For anyone looking for something similar until the issue is resolved.
I've found this on Spotify.
https://open.spotify.com/episode/4l9HYeeU36MGfyjLuIJr80?si=btI7hnKyS1uyPHGN2P3Vtg&utm_source=copy-link
I called support but after an 1hr 45mins. It was determined that the
only thing I could try would be send feedback on the app to hope the
Engineers with change it back for the next monthly updates.
This us literally ruining my baby's naps and night sleep! Please change
this back!!!! My baby is waking every 30 minutes with this new
noise. Compared to sleeping 12 hrs at night. I'm exhausted.