The release notes for macOS Sequoia 15.1 make no mention of it, but according to a Reddit user, the update fixes the Background Sounds bug. It sure sounds like it.
“In conversation, things go best if you pay close attention and learn how to put yourself in someone else’s shoes. This is easier to do without your phone in hand.”
Diana Senechal: “To fight distraction is to defend something that matters, something that requires devotion of the mind. This is part of the meaning of study: to honor things through thought and longing.”