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The State of Matter – Home Assistant

Throughout our State of Matter stay stream two weeks in the past, we defined what Matter is, the way it pertains to Thread, and how one can evaluate it with present protocols you might already know, like Zigbee or Z-Wave.

On this weblog submit, we’ve extracted the highlights of the stream for you. We additionally hyperlink to our up to date Matter and Thread documentation the place related.

You may watch your entire stay stream right here:

We’ll additionally spotlight every phase of the stay stream on this weblog below every corresponding heading, so you can begin watching the precise components that curiosity you!

Why we believe in Matter

We believe in Matter: it’s open source, and most importantly, it’s fully local by default. Matter will allow us to control devices ranging from lights, to robot vacuums, to TVs, and to many other IP-connected devices, all through a standardized protocol. It is a huge step forward towards having more sustainable and worry-free smart home products. For this reason, Nabu Casa uses the revenue we get from the subscribers to Home Assistant Cloud (thank you all!) to employ developers who are dedicated to implementing Matter. And we have even joined the Connectivity Standards Alliance (CSA) – the organization behind the Matter standard – as a participant to have a front-row seat and to defend the Open Home values in the course of the improvement of the usual.

Matter launched just one yr in the past, in comparison with twenty years for the standard like Zigbee, so it’s vital to account for that in your expectations. Should you’ve already invested closely in an present native customary, like Zigbee or Z-Wave, Matter might be not your best option at this level. We predict there isn’t any cause to throw these present sensible residence units out, particularly once they nonetheless work wonderful – in any case, sustainability is one in every of our Open Home values. However if you’re new to the sensible residence scene and on the lookout for units with native, cloud-free requirements that may nonetheless work even a few years from now, keep watch over Matter. The usual is quickly evolving, with main updates twice a yr the place new gadget varieties and enhancements to present ones are launched.

After this primary yr, the present choice of Matter units remains to be a bit restricted, however numerous firms have been utilizing this time to develop them, and we anticipate extra to be launched quickly. Increasingly more firms are joining the CSA and taking on the usual each month. We predict Matter is right here to remain and goes to be extensively adopted.

Demystifying Matter

To really understand what we’re talking about when it comes to Matter, we recommend you read our updated Matter documentation or watch this chapter from our stay stream.

On this phase, our product supervisor JLo explains Matter in an easy-to-understand, visible method, utilizing the diagram you see above. You’ll not must surprise about Thread, Border routers, Bridges, or different Matter terminology after you’ve watched this video.

The current state of Matter in Home Assistant

For the past year, we have been working on getting the foundation ready to support Matter devices in Home Assistant. Our implementation is based on the official Matter SDK, and we plan for it to become officially certified by the CSA to show that it will work problem-free with all products that carry the Matter logo. But we are not there yet; that is why we still label Matter as Beta in the integrations list. This will not change until our implementation has been certified.

We are still ironing out bugs, writing documentation, adding missing features, and doing a lot of troubleshooting. We are not alone on this, as many manufacturers needed this first year to get comfortable with the new standard as well, resulting in some unstable early devices coming to the market. We’ve also had to tweak our Home Assistant Operating System to work well with Matter, Thread, and its IPv6 requirement.

It has been a bumpy – sometimes even frustrating – ride, but everything is slowly getting into good shape. Vendors have ironed out bugs in their Matter device firmware, all kinds of new devices are popping up in stores, and the Matter 1.1 and 1.2 updates brought tons of stability fixes to the standard.

From our perspective, it’s amazing that Matter is already in this state after being started only a couple of years ago. You can clearly see the enormous power of so many companies, from small to big, believing in Matter and working together to improve it.

Get started with Matter in Home Assistant

If you want to get started with Matter in Home Assistant, it is really important that you read the documentation or watch this chapter of our stay stream, which covers all of it.

Matter has a couple of gotcha’s you must learn about, and since we’re nonetheless within the Beta stage, not all the things is as polished as we would like it to be.

