To check if there are any Matter updatable devices in your home, please follow the below steps:

- Step 1: Go to "Settings" button (now moved to the top right corner of the Home tab page), and tap "Integration" under the current home section

Settings page 

- Step 2: Tap "Matter" in the integration list 

Integration page

- Step 3: If there are no Matter updatable devices in your home, there would be no device listed here. (Matter would be supported by waves)

Empty state of Matter list page

- Step 4: If there are any Matter updatable devices in the home, they would be listed on this page and categorised by room. 

Matter list