While we wait and wait for an official Windows 10 Sonos app there is a 3rd party app to keep us going. Phonos for Windows Phone has been updated to version 5.2.0445 and adds supports for Repeat One Track, improved Spotify and Amazon support, fixes for line-in and queue deleting issues.
While the app isn’t as full features or a simple to use as official Sonos app on other platforms it is the best we can get for now.
The app costs £1.89 from the Windows Store and there is a free trial available.