Initial creation of a ImGuiWindowFlags_NoBringToFrontOnFocus window push it at the front of global window list

imgui.cpp

@@ -3514,6 +3514,9 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFl
         window->AutoFitOnlyGrows = (window->AutoFitFramesX > 0) || (window->AutoFitFramesY > 0);
     }
 
+    if (flags & ImGuiWindowFlags_NoBringToFrontOnFocus)
+        g.Windows.insert(g.Windows.begin(), window); // Quite slow but rare and only once
+    else
         g.Windows.push_back(window);
     return window;
 }