net8 sr9 Win Platform Memory leak when multiple windows get closed

[jingliancui]

Description

Beginning memory about 106M

After open 100 windows about 503M

After closed 100 windows about 456M

Steps to Reproduce

Open the .sln by using vs2022 F5 to start debug the project Input a number 100 to the Entry Control Click the button "new windows" Observe the "Process Memory" part of the VS tool "Diagnostic Tools", the memory increase Click the button "Close all windows" Continue repeat step 4 to step 6

Link to public reproduction project repository

https://github.com/jingliancui/MAUIWinUIWinMemoryLeakIssue

Another native winui3 sampleapp, It looks like winui3 also have this issue WinUINativeSampleApp.zip

Version with bug

8.0.90 SR9

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

Windows

Affected platform versions

No response

Did you find any workaround?

No

Relevant log output

No response

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• Memory leak when Windows multiple window get closed (#24140), similarity score: 0.89
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• Multi-window memory leak (#10029), similarity score: 0.77

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[MartyIX]

This is https://github.com/dotnet/maui/wiki/Memory-Leaks good resource to read if you haven't yet. It might help you narrow down what is causing the leak.

Anyway, it reminds me of https://github.com/microsoft/microsoft-ui-xaml/issues/9063. If it sounds like your issue, please upvote it.

[jingliancui]

This is https://github.com/dotnet/maui/wiki/Memory-Leaks good resource to read if you haven't yet. It might help you narrow down what is causing the leak.

Anyway, it reminds me of https://github.com/microsoft/microsoft-ui-xaml/issues/9063. If it sounds like your issue, please upvote it.

Hi @MartyIX , it looks like similar. Also up voted. This memory defect have been impacted my one product. Not sure is it the winui3 issue or MAUI issue.

[ninachen03]

This issue has been verified using Visual Studio 17.12.0 Preview 2.0(8.0.90 & 8.0.80). Can repro this issue at windows platform.

[jingliancui]

Another native winui3 sampleapp, It looks like winui3 also have this issue WinUINativeSampleApp.zip