Per-app volume not working with youtube.com on Safari

Author: Jump-333Created Jul 31, 2026Updated Jul 31, 2026
Labelsbug

Per-app volume not working with youtube.com on Safari

Description of the bug

Using youtube.com on Safari and trying to control the volume does nothing. I tried muting any audio that the app could find (also in more apps), but youtube continued playing at normal volume

Steps to reproduce

Steps to reproduce the bug. This usually doesn't need to be super detailed.

  1. Go to 'youtube.com'
  2. Open a random video that has audio
  3. Try to change the volume of Safari or any Safari-related app in the list
  4. Nothing will change Versions
  • Background Music: 0.5.0
  • macOS: 27.0 Beta (26A5378n)

Hardware

  • Computer: Mac Mini M1 2020
  • Audio Device: Integrated speakers

Other info

Anything else you want to add?

Source: kyleneideck/BackgroundMusic