Heiman zigbee smoke detector works great with community. It can be found on Aliexpress
I suppose this is a question, although thereās no question mark at the end of the sentence so itās hard to know for sure.
But as youāve surmised, the Hubitat team is based in North America. They donāt āsupportā devices, but they do ensure devices are compatible by testing them in-house and then either adding device fingerprints to generic device drivers, or when necessary they create new, device-specific drivers.
Being in the US. itās simply more difficult for them to extensively test devices from Europe, and they donāt just incorporate community developer work into the hub platform as-is. Theyāve actually added community dev work into the firmware several times (e.g. TP-Linkās Kasa devices, WebCoRE), but it appears to require close collaboration, as it should, so that will presumably never be a process that applies to most community developed code.
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@pascal.nohl there are man Zigbee TRV's available on aliexpress that likely have drivers made by @kkossev
I think most of the lack of device support is they can't blindly write drivers, test compatibility with the hub, and ensure reliability of how the device acts with the drivers they wrote. The staff has indicated multiple times they test every single device physically and not just write a driver and hope it works without ever testing it in real life.
If Hubitat can get their hands on the device, they write drivers. Some European manufacturers (Friendt as one example) have sent Hubitat samples and that is why their catalog is incorporated into Hubitat. You could ask your device manufacturer to sent Hubitat samples, but many won't do so for some reason.
There have been multiple instances of users sending Hubitat a device to test and write drivers for that device. If you have a particular device that you want native drivers for, you could contact staff and ask if they want a sample. You would then send them a device for testing. Depending upon cost or shipping charges, this may or may not get returned to you, but you would likely get your device supported.
Staff have also said they purchase some devices that are not native to North America for testing. But you have to realize that the cost of them doing so for every single device made would be a burden for the company or an individual. Besides the fact that in the USA we aren't aware of what products are sold, or what products are popular in certain regions.
So maybe come up with a plan to get a sample of your TRV to Hubitat. Have the manufacturer send one, or send Hubitat one on your own, or maybe even split the cost of purchasing one between a few of you on this forum that are in the same region.
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Hubitat's built in driver for the Eurotronic Spirit TRV provides basic support for Eurotronic's shell-enclosed (and probably more water resistant) z-wave+ Comet TRV 700226.
@kkossev has been working on TRV driver(s) recently and is a good person to ask about this. Examples:
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Hubitat has also a built-in drirver for Fibaro Heat Controller (TRV):
There is also a very good custom driver for POPP / Danfoss Ally TRV :
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The developer, me, had 3 strokes 2 years ago.... no need to bash me and this has been stated over a year ago in the main Shelly thread. So ya I'm not coding anymore.
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Hope you are doing better these days!
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Not always good to be an over-achiever. 
Not fun, glad you're still around to hang out.
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Doing better but I'll never be 100% again.
I have tried to code again but my brain scrambles my words after a while..... so just not good for me but I really do miss it.
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Don't feel bad... I haven't had a stroke and this happens constantly to me! 
Glad you're doing good... Be easy on yourself!
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My intention was never to bash you. It is simply a fact that the driver is only half finished and will never get finished. So it's not a valuable option for me. Take care about you, that's more important than finished drivers.
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B.T.W., I integrated a Shelly TRV in home assistant, and it seems to work, but sometimes the valve does not close completely, and it continues to heat like hell. Bug in HA, the driver or the Shelly, who knows ?
Possibly just the valve itself. Take the Shelly TRV off and give the pin/actuator a good working. I had one recently do the same. Pushing the pin in manually was just not fully stopping the flow. With the TRV removed (a Honeywell HR92) I just lubricated the pin with plenty of WD40, then using a pipe wrench (with the jaws set wide between the bottom of the valve body and top of the pin) I continually pressed and released the actuator. It hasn't failed to fully close since.
I don't think so. The valve works perfectly with the Spirit TRV and the mecanical TRV.
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Fair enough. I would say that the actuator on the Shelly might not push the pin fully in on your valve but if it only happens sometimes that would be unusual.
3 years.
Flawless.
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Yes, I tried to place a small piece of plastic between the pin and the head of the Shelly, but then it shows an error. I also have set the extra force on and calibrated multiple times. It seems to work perfectly for hours, but then at some point the valve stays open. The weird thing is that, even setting heating to off, does not close it. It happens from time to time (once a month) that a spirit gets stuck (mainly the newer ones) but after taking out a battery and restarting it, it works again. This isn't an option for the Shelly, and the Shelly gets stuck after hours.
Have you talked to the shelly people about this???
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