Microsoft is also updating the Copilot icon on the taskbar, and bringing the ability to dock, undock, and resize the Copilot pane.

This post lists 8 ways you can Mute or Unmute Sound Volume in Windows 11/10 - Via Keyboard, Taskbar icon, Game Bar, Settings app, etc.

If Windows 11/10 Taskbar Volume Control icon has stopped working & when you click on the volume icon nothing happens & you are not able to change the volume see this post.