Tapping with two fingers at the same time crashes the app

[gitaakashstack]

Description

The MAUI app on Windows crashes when tapped with two fingers at the same time. As far as noticed, its happening because of the package Microsoft.Maui.Controls for any of its versions greater than 9.0.51. The latest version of Microsoft.Maui.Controls which does not crash the app is 9.0.51.

The screenshot attached is the error that comes up in Debug Mode

MAUI Version: 9.0.60 and above

Steps to Reproduce

1. Create a basic app with Microsoft.Maui.Controls package version 9.0.60 or above, for eg: 9.0.71
2. Run the app without any event handlers or TapGestureRecognizer and tap on a page with two fingers at the same time.

Expected Outcome: Should happen nothing. App should not crash
Actual Outcome: App crashes

Link to public reproduction project repository

https://github.com/gitaakashstack/MauiDoubletTapTest.git

Version with bug

9.0.70 SR7

Is this a regression from previous behavior?

Yes, this used to work in .NET MAUI

Last version that worked well

9.0.50 SR5

Affected platforms

Windows

Affected platform versions

net9.0-windows10.0.19041.0

Did you find any workaround?

Go back to Microsoft.Maui.Controls version 9.0.51 but that means cannot use CommunityToolkit.Maui 12 version

Relevant log output

[similar-issues-ai]

We've found some similar issues:

• Tapping with two fingers at the same time crashes the app #31284 , similarity score: 99%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

Note: You can give me feedback by 👍 or 👎 this comment.

[anandhan-rajagopal]

This issue has been verified in Visual Studio 17.14.12 preview1.0 MAUI version 9.0.100, 9.0.71 & 9.0.50. It doesn't reproduce on the Windows platform. I have attached the video for your reference. The attached sample is a basic default MAUI project without any additional code. If possible, kindly share a minimal reproducible sample that clearly demonstrates the issue with a demo.

WindowsTouch.mp4

[gitaakashstack]

My VisualStudio platform is 17.14.9. and a basic app without any additional code crashed with MAUI version 9.0.100, 9.0.71. I will soon upload the video of that.

[gitaakashstack]

This is the link of the sample code: https://github.com/gitaakashstack/MauiDoubletTapTest.git and here is the video of crashing the app on double tapping with two fingers at the same time

MauiAppSampleCrash.mp4

[gitaakashstack]

This is the video of same app running in Debug Mode

MaupAppCrashDebug.mp4

[anandhan-rajagopal]

@gitaakashstack , I have re-tested the scenario, but I’m still not able to reproduce the issue and getting the same output as I previously attached here: #31285 (comment).
To help narrow this down, could you please share the exact versions of your .NET SDK and MAUI workloads used during your testing? Let me know if you need any additional details from my side.