diff --git a/imgui.h b/imgui.h
index 2764ff4b7..f484d6e3d 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1121,8 +1121,8 @@ struct ImDrawList
 
     // Primitives
     IMGUI_API void  AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness = 1.0f);
-    IMGUI_API void  AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F);        // a: upper-left, b: lower-right
-    IMGUI_API void  AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F);  // a: upper-left, b: lower-right
+    IMGUI_API void  AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F, float thickness = 1.0f);   // a: upper-left, b: lower-right
+    IMGUI_API void  AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F);                     // a: upper-left, b: lower-right
     IMGUI_API void  AddRectFilledMultiColor(const ImVec2& a, const ImVec2& b, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left);
     IMGUI_API void  AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col);
     IMGUI_API void  AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12, float thickness = 1.0f);
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index b2e4e09eb..4b51e2bba 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1804,24 +1804,24 @@ static void ShowExampleAppCustomRendering(bool* opened)
         const ImVec2 p = ImGui::GetCursorScreenPos();
         const ImU32 col32 = ImColor(col);
         float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f;
-        draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 32); x += sz+spacing;
-        draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing;
-        draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y   ), col32); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x,    y+sz), col32); x += spacing;
-        draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x+sz*1.3f,y+sz*0.3f), ImVec2(x+sz-sz*1.3f,y+sz-sz*0.3f), ImVec2(x+sz, y+sz), col32, 1.0f);
-        x = p.x + 4;
-        y += sz+spacing;
+        for (int n = 0; n < 2; n++)
+        {
+            float thickness = (n == 0) ? 1.0f : 4.0f;
+            draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 20, thickness); x += sz+spacing;
+            draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 0.0f, ~0, thickness); x += sz+spacing;
+            draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ~0, thickness); x += sz+spacing;
+            draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y   ), col32, thickness); x += sz+spacing;
+            draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, thickness); x += sz+spacing;
+            draw_list->AddLine(ImVec2(x, y), ImVec2(x,    y+sz), col32, thickness); x += spacing;
+            draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x+sz*1.3f,y+sz*0.3f), ImVec2(x+sz-sz*1.3f,y+sz-sz*0.3f), ImVec2(x+sz, y+sz), col32, thickness);
+            x = p.x + 4;
+            y += sz+spacing;
+        }
         draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 32); x += sz+spacing;
         draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing;
         draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y   ), col32, 4.0f); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 4.0f); x += sz+spacing;
-        draw_list->AddLine(ImVec2(x, y), ImVec2(x,    y+sz), col32, 4.0f); x += spacing;
-        draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x+sz*1.3f,y+sz*0.3f), ImVec2(x+sz-sz*1.3f,y+sz-sz*0.3f), ImVec2(x+sz, y+sz), col32, 4.0f); x += sz+spacing;
         draw_list->AddRectFilledMultiColor(ImVec2(x, y), ImVec2(x+sz, y+sz), ImColor(0,0,0), ImColor(255,0,0), ImColor(255,255,0), ImColor(0,255,0));
-        ImGui::Dummy(ImVec2((sz+spacing)*8, (sz+spacing)*2));
+        ImGui::Dummy(ImVec2((sz+spacing)*8, (sz+spacing)*3));
     }
     ImGui::Separator();
     {
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 77d596cd1..5a8fe770e 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -784,12 +784,12 @@ void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thic
 }
 
 // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
-void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners)
+void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners, float thickness)
 {
     if ((col >> 24) == 0)
         return;
     PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.5f,0.5f), rounding, rounding_corners);
-    PathStroke(col, true);
+    PathStroke(col, true, thickness);
 }
 
 void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners)