MFC MDI app using WebView2 not responding

Description
This occurs while creating multiple MDI ChildFrame containing a WebView2 control.
MDI ChildFrame is created and after a while it is not responding.

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//Call Stack

win32u.dll!NtUserSetWindowLong@16()
user32.dll!SetWindowLong()
user32.dll!SetWindowLongW@12()
EmbeddedBrowserWebView.dll!embedded_browser_webview_current::Controller::UpdateBrowserWindowStyle()
EmbeddedBrowserWebView.dll!embedded_browser_webview_current::Controller::ConnectToBrowserWithWindow()
EmbeddedBrowserWebView.dll!embedded_browser_webview_current::Controller::ConnectToBrowser(class mojo::StructPtr const &)
EmbeddedBrowserWebView.dll!embedded_browser_webview_current::EmbeddedBrowserWebView::InitializeWebViewCompleted()
EmbeddedBrowserWebView.dll!base::internal::FunctorTraits<void (embedded_browser_webview_current::EmbeddedBrowserWebView::)(mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>) attribute((thiscall)),void>::Invoke<void (embedded_browser_webview_current::EmbeddedBrowserWebView::)(mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>) attribute((thiscall)),embedded_browser_webview_current::EmbeddedBrowserWebView ,mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>>()
EmbeddedBrowserWebView.dll!base::internal::Invoker<base::internal::BindState<void (embedded_browser_webview_current::EmbeddedBrowserWebView::)(mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>) attribute((thiscall)),base::internal::RetainedRefWrapper<embedded_browser_webview_current::EmbeddedBrowserWebView>>,void (mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>)>::RunOnce()
EmbeddedBrowserWebView.dll!base::OnceCallback<void (mojo::StructPtr<embedded_browser::mojom::EmbeddedBrowserCreationData>)>::Run()
EmbeddedBrowserWebView.dll!embedded_browser::mojom::EmbeddedBrowser_Initialize_ForwardToCallback::Accept(class mojo::Message *)
EmbeddedBrowserWebView.dll!mojo::InterfaceEndpointClient::HandleValidatedMessage()
EmbeddedBrowserWebView.dll!mojo::MessageDispatcher::Accept(class mojo::Message )
EmbeddedBrowserWebView.dll!mojo::InterfaceEndpointClient::HandleIncomingMessage(class mojo::Message )
EmbeddedBrowserWebView.dll!mojo::internal::MultiplexRouter::ProcessIncomingMessage()
EmbeddedBrowserWebView.dll!mojo::internal::MultiplexRouter::Accept(class mojo::Message )
EmbeddedBrowserWebView.dll!mojo::MessageDispatcher::Accept(class mojo::Message )
EmbeddedBrowserWebView.dll!mojo::Connector::DispatchMessageW()
EmbeddedBrowserWebView.dll!mojo::Connector::ReadAllAvailableMessages()
EmbeddedBrowserWebView.dll!mojo::Connector::OnHandleReadyInternal()
EmbeddedBrowserWebView.dll!base::internal::Invoker<base::internal::BindState<void (embedded_browser::mojom::EmbeddedBrowserClient_OnServerCertificateError_ProxyToResponder::)(embedded_browser::mojom::ServerCertificateErrorResponseState) attribute((thiscall)),std::Cr::unique_ptr<embedded_browser::mojom::EmbeddedBrowserClient_OnServerCertificateError_ProxyToResponder,std::Cr::default_delete<embedded_browser::mojom::EmbeddedBrowserClient_OnServerCertificateError_ProxyToResponder>>>,void (embedded_browser::mojom::ServerCertificateErrorResponseState)>::RunOnce()
EmbeddedBrowserWebView.dll!mojo::SimpleWatcher::DiscardReadyState()
EmbeddedBrowserWebView.dll!base::internal::Invoker<base::internal::BindState<void ()(const base::RepeatingCallback<void (unsigned int)> &, unsigned int, const mojo::HandleSignalsState &),base::RepeatingCallback<void (unsigned int)>>,void (unsigned int, const mojo::HandleSignalsState &)>::Run()
EmbeddedBrowserWebView.dll!mojo::SimpleWatcher::OnHandleReady()
EmbeddedBrowserWebView.dll!base::internal::Invoker<base::internal::BindState<void (mojo::SimpleWatcher::)(int, unsigned int, const mojo::HandleSignalsState &) attribute((thiscall)),base::WeakPtrmojo::SimpleWatcher,int,unsigned int,mojo::HandleSignalsState>,void ()>::RunOnce()
EmbeddedBrowserWebView.dll!base::TaskAnnotator::RunTaskImpl(struct base::PendingTask &)
EmbeddedBrowserWebView.dll!base::TaskAnnotator::RunTask<>()
EmbeddedBrowserWebView.dll!embedded_browser_webview::internal::AppTaskRunner::DoWork()
EmbeddedBrowserWebView.dll!embedded_browser_webview::internal::AppTaskRunner::MessageCallback()
EmbeddedBrowserWebView.dll!base::internal::Invoker<base::internal::BindState<bool (embedded_browser_webview::internal::AppTaskRunner::)(unsigned int, unsigned int, long, long *) attribute((thiscall)),base::internal::UnretainedWrapper<embedded_browser_webview::internal::AppTaskRunner>>,bool (unsigned int, unsigned int, long, long )>::Run()
EmbeddedBrowserWebView.dll!base::win::MessageWindow::WindowProc()
EmbeddedBrowserWebView.dll!base::win::WrappedWindowProc<&base::win::MessageWindow::WindowProc>()
user32.dll!__InternalCallWinProc@20()
user32.dll!UserCallWinProcCheckWow()
user32.dll!CallWindowProcAorW(long ()(struct HWND *,unsigned int,unsigned int,long),struct HWND_ *,enum WM_VALUE,unsigned int,long,int)
user32.dll!CallWindowProcW@20()
mfc140u.dll!AfxActivationWndProc(HWND * hWnd, unsigned int nMsg, unsigned int wParam, long lParam) 줄 478 C++
user32.dll!InternalCallWinProc@20()
user32.dll!UserCallWinProcCheckWow()
user32.dll!DispatchMessageWorker()
user32.dll!DispatchMessageW@4()
mfc140u.dll!AfxInternalPumpMessage() 줄 183 C++
mfc140u.dll!AfxWinMain(HINSTANCE * hInstance, HINSTANCE * hPrevInstance, wchar_t * lpCmdLine, int nCmdShow) 줄 61 C++
kernel32.dll!@BaseThreadInitThunk@12()

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Version
SDK: Microsoft.Web.WebView2(1.0.1343.22) , Microsoft.Windows.ImplementationLibrary(1.0.220914.1)
Runtime: WebView2 105.0.1343.42
Framework: Win32, MFC(Visual C++ 2022, Visual Studio 2022 17.2.6)
OS: Windows 10 21H2 10.0.19044.2130

Repro Steps

Screenshots

Additional context
It doesn't always happen. difficult to reproduce.
'Windows 10 1909 18363.1556' that almost always happens.