there he wasā¦ gone.
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Thanks for your feedback. If you could point me to a thread where this issue was raised, I'd be more than happy to further assist or to escalate to our engineers for further investigation if necessary.
Looking into it now 
it's in the conversation, but here it is again: SNZB-06P Zigbee pairing failures - #18 by teaks-convex.0q
this be a 'regional' thing, methinksā¦
I really don't like grumbling bobby; but I dislike being ignored even more. so apologies for my abruptness. on the whole I think the product is great, your rules engine sucks (so I don't use it, instead I use node-red), but that's by the by. I'd like to see the HomeKit certification appear, that would be brilliant...
Well that was quite a threadjacking.
I wonder how the OPās new hub is working out for them.
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Thanks for all the info, information and opinions, it's been helpful. Received my C8 Pro yesterday and haven't had a chance to set it up. I'll probably go room by room and move everything over. I'm hopeful ActionTiles works without a hitch so the family doesn't notice anything, and I can just swap out ST buttons with HE buttons.
Correct me if I'm wrong, but those issues shouldn't be present on the C8 Pro right? The additional RAM and CPU are really what sold me from a future proofing standpoint.
No matter what they do for CPU and Ram it can not match the way the cloud can scale.
That said the upgrade does mean it should be better at resisting problems. The cpu as i understand it is between 20 and 50% faster depending on what the load is and the ram will just help in general.
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I have a c7, came from smartthings, love webcore, have a billion wifi devices, and my skill level is fairly basic (so the efficiency is probably cack).
Here's a zoomed-out version of my pistons:
I wouldn't worry, unless there was a need.
Don't forget to check that link I posted to you. It will help avoid some gotchas as your transitioning to hubitat.
After I had over 200 pistons in Webcore running everything, with pistons calling other pistons and sending them values, I started losing track of how everything went together. Once it gets complicated, trying to trace the logic and see what went wrong somewhere gets very difficult.
I first got rid of the Webcore global variables and started using data storage virtual devices. This was much better than Webcore Globals since the values can be updated and retrieved within a single piston run, unlike the global variables which only update when the piston is done running.
Then I tried writing some of my automations from Webcore directly into Groovy custom apps. There was quite a learning curve at first, but once I figured out how to do everything in Groovy that Webcore does (like get requests, schedules, subscriptions, time calculations, and type casting), it was just a matter of time to move everything over. You quickly realize just how much Webcore was doing for you in the background.
I now use only a few Webcore pistons to do "utility" stuff, like checking battery levels. Everything else now runs from custom apps and virtual drivers. Many of my virtual drivers have the automation logic in them, and I use a companion sync app to send events to them from other devices. In other cases, the apps do most of the logic and the drivers are mostly for data storage.
The only way to really debug them is with lots of debug statements and watching the logs. I use VS Code to write the code since the editors on Hubitat are horrible.
I left SmartThings for Hubitat just so I could keep Webcore, so it is a bit ironic that I basically eliminated Webcore after one year on Hubitat.
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I know where you're coming from with the variables. Not that my projects are in the same league, but I've started to use some butchered device code to do something similar.
My coding knowledge is close to zero. I'm sure there are better ways than mine. I'm just using the tools at hand. For that, webcore is invaluable.
