diff --git a/imgui.cpp b/imgui.cpp
index 17d2f894..344ec61f 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -5572,6 +5572,7 @@ static void InitOrLoadWindowSettings(ImGuiWindow* window, ImGuiWindowSettings* s
     // Use SetNextWindowPos() with the appropriate condition flag to change the initial position of a window.
     const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
     window->Pos = main_viewport->Pos + ImVec2(60, 60);
+    window->Size = window->SizeFull = ImVec2(0, 0);
     window->SetWindowPosAllowFlags = window->SetWindowSizeAllowFlags = window->SetWindowCollapsedAllowFlags = ImGuiCond_Always | ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing;
 
     if (settings != NULL)
@@ -14608,9 +14609,13 @@ void ImGui::DebugLogV(const char* fmt, va_list args)
     const int old_size = g.DebugLogBuf.size();
     g.DebugLogBuf.appendf("[%05d] ", g.FrameCount);
     g.DebugLogBuf.appendfv(fmt, args);
+    g.DebugLogIndex.append(g.DebugLogBuf.c_str(), old_size, g.DebugLogBuf.size());
     if (g.DebugLogFlags & ImGuiDebugLogFlags_OutputToTTY)
         IMGUI_DEBUG_PRINTF("%s", g.DebugLogBuf.begin() + old_size);
-    g.DebugLogIndex.append(g.DebugLogBuf.c_str(), old_size, g.DebugLogBuf.size());
+#ifdef IMGUI_ENABLE_TEST_ENGINE
+    if (g.DebugLogFlags & ImGuiDebugLogFlags_OutputToTestEngine)
+        IMGUI_TEST_ENGINE_LOG("%s", g.DebugLogBuf.begin() + old_size);
+#endif
 }
 
 void ImGui::ShowDebugLogWindow(bool* p_open)
diff --git a/imgui_internal.h b/imgui_internal.h
index bc7b2ff9..9a353b32 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1748,7 +1748,8 @@ enum ImGuiDebugLogFlags_
     ImGuiDebugLogFlags_EventSelection   = 1 << 5,
     ImGuiDebugLogFlags_EventIO          = 1 << 6,
     ImGuiDebugLogFlags_EventMask_       = ImGuiDebugLogFlags_EventActiveId  | ImGuiDebugLogFlags_EventFocus | ImGuiDebugLogFlags_EventPopup | ImGuiDebugLogFlags_EventNav | ImGuiDebugLogFlags_EventClipper | ImGuiDebugLogFlags_EventSelection | ImGuiDebugLogFlags_EventIO,
-    ImGuiDebugLogFlags_OutputToTTY      = 1 << 10,  // Also send output to TTY
+    ImGuiDebugLogFlags_OutputToTTY        = 1 << 10,  // Also send output to TTY
+    ImGuiDebugLogFlags_OutputToTestEngine = 1 << 11,  // Also send output to Test Engine
 };
 
 struct ImGuiMetricsConfig