Should you comply with the necessities/suggestions within the documentation, you will notice that there are 4 eventualities which might be secure and work properly in Residence Assistant in the present day:

  • Utilizing WiFi-based Matter units, like TP-Hyperlink (Matter) energy plugs.
  • Utilizing Matter bridges, just like the Aqara M2 or SwitchBot Hub 2.
  • Utilizing Thread-based Matter units; when you have an Apple iPhone and a number of Apple units that may be utilized by Residence Assistant as a Thread Border router: HomePod gen2, HomePod Mini, Apple TV 4K (with ethernet).
  • Utilizing Thread-based Matter units; when you have an Android telephone and a number of Google units that may be utilized by Residence Assistant as a Thread Border router:
    Google Nest Hub v2, Google Nest Hub Max, Google Nest WiFi Professional

It’s very vital to notice right here that for Thread-based units, the present really useful setup makes use of border routers from Apple or Google that match the kind of telephone you’ve gotten. Please don’t fear – this doesn’t imply it’s a must to add your units to their ecosystems. Residence Assistant will simply use them to get entry to the Thread radio community. The communication between the Residence Assistant Matter controller and your Matter units is totally encrypted and safe.

Utilizing Residence Assistant itself as a Thread border router (for instance, by utilizing the Thread radio within the Residence Assistant Yellow or Residence Assistant SkyConnect) remains to be below improvement at this level and is simply really useful for the extra technically skilled customers. Presently, resulting from a bug, it could possibly solely be arrange for those who use an Android telephone. Setting the Residence Assistant SkyConnect or Residence Assistant Yellow up as a Thread border router isn’t but attainable for customers within the iOS/Apple ecosystem. We advocate that iOS customers place, for instance, a HomePod Mini or different Apple border router close to their Thread units to get the required Thread protection. Alternatively, you may stick with WiFi-based Matter units.


You do not need any additional hardware or radios to work with Matter devices. Any device that is running Home Assistant Operating System, be it a Home Assistant Green, a Raspberry Pi, or any other installation, is already a fully functional Matter Controller. You can connect to WiFi-based Matter devices straight out of the box. Only if you plan to use Thread-based Matter devices do you need additional hardware in the form of a Thread border router.

Our tips for a frustration-free Matter experience:

  • Read the documentation for Matter.

  • The simplest units to get began with are WiFi-based Matter units and Matter bridges. Do be aware that many manufacturers with Matter bridges even have wonderful native integrations in Residence Assistant, and these integrations might supply options not but out there within the Matter customary.

  • It is advisable run the Residence Assistant Working System. Different set up varieties should not supported.

  • You want a normal (flat) community. Enterprise-like community setups with VLANs, mDNS responders, and many others., break the expectations that Matter has in regards to the community and should not supported. Hold it easy, and it’ll simply work.

  • Allow IPv6 on your private home router and Residence Assistant Working System. You don’t have to get IPv6 out of your web supplier, because the Matter units function regionally. However you do want to verify it’s enabled on your private home community.

  • If you’re planning on utilizing Thread-based Matter units, you will want a number of Thread border routers in your house. Residence Assistant can work with third-party Thread border routers from Google or Apple as properly, with out having so as to add your units to their ecosystem.

  • At all times test the gadget packaging to verify it has a Matter badge. Thread can be used for different requirements, so a tool with a Thread badge on the packaging doesn’t must be a Matter gadget.

  • Observe that Matter remains to be in an early stage, so not each superior function you might be used to might at present be applied on this customary.

  • Use the newest model of each Residence Assistant and the Residence Assistant Companion apps, as we’re bettering Matter help and fixing bugs constantly. Utilizing the newest model could make the distinction in having the ability to add a tool to Residence Assistant or not.


If you run into problems, please join our Discord server, the place we’ve a devoted Matter channel. Each our builders and lots of very skilled members of our group are lively there that will help you out along with your Matter setup. Please solely open a problem on our GitHub difficulty tracker for those who encounter an precise bug.

The Future of Matter in Home Assistant

In the near future, we are focusing on improving the user experience to onboard and manage Matter devices. Especially adding new Matter devices to Home Assistant should be as stress-free as possible.

This is what we are focusing on now:

  • Functionality to ‘share’ a device from Home Assistant to another Matter controller.
  • Showing basic device information and diagnostics about a device in the Home Assistant interface, as well as adding some troubleshooting options such as forcing a full interview.

