diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fd686b8..a3a1d37 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ defaults:
 
 jobs:
   build:
-    name: ${{matrix.platform.name}} ${{matrix.config.name}} ${{matrix.type.name}}
+    name: ${{matrix.platform.name}} ${{matrix.config.name}} ${{matrix.type.name}} ImGui ${{matrix.imgui.version}}
     runs-on: ${{matrix.platform.os}}
 
     strategy:
@@ -36,6 +36,9 @@ jobs:
         type:
         - { name: Release }
         - { name: Debug }
+        imgui:
+        - { version: 1.89, flags: -DIMGUI_SFML_DISABLE_OBSOLETE_FUNCTIONS=ON }
+        - { version: 1.91.5 }
 
     steps:
     - name: Get CMake and Ninja
@@ -55,7 +58,7 @@ jobs:
       with:
         repository: ocornut/imgui
         path: imgui
-        ref: v1.89
+        ref: v${{matrix.imgui.version}}
 
     - name: Checkout SFML
       uses: actions/checkout@v4
@@ -95,9 +98,9 @@ jobs:
           -DIMGUI_SFML_BUILD_EXAMPLES=ON \
           -DIMGUI_SFML_BUILD_TESTING=ON \
           -DIMGUI_SFML_ENABLE_WARNINGS=ON \
-          -DIMGUI_SFML_DISABLE_OBSOLETE_FUNCTIONS=ON \
           ${{matrix.platform.flags}} \
-          ${{matrix.config.flags}}
+          ${{matrix.config.flags}} \
+          ${{matrix.imgui.flags}}
 
     - name: Build ImGui-SFML
       run: cmake --build imgui-sfml/build --config ${{matrix.type.name}} --target install
diff --git a/imgui-SFML.cpp b/imgui-SFML.cpp
index b78898a..1ce54ea 100644
--- a/imgui-SFML.cpp
+++ b/imgui-SFML.cpp
@@ -702,37 +702,10 @@ void SetJoystickRTriggerThreshold(float threshold)
 void SetJoystickMapping(int key, unsigned int joystickButton)
 {
     assert(s_currWindowCtx);
-    // This function now expects ImGuiKey_* values.
-    // For partial backwards compatibility, also expect some ImGuiNavInput_* values.
-    ImGuiKey finalKey{};
-    switch (key)
-    {
-        case ImGuiNavInput_Activate:
-            finalKey = ImGuiKey_GamepadFaceDown;
-            break;
-        case ImGuiNavInput_Cancel:
-            finalKey = ImGuiKey_GamepadFaceRight;
-            break;
-        case ImGuiNavInput_Input:
-            finalKey = ImGuiKey_GamepadFaceUp;
-            break;
-        case ImGuiNavInput_Menu:
-            finalKey = ImGuiKey_GamepadFaceLeft;
-            break;
-        case ImGuiNavInput_FocusPrev:
-        case ImGuiNavInput_TweakSlow:
-            finalKey = ImGuiKey_GamepadL1;
-            break;
-        case ImGuiNavInput_FocusNext:
-        case ImGuiNavInput_TweakFast:
-            finalKey = ImGuiKey_GamepadR1;
-            break;
-        default:
-            assert(key >= ImGuiKey_NamedKey_BEGIN && key < ImGuiKey_NamedKey_END);
-            finalKey = static_cast<ImGuiKey>(key);
-    }
+    assert(key >= ImGuiKey_NamedKey_BEGIN);
+    assert(key < ImGuiKey_NamedKey_END);
     assert(joystickButton < sf::Joystick::ButtonCount);
-    s_currWindowCtx->joystickMapping[joystickButton] = finalKey;
+    s_currWindowCtx->joystickMapping[joystickButton] = static_cast<ImGuiKey>(key);
 }
 
 void SetDPadXAxis(sf::Joystick::Axis dPadXAxis, bool inverted)
@@ -1027,18 +1000,12 @@ void RenderDrawLists(ImDrawData* draw_data)
         const ImDrawList* cmd_list   = draw_data->CmdLists[n];
         const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
         const ImDrawIdx*  idx_buffer = cmd_list->IdxBuffer.Data;
-        glVertexPointer(2,
-                        GL_FLOAT,
-                        sizeof(ImDrawVert),
-                        (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, pos)));
-        glTexCoordPointer(2,
-                          GL_FLOAT,
-                          sizeof(ImDrawVert),
-                          (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, uv)));
+        glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + offsetof(ImDrawVert, pos)));
+        glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + offsetof(ImDrawVert, uv)));
         glColorPointer(4,
                        GL_UNSIGNED_BYTE,
                        sizeof(ImDrawVert),
-                       (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, col)));
+                       (const GLvoid*)((const char*)vtx_buffer + offsetof(ImDrawVert, col)));
 
         for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
         {