[Problem/Bug]: widget using IWidgetResourceProvider to display web-content render blank

[duyngle]

What happened?

Our team project is attempting to use web-content to display a webpage on the widget dashboard. However, it is rendering as a blank page.

Importance

Important. My app's user experience is significantly compromised.

Runtime Channel

Stable release (WebView2 Runtime)

Runtime Version

1.0.2957.106

SDK Version

1.6.250108002

Framework

WinUI3/WinAppSDK

Operating System

Windows 11

OS Version

No response

Repro steps

Follow this official tutorial
https://learn.microsoft.com/en-us/windows/apps/develop/widgets/web-widget-providers

Repros in Edge Browser

No, issue does not reproduce in the corresponding Edge version

Regression

No, this never worked

Last working version (if regression)

No response

[prija-microsoft]

Can you please share etw traces for these.
https://github.com/MicrosoftEdge/WebView2Feedback/blob/main/diagnostics/etw.md