Quiet hours in Windows now updated, 3rd party apps can now send notifications
|Quiet hours in Windows 10|
“We just enabled this in the next Insider fast-ring flight of the Creators Update! All third-party alarm apps will break through quiet hours now, just like the first-party alarm app!”
So this feature is now live in the Insider’s release and would be subsequently available to production with the creator’s update due 2017. You can read the post here.
Thanks to Winbeta for the information.