The MAUI application's UI does not render properly on a machine that does not have Visual Studio installed.

Question

I am encountering an issue where the UI of my .NET MAUI application does not render properly on a machine that does not have Visual Studio installed. Here are the specific details:

System Information:

1. System 1 (Windows 10):
   • Processor: Intel(R) Core(TM) i3-5005U CPU @ 2.00 GHz
   • RAM: 12 GB
   • OS Version: Windows 10 Pro, 22H2 (OS Build 19045.5131)
2. System 2 (Windows 11):
   • Processor: Intel(R) Core(TM) i5-4300U CPU @ 1.90 GHz
   • RAM: 12 GB
   • OS Version: Windows 11 Pro, 21H2 (OS Build 22000.2538)

Issue Details:

• The application works correctly on machines with Visual Studio installed.
• On machines without Visual Studio, the WebView fails to render the UI correctly or doesn’t load completely.

Questions:

• Are there specific dependencies or runtime components related to WebView in .NET MAUI that Visual Studio typically provides?
• How can I ensure my .NET MAUI application (especially the WebView) is fully self-contained and functions properly on machines without Visual Studio?
• Could the hardware limitations of my PCs (e.g., 4th generation CPU, GPU, or memory) contribute to rendering issues with the WebView in .NET MAUI applications?

Additional Notes:

• I published the .NET MAUI app to an MSIX file and installed it on a Windows 10 Pro, 22H2 OS Build 19045 system without Visual Studio, and it works as expected.
• However, on other systems without Visual Studio, the WebView UI issue persists.

Answer 1

If webview2 is not installed, then Maui falls back to the old webview.

https://learn.microsoft.com/en-us/microsoft-edge/webview2/