Do Not Disturb Button, donotdisturb-button@nls1729 - Effective March 29, 2021 the extension is NOT MAINTAINED. I give my permission to anyone who may want to become the maintainer. I no not have the free time or energy necessary to maintain the extension. Indicate busy status to block display of notifications and mute sounds. User options are provided to automatically set busy status at session start and schedule timeout of busy status.

Extension Homepage

https://nls1729.github.io/donotdisturb_button.html

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Shell version… Extension version…