Locked

Supported on: Firefox 78 or later

Registry

HKLM Software\Policies\Mozilla\Firefox\PictureInPicture

HKCU Software\Policies\Mozilla\Firefox\PictureInPicture

Value name: Locked

Enabled: Locked = 1

Disabled: Locked = 0

Description

If this policy is enabled, Picture-in-Picture settings cannot be changed by the user. If this policy is disabled or not configured, Picture-in-Picture settings can be changed by the user.