[ANNOUNCEMENT] AddScriptToExecuteOnDocumentCreated bug fix for New Window is in 113. This is a potentially breaking change.

[monica-ch]

If your host app calls AddScriptToExecuteOnDocumentCreated after NewWindow is set in add_NewWindowRequested, this fix could result in the previously non-deterministic behavior to deterministically fail and will require you to update your host application. We suggest apps to start with this sample code to build a solution that will work with both older and future runtimes.

Related bug: #2491

C++

CHECK_FAILURE(m_webView->add_NewWindowRequested(
        Callback<ICoreWebView2NewWindowRequestedEventHandler>(
            [this](ICoreWebView2* sender, ICoreWebView2NewWindowRequestedEventArgs* args)
  {
   // get the browser version info of the current webview2 environment.
   wil::unique_cotaskmem_string currentRuntimeVersion;
   CHECK_FAILURE(environment->get_BrowserVersionString(&currentRuntimeVersion));

   std::string bugFixVersion = L"113.0.1774.12";
   int result = 0;
   CHECK_FAILURE(CompareBrowserVersions(bugFixVersion, currentRuntimeVersion, &result));
   // In new runtime call the `AddScriptToExecuteOnDocumentCreated' before NewWindow is set to inject initialization scripts into a newly created window's first navigation.
   if (result <= 0) {
     CHECK_FAILURE(new_webview->AddScriptToExecuteOnDocumentCreated(L"console.log('Hello');", nullptr));
     args->put_NewWindow(new_webview.Get());
   } else {
     args->put_NewWindow(new_webview.Get());
     CHECK_FAILURE(new_webview->AddScriptToExecuteOnDocumentCreated(L"console.log('Hello');", nullptr));
   }
   args->put_Handled(TRUE);
   return S_OK;
}).Get(), nullptr));

C#

webView.CoreWebView2.NewWindowRequested += (sender, args) =>
{
   // get the browser version info of the current webview2 environment.
   string currentRuntimeVersion = WebViewEnvironment.BrowserVersionString;

   string bugFixVersion = ""113.0.1774.12;
   int result = CoreWebView2Environment.CompareBrowserVersions(bugFixVersion , currentRuntimeVersion);

   // In new runtime call the `AddScriptToExecuteOnDocumentCreated' before NewWindow is set to inject initialization scripts into a newly created window's first navigation.
   if (result <= 0)
   {
      string id = await newWebview.CoreWebView2.AddScriptToExecuteOnDocumentCreatedAsync("console.log('Hello');");
      args.NewWindow = newWebView.CoreWebView2;
   } else {
      args.NewWindow = newWebView.CoreWebView2;
      string id = await newWebview.CoreWebView2.AddScriptToExecuteOnDocumentCreatedAsync("console.log('Hello');");
   }
   args.Handled = true;
};

Let us know if you have any questions.