diff --git a/maszyna.vcxproj.filters b/maszyna.vcxproj.filters
index b3368c08..665a7b90 100644
--- a/maszyna.vcxproj.filters
+++ b/maszyna.vcxproj.filters
@@ -315,9 +315,6 @@
     <ClCompile Include="ref\imgui\imgui_draw.cpp">
       <Filter>Source Files\imgui</Filter>
     </ClCompile>
-    <ClCompile Include="ref\imgui\examples\imgui_impl_opengl2.cpp">
-      <Filter>Source Files\imgui</Filter>
-    </ClCompile>
     <ClCompile Include="ref\imgui\examples\imgui_impl_glfw.cpp">
       <Filter>Source Files\imgui</Filter>
     </ClCompile>
@@ -327,6 +324,12 @@
     <ClCompile Include="editoruipanels.cpp">
       <Filter>Source Files\application\mode_editor</Filter>
     </ClCompile>
+    <ClCompile Include="ref\imgui\examples\imgui_impl_opengl3.cpp">
+      <Filter>Source Files\imgui</Filter>
+    </ClCompile>
+    <ClCompile Include="ref\imgui\imgui_widgets.cpp">
+      <Filter>Source Files\imgui</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Globals.h">
diff --git a/renderer.cpp b/renderer.cpp
index a85679c0..4821d118 100644
--- a/renderer.cpp
+++ b/renderer.cpp
@@ -3722,8 +3722,8 @@ opengl_renderer::Init_caps() {
         + " Vendor: " + std::string( (char *)glGetString( GL_VENDOR ) )
         + " OpenGL Version: " + oglversion );
 
-    if( !GLEW_VERSION_1_5 ) {
-        ErrorLog( "Requires openGL >= 1.5" );
+    if( !GLEW_VERSION_3_0 ) {
+        ErrorLog( "Requires openGL >= 3.0" ); // technically 1.5 for now, but imgui wants more
         return false;
     }
 
diff --git a/stdafx.h b/stdafx.h
index 194b7018..145bed1f 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -106,14 +106,11 @@
 #include "openglmatrixstack.h"
 
 // imgui.h comes with its own operator new which gets wrecked by dbg_new, so we temporarily disable the latter
-#ifdef _MSC_VER
-#ifdef _DEBUG
+#ifdef DBG_NEW
+#pragma push_macro("new")
 #undef new
-#endif  // _DEBUG
-#endif
 #include "imgui.h"
-#ifdef _MSC_VER
-#ifdef _DEBUG
-#define new DBG_NEW
-#endif  // _DEBUG
+#pragma pop_macro("new")
+#else
+#include "imgui.h"
 #endif
diff --git a/uilayer.cpp b/uilayer.cpp
index b7d26251..c5ed4262 100644
--- a/uilayer.cpp
+++ b/uilayer.cpp
@@ -14,7 +14,7 @@ http://mozilla.org/MPL/2.0/.
 #include "renderer.h"
 
 #include "imgui_impl_glfw.h"
-#include "imgui_impl_opengl2.h"
+#include "imgui_impl_opengl3.h"
 
 extern "C"
 {
@@ -74,7 +74,8 @@ ui_layer::init( GLFWwindow *Window ) {
 //    m_imguiio->Fonts->AddFontFromFileTTF( "c:/windows/fonts/lucon.ttf", 13.0f );
 
     ImGui_ImplGlfw_InitForOpenGL( m_window, false );
-    ImGui_ImplOpenGL2_Init();
+//    ImGui_ImplOpenGL3_Init( "#version 140" );
+    ImGui_ImplOpenGL3_Init();
 
     init_colors();
 
@@ -118,7 +119,7 @@ ui_layer::init_colors() {
 void
 ui_layer::shutdown() {
 
-    ImGui_ImplOpenGL2_Shutdown();
+    ImGui_ImplOpenGL3_Shutdown();
     ImGui_ImplGlfw_Shutdown();
     ImGui::DestroyContext();
 }
@@ -188,7 +189,7 @@ ui_layer::render() {
     ::glClientActiveTexture( m_textureunit );
     ::glBindBuffer( GL_ARRAY_BUFFER, 0 );
 
-    ImGui_ImplOpenGL2_NewFrame();
+    ImGui_ImplOpenGL3_NewFrame();
     ImGui_ImplGlfw_NewFrame();
     ImGui::NewFrame();
 
@@ -198,7 +199,7 @@ ui_layer::render() {
     render_();
 
     ImGui::Render();
-    ImGui_ImplOpenGL2_RenderDrawData( ImGui::GetDrawData() );
+    ImGui_ImplOpenGL3_RenderDrawData( ImGui::GetDrawData() );
 
     ::glPopClientAttrib();
 }
diff --git a/version.h b/version.h
index 458ffd4c..abe477cd 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #pragma once
 
 #define VERSION_MAJOR 18
-#define VERSION_MINOR 911
+#define VERSION_MINOR 918
 #define VERSION_REVISION 0