The latest update to the Sonos app brings back the sleep timer and introduces several other improvements, including better setup, Bluetooth discovery, and Wi-Fi settings. The update also includes improved playback settings, a mute button on iOS, improved Trueplay on iOS, distance settings for home theater surround speakers, and better navigation cues for those with visual impairments. Sonos has also provided a list of upcoming improvements, which include mute and volume numbers on the playback controls, more accessibility improvements for visual impairments, and local music library search and playback. The update is available now for iOS and Android devices.