[101] Allow for specifying a sound through a URL · eae0873 · whatwg/notifications ( ( 版)) https://github.com/whatwg/notifications/commit/eae0873a49d07f4e1ba4bcb03a7db8aec0fa35b6
[7] Remove support for sounds from notifications (beverloo著, ) https://github.com/whatwg/notifications/commit/459bf358cae197a5b88c6a227e018756ef4c21cd
[10] Remove support for sounds from notifications by beverloo · Pull Request #127 · whatwg/notifications () https://github.com/whatwg/notifications/pull/127