[UWP] AppUriHandler and Apps for websites fail with sideloading unless in Developer Mode

Luke Nuttall 1 Reputation point

I've tried to implement https://learn.microsoft.com/en-us/windows/uwp/launch-resume/web-to-app-linking and test a sideload build but while the entries are appearing in Settings -> Apps -> Apps for websites, the interception of the URIs doesn't work and my app doesn't open unless Developer Mode is on. Will these work under sideload without Developer Mode when the app is published to the store (which requires the windows-app-web-link file to be deployed)? I tried the links twitter.com entries that were built into windows, but they also didn't work unless developer mode is on.

Universal Windows Platform (UWP)
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