This is what we will be focusing on next:

  • A simpler flow to add Matter devices (a process called commissioning), where we guide our users step-by-step all the way from unboxing a device to being able to control it in Home Assistant. For now, we are focusing on the stable scenarios we mentioned previously. This means that we are improving the commissioning flow in our companion apps, relying on the Matter functionality built into your phone, and using (if necessary) Thread networks managed by the vendor of your phone (Google or Apple).
  • A better handling of sharing of devices between controllers (a functionality called multi-admin). Adding a brand new Matter device (commissioning) and sharing a device that is already controlled by a Matter controller (multi-admin) are not part of the same flow. This difference is dictated by the Matter standard and its security features; a current controller (admin) has to allow a device to join another controller. This is often misunderstood today, and we are trying to create a better flow that guides our users toward the right path for their devices.
  • We want to implement some missing features in the current platforms, such as light transitions and scenes.

This is what we want to achieve in the long run:

  • The ability to use the Home Assistant SkyConnect or Home Assistant Yellow as a Thread border router to connect to Thread-based Matter devices instead of using Apple or Google Border routers.

On top of this, we will continuously focus on extending the support for new devices as new device types are added to the specification or existing ones are extended. In some cases, manufacturers even contribute to Home Assistant themselves to ensure a new device type is supported.

We are also continuously keeping the quality of our Matter integration up to the standard of Home Assistant and fixing the most impactful issues our users are facing. For example, right now, we are making sure Matter devices that lose power are handled better in Home Assistant.

Using Home Assistant Yellow or Home Assistant SkyConnect

As we mentioned while talking about the recommended scenarios earlier, using the Home Assistant Yellow or Home Assistant SkyConnect for Thread is still in development and only recommended for technically experienced users.

That’s why our current recommendation for Home Assistant Yellow and Home Assistant SkyConnect is to use the Zigbee firmware to power your Zigbee network. This is a stable solution that has worked reliably since the introduction of these products and offers a great experience.

As we continue to work on Matter in Home Assistant, we’re now focused on ensuring that the Thread experience will catch up and become a first-class citizen, making it easy to connect to your Thread-based devices in Home Assistant without a third-party Thread border router. The Thread firmware is already fully functional under the hood, but we still have some work to do to make the experience of using Thread-based devices in Home Assistant feel good. As we mentioned in our chapter on the future of Matter in Home Assistant, we expect great strides in this area within the following months. Once the experience has improved, we will recommend using this Thread firmware to power your Thread network as an alternative to using third-party Thread border routers from Apple or Google.

There is a third, experimental, firmware option that supports multiprotocol, which allows the Silicon Labs chip in these products to connect to both Zigbee and Thread networks with one radio. We announced our intent to release a firmware supporting multiprotocol when we launched Home Assistant Yellow and Home Assistant SkyConnect, and this firmware has been available since December 2022. It integrates the Silicon Labs SDK, which adds this support for multiprotocol. During the further development and testing of the multiprotocol firmware, we have concluded that while Silicon Labs’ multiprotocol works, it comes with technical limitations. These limitations mean users will not have the best experience compared to using dedicated Zigbee and Thread radios. That is why we do not recommend using this firmware, and it will remain an experimental feature of Home Assistant Yellow and Home Assistant SkyConnect. If you currently have the multiprotocol firmware installed but don’t actively use it to connect to Thread devices, we recommend that you disable multiprotocol.

Nothing adjustments for present customers of the multiprotocol firmware who’re proud of their expertise. The experimental multiprotocol firmware will stay out there, however we won’t advocate it to new customers. As a substitute, we’ll give attention to ensuring the devoted Zigbee and Thread firmwares ship one of the best expertise to customers.

Thank you

After our first year of implementing Matter, we’re very happy that the technical foundation is in good shape. We can now take the next steps to ensure the entire Matter experience is as good as it can possibly be! Thank you to all of the users who have been on this journey with us, have provided us with valuable feedback and bug reports, and have shared their experiences so we know how we can make Matter in Home Assistant even better. And thank you to all of the viewers of the live stream and everyone who sent in questions beforehand and during the stream; your input helps us make these streams the best they can be. And if you made it all the way down here – thank you for reading!

If you have any more questions or experience problems with Matter in Home Assistant, please join our Discord server! We’ve got a devoted Matter channel there, and our builders and lots of skilled members of our group will help you out.

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