You may have noticed one very distinct change: weird chirping sounds.
Here is how it’s possible for you to turn them off in iOS and Android.
Facebook has a history ofadding sounds nobody really wants, and this update is fits right in.
For iOS, go to More > tweaks > Sounds, and toggle it to off.
Now you might browse your feed in peace.
How to deactivate the annoying sounds in the Facebook app| Cnet