Yesterday, Apple also released version 14.2 with support for Home Theater mode with the Apple TV 4K which works with Dolby Atmos. It also adds support for Intercom between iPhone, iPad, Apple Watch, AirPods and CarPlay.
HomePod will automatically update, unless it has been turned off. HomePod can be manually updated via the Home app on iOS, iPadOS or macOS.
Release Notes
Software version 14.2 includes support for new Siri, Intercom, and Home Theater features. This update also includes bug fixes and improvements.
– Ask Siri “What’s my update?” to hear a personal snapshot of your day that includes the news, weather, traffic, reminders, and calendar appointments.
– Intercom using iPhone, iPad, Apple Watch, AirPods, and CarPlay.
-Connect HomePod to Apple TV 4K and enjoy stereo, surround sound, and Dolby Atmos audio. Add a second HomePod for a more immersive soundstage.