https://wccftech.com/homepod-15-1-beta-adds-support-for-dolby-atmos-and-lossless-audio/

Apple seeded the HomePod 15.1 beta software update today and it adds support for Dolby Atmos and lossless audio.

Before you get excited about this update, please do keep in mind that it is available at an invite-only basis. If you are a developer and do not see the update, then don’t be surprised at all.