Building a dashboard card for one device usually means picking its entities by hand, and the card goes stale as soon as an integration update adds a new sensor or drops an old one. A new device section strategy, written by Paul Bottein and merged into the Home Assistant frontend on 21 October 2026, fills a section with a single device's entities and follows them as they are added or removed. It is in the development branch and is set for Home Assistant 2026.11.

What the section shows

You pick which entity categories appear: controls, sensors, events, configuration and diagnostic. Controls and sensors are shown by default. The entities can appear as tiles or in a single entities card, optionally grouped by category.

The heading carries the device name. It can also show the device's area and, as a badge, its battery level. Hidden entities stay out automatically, and you can exclude individual entities you do not want to see.

You start in YAML for now

There is no button for this section in the dashboard editor yet. You add it in YAML and can then adjust it with its visual editor. Here is the example from the pull request:

- strategy:
    type: device
    device_id: 1a2b3c
    categories: [control, sensor, diagnostic]
    display: list
    group_by_category: true

The device_id is the internal ID of the device, not its name. One way to find it is the device page in Settings > Devices & services, where the ID appears at the end of the page address.

Two follow-ups are planned. One will let you add the section straight from the dashboard editor. The other will give the section editor a preview, which the card editor already has, so the effect of each option is visible while you change it.

Who will use it

The section suits devices with many entities that change over time: a thermostat, an inverter, a robot vacuum, or an ESPHome board you keep reflashing with new sensors. Instead of editing the dashboard after each change, the section picks up what the device currently exposes. Since it is a strategy, the layout is generated, so for full control over each tile a hand-built card is still the better choice.