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Homey pulls Matter firmware straight from the CSA's compliance ledger

Homey's new Device Updates panel patches Matter, Z-Wave and Zigbee gear from one app. For Matter devices the firmware metadata comes from the certification body's public registry, which any Matter controller can read.

The Product Desk · Product desk

Photograph accompanying Homey pulls Matter firmware straight from the CSA's compliance ledger
Photo: 9to5mac.com

What happened

  • Homey's new Device Updates feature installs firmware on Matter, Z-Wave and Zigbee devices from the Homey mobile or web app, with no trip through a manufacturer's app.
  • The user starts the update and Homey handles delivery, progress tracking and the completion notification, from More > Settings > Device Updates or a device's Maintenance settings.
  • Fourteen vendors added support at launch, among them IKEA, Aeotec, INNR, Inovelli, Zooz and ThirdReality, with Homey saying more are coming.
  • The feature runs on Homey Cloud, Homey Pro from 2023 through 2026, Homey Pro mini and the Homey Self-Hosted Server, and needs Homey Mobile App v13.2.0 or later.
  • Homey Pro and Homey Pro mini now act as Matter controllers and Thread border routers, so Matter-enabled Eve devices including Eve Energy and Eve Thermo work with Homey.

Compiled by The Product DeskSomething wrong?How this is made

Why it matters

  • capability A Homey owner can now patch a Matter device whose maker never wrote a line of Homey code, because the update does not route through a vendor integration.
  • constraint A mixed-protocol house still gets two answers to whether a device is patched, and the Z-Wave and Zigbee answer is set by whoever maintains that app.
  • precedent Because the registry is open to any Matter controller, buyers now have a specific feature to ask for by name when they compare hubs.
  • decision Picking between the Z-Wave and the Matter version of the same sensor now turns partly on which update path you want to depend on.

Say the device is a lock. If it speaks Z-Wave, Homey delivers the firmware through that device's Homey app, so whether it can be patched at all depends on the app's developer and on the manufacturer [3]. If it speaks Matter, Homey never opens a vendor app, and the vendor does not have to update its Homey app either [6]. Homey reads the Connectivity Standards Alliance's Distributed Compliance Ledger, which supplies the firmware version, a download URL, the file size, a checksum and applicability information [7]. Homey then pulls the binary from the manufacturer's URL and delivers it to the device using Matter's standardized OTA update mechanism [8].

The ledger is public, and the organisation that runs it is the same one that certifies Matter products [9]. So the version data behind a firmware push comes from the certifier's record and the file comes from the manufacturer's own server [7][8].

"Device firmware rarely gets updated because the process is cumbersome," said Stefan Witkamp, CEO at Athom [11]. "By handling device updates inside Homey, we make it practical for both users and developers. That makes the whole smart home more dependable," he said [12].

9to5Mac's HomeKit Weekly column presents the Matter handling as the part Apple Home users should take note of [16], and argues the path is part of the Matter standard itself, verified by the certification body, so any Matter controller could implement it [10]. The column does not report what Apple Home does with ledger firmware metadata [17]. On the evidence here, the gap between controllers is one of implementation, since the transport and the registry were already in place [10].

According to 9to5Mac, a missing update usually means the device's Homey app does not offer it yet, or the manufacturer has not published one [13]. For Matter gear, publication to the ledger decides it, whatever the launch vendor list says [19].

So the inventory splits into two columns. In one, the controller can display a device's current firmware version; in the other, somebody has to install a vendor app to find out. For the devices where a security patch would matter, a lock, a door sensor, the useful figure is how many of the ones in the first column are actually offered something newer. That figure moves for Matter devices when a manufacturer publishes to the ledger, and for Z-Wave and Zigbee devices when a Homey app developer ships support [3][7].

What to watch

  • Whether any other Matter controller adds DCL-based firmware updates; the column documents only Homey doing it.
  • How many manufacturers actually publish firmware metadata to the DCL, since Matter coverage on Homey tracks that count.
  • Whether the Z-Wave and Zigbee vendor list grows past the fourteen names on the launch list.
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