For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /developers/blog/2025-04-24-device-tracker-accuracy.md.

    Device tracker TrackerEntity location accuracy 属性类型变更

    device_tracker entity 组件的 TrackerEntity 类中 location_accuracy 属性（简写为 _attr_location_accuracy）的类型已从 int 更改为 float。

    当源值为 float 时，不再需要类型转换。

    示例

    class ExampleTrackerEntity(TrackerEntity):
    """Test tracker entity."""

    _attr_location_accuracy: float = 2.5

    @cached_property
    def location_accuracy(self) -> float:
        """Return the location accuracy of the device.

        Value in meters.
        """
        return self._attr_location_accuracy