News explainer · Published October 5, 2026

Home Assistant 2026.10 and Matter Leak Sensors: What Actually Changes

A small leak sensor beside two toggle switches labeled sound and light, representing separate audible and visual alarm controls — Illustration: DryLine Home

The headlines make it sound as if Home Assistant 2026.10 just learned to work with Matter leak sensors. It didn't, because those sensors were already showing up in Home Assistant. What the release adds is narrower and more useful: separate switches that turn the audible and visual alarms on supported Matter leak sensors on or off.

By the DryLine Home Team. Independent research from manufacturer specs, published reviews and owner reports; we don’t lab-test products. About us

Key takeaways

Release status: Home Assistant published the 2026.10 beta on September 30. The stable release is scheduled for October 7, 2026, and beta details can still change.
The change itself: two new switches, one for the audible alarm and one for the visual alarm, on supported Matter leak sensors. The release notes name the IKEA KLIPPBOK as an example.
No full compatibility list yet. News coverage says the sources don't list every supported sensor, so you'll need to check whether yours exposes the switches.
It doesn't make a leak sensor shut your water off. You still need a valve and an automation.
We haven't tested any of this. It's based on Home Assistant's beta notes and news coverage as of October 5.

What Home Assistant 2026.10 actually adds

According to Home Assistant's own beta notes, its Matter integration gains switches that turn the visual and audible alarms of supported leak sensors on or off, with the IKEA KLIPPBOK given as an example. The same release adds a one-touch locking switch for Matter locks and frequency and power-factor readings for devices that report them. Those two changes don't matter for leaks.

Matter leak sensors weren't missing before. Matter Alpha's testing of IKEA's Dirigera hub last year found leak sensors from IKEA, Sonoff and ThirdReality showing up in Home Assistant, as well as in Apple Home, SmartThings and Google Home. What Home Assistant couldn't do was control the sensor's own siren and light.

Why separate alarm switches matter

A leak sensor has two jobs: make a noise nearby and tell you about it elsewhere. Until now, if the siren was a problem, the only fix was a battery or a button on the sensor. With switches inside Home Assistant, the siren becomes something an automation can control. A few ideas, none of which we've tested:

Quiet nights. Silence the siren overnight but keep push notifications on.
Maintenance mode. Turn the alarm off while you service the washer or empty a dehumidifier, then switch it back on, instead of pulling the battery and forgetting.
Per-sensor rules. Keep the siren on for the sensor under the water heater, and mute it for one that sits near a bathroom you use at night.
A visual backup. Leave the light alarm on where a siren wouldn't be heard.

One caution: a muted siren is a real risk. If you automate an alarm off, make sure phone alerts still reach someone who can act.

How to check whether your sensor gets the switches

Wait for the stable release on October 7, or run the beta if you're comfortable with that.
Back up first. Take a full backup before any Home Assistant update.
Open your leak sensor's device page under Settings, Devices & services, Matter.
Look for two new switches, one for the audible alarm and one for the visual alarm.
If they don't appear, your sensor probably doesn't expose those controls through Matter yet. Check the maker's firmware notes.

What this doesn't change

No shutoff. A leak sensor can sound an alarm and send a notification, but it can't close a valve. For that you need a valve actuator or an in-line unit. See our Moen Flo alternatives guide.
No reason to replace a working sensor. The switches only matter if you want that kind of control.
Placement and batteries still matter. A sensor in the wrong spot, or with a dead battery, protects nothing. See where to place leak detectors.
The choice between Matter and other radios is unchanged. Our Matter sensor guide and Home Assistant sensor guide cover that choice.

Before you update

The 2026.10 release is in beta, and coverage notes several backward-incompatible changes, many of them in energy-related integrations, so read the breaking-changes list before you update. If your automations protect a house you can't check quickly, wait for the stable build.

Also in 2026.10: Tuya water valves

Not a Matter change, but relevant if you automate shutoff: the release notes say the Tuya integration now supports water valves, including their water usage and temperature readings. That's a note from the release, not a recommendation. We haven't reviewed any Tuya valve, and a valve that closes automatically needs the same care as any other. See the cost and install notes in our shutoff valve cost guide.

FAQ

Common questions

Is Home Assistant 2026.10 out yet?

Not as a stable release as of October 5, 2026. The beta was published on September 30, and the stable release is scheduled for October 7, 2026, with the usual caveat that dates and details can still change.

Does Home Assistant 2026.10 add Matter leak sensor support?

No. Matter leak sensors already worked in Home Assistant. The release adds switches that turn the audible and visual alarms on supported Matter leak sensors on or off.

Which Matter leak sensors get the new alarm switches?

The beta notes name the IKEA KLIPPBOK as an example of a supported sensor, but news coverage says the sources don't give a full list. After updating, check your sensor's device page for the two switches.

Can Home Assistant shut off my water with a Matter leak sensor?

A leak sensor alone can't. You also need a valve you can control, such as an actuator on a ball valve or an in-line shutoff unit, plus an automation that closes it when the sensor reports water.

Do I need a hub for Matter leak sensors?

It depends on the sensor and how it connects. Some use Thread and need a border router, and some connect through a bridge such as IKEA's Dirigera hub. Check the sensor's requirements before you buy.