diff --git a/backends/imgui_impl_glut.cpp b/backends/imgui_impl_glut.cpp
index 0678603bd..790e991d5 100644
--- a/backends/imgui_impl_glut.cpp
+++ b/backends/imgui_impl_glut.cpp
@@ -9,10 +9,11 @@
 //  [X] Platform: Partial keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLUT values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
 // Missing features:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
-//  [ ] Platform: Missing horizontal mouse wheel support.
-//  [ ] Platform: Missing mouse cursor shape/visibility support.
-//  [ ] Platform: Missing clipboard support (not supported by Glut).
-//  [ ] Platform: Missing gamepad support.
+//  [ ] Platform: Horizontal mouse wheel support.
+//  [ ] Platform: Mouse cursor shape/visibility support.
+//  [ ] Platform: Clipboard support (not supported by Glut).
+//  [ ] Platform: Gamepad support.
+//  [ ] Renderer: Multi-viewport support (multiple windows).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
diff --git a/backends/imgui_impl_glut.h b/backends/imgui_impl_glut.h
index 54e425397..bc2f6255f 100644
--- a/backends/imgui_impl_glut.h
+++ b/backends/imgui_impl_glut.h
@@ -9,10 +9,11 @@
 //  [X] Platform: Partial keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLUT values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
 // Missing features:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
-//  [ ] Platform: Missing horizontal mouse wheel support.
-//  [ ] Platform: Missing mouse cursor shape/visibility support.
-//  [ ] Platform: Missing clipboard support (not supported by Glut).
-//  [ ] Platform: Missing gamepad support.
+//  [ ] Platform: Horizontal mouse wheel support.
+//  [ ] Platform: Mouse cursor shape/visibility support.
+//  [ ] Platform: Clipboard support (not supported by Glut).
+//  [ ] Platform: Gamepad support.
+//  [ ] Renderer: Multi-viewport support (multiple windows).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
diff --git a/imgui.cpp b/imgui.cpp
index abb387504..b9b3157d6 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -18450,6 +18450,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
         for (int tab_n = tabs_unsorted_start; tab_n < tab_bar->Tabs.Size; tab_n++)
         {
             ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
+            IM_UNUSED(tab);
             IMGUI_DEBUG_LOG_DOCKING("[docking] - Tab 0x%08X '%s' Order %d\n", tab->ID, TabBarGetTabName(tab_bar, tab), tab->Window ? tab->Window->DockOrder : -1);
         }
         IMGUI_DEBUG_LOG_DOCKING("[docking] SelectedTabId = 0x%08X, NavWindow->TabId = 0x%08X\n", node->SelectedTabId, g.NavWindow ? g.NavWindow->TabId : -1);