For as long as I’ve run a local-first home, cameras have been the one category I kept at arm’s length. Everything else in my setup — lights, plugs, sensors, the whole Home Assistant OS box humming away on a used HP EliteDesk — talks locally and answers to nobody’s cloud. Cameras were the exception. Buy almost any consumer model and you’re really buying a subscription, a phone app, and a promise that someone else’s server will keep your living room to itself. So I mostly did without, and made do with a couple of RTSP cameras flashed into submission.
That’s why the news out of the Connectivity Standards Alliance actually made me sit up. Matter 1.5 adds cameras to the standard — and, unusually for this industry, local access is written into the specification itself, not bolted on as an afterthought. Pair that with the fact that Home Assistant just rebuilt its entire Matter engine, and for the first time I’m genuinely curious about where this goes.
What Matter 1.5 actually added
Matter 1.5 was published by the CSA on 20 November 2025, and it’s the biggest functional expansion the standard has seen in a while. Four things landed at once: cameras, a unified model for “closures” (blinds, shades, awnings, gates, garage doors), soil sensors for irrigation, and a serious round of energy-management additions including standardized tariff data and bi-directional EV charging.
Cameras are the headline, and the detail that matters to me is how they work. Matter cameras stream video and audio over WebRTC — the same peer-to-peer technology your browser uses for video calls — with two-way audio and both local and remote access via standard STUN and TURN. The spec also covers multi-stream setups, pan-tilt-zoom, detection and privacy zones, and flexible storage: continuous or event-based recording, to local storage or the cloud, the manufacturer’s choice. To move all that data around, 1.5 also added full TCP transport for large messages, which is what makes image-heavy device types like cameras practical in the first place.
Read that carefully and you’ll notice what’s missing: a mandatory cloud. The standard defines local access as a first-class path. That doesn’t force any given vendor to give you cloud-free operation — a manufacturer can still build a camera that phones home for everything — but for the first time the plumbing for a local-only camera is part of the certified standard rather than something you have to reverse-engineer. That’s a meaningfully different starting point.

Home Assistant rebuilt its Matter engine at the same time
Timing is everything, and the second half of this story is that Home Assistant didn’t stand still. In late June the team shipped a from-scratch rebuild of the Open Home Foundation Matter Server, moving it off the Python-and-C++ SDK foundation and onto matter.js, an open-source TypeScript implementation of the standard. It arrives as “Matter Server app 9.0,” a drop-in replacement that migrates your data on first start and otherwise behaves like the old one.
The practical wins are the boring, important kind: faster start-up and recovery, quicker device reconnection, more reliable over-the-air updates, and tighter commissioning security — uncertified devices carrying only a development/test certificate can no longer be added out of the box, and the server now checks certificate revocation data when you pair something new. Crucially, this new server brings Home Assistant up to the Matter 1.5.1 specification, with 1.6 already in the pipeline. In other words, the software side is finally ready for the device types 1.5 introduced.
The feature I didn’t expect to care about is the new network visualization in the Matter Server’s web UI. It maps every commissioned device as a node — a crown for the Thread leader, arrows for routers, markers for sleepy end devices — and colours the links by connection quality, green through red. If you’ve ever tried to debug a Thread mesh by squinting at logs and guessing which sensor is routing through which, this is the tool you wanted. For someone like me who runs everything locally and has nobody’s support line to call, having the network actually drawn is worth more than another dashboard card.
Why a local-first house should care
Here’s the honest part: none of this changes my setup today. I can’t walk into Digitec next week and buy a Matter 1.5 camera — the spec shipped in November, Home Assistant’s support landed in June, and certified hardware always trails the standard by many months. Matter now runs in roughly 38% of Home Assistant installs, so the demand is clearly there, but cameras specifically are still early. Anyone promising you a shelf full of Matter cameras right now is selling optimism.
What it changes is the direction of travel. For years the smart-camera market has been a walled-garden business: the hardware is a loss leader for a subscription, and “local recording” is a feature they grudgingly allow rather than a default. A certified standard that treats local WebRTC streaming as normal is exactly the kind of lever that shifts defaults over time. It’s the same pattern I watched play out with plugs and relays — once the local path is standard, the cloud-only products start to look like the odd ones out.
I’m also keeping my expectations calibrated. WebRTC being in the spec doesn’t guarantee a given camera exposes a clean local RTSP or recording path the way my current cameras do; vendors will still differentiate on their apps and services, and some will make the local experience deliberately thin. Storage is “manufacturer’s choice,” which is exactly where the cloud tends to sneak back in. So I’ll judge the first wave of Matter cameras the way I judge everything else here — by what they do when the internet is unplugged, not by what the box promises.
What I’m actually going to do
For now, nothing dramatic — and that’s the point of running things locally. My existing cameras keep working regardless of what the standards bodies do. But I did update the Matter Server app on the EliteDesk to 9.0, mostly for the reconnection speed and that Thread mesh view, and it migrated cleanly with no drama. When the first genuinely local-friendly Matter camera shows up at a Swiss retailer, I’ll buy one, plug it in, cut its internet access at the router, and see what survives. If it keeps streaming to Home Assistant with the WAN pulled, it earns a place on the wall. If it doesn’t, it goes back in the box and I’ll tell you why here.
That’s the whole test, really. Matter 1.5 finally gave the industry a standard way to build a camera that respects your network. Whether manufacturers actually take that path is the story worth watching over the rest of 2026 — and it’s one I’ll be documenting from the one house I can vouch for.










