diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 13c9eb6b..4ced7214 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,69 +29,69 @@ jobs:
         name: vst_ubuntu
         path: vst_ubuntu
 
-  build-windows:
-    runs-on: windows-latest
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-    - name: Run script
-      run: ci/ci_windows.ps1
-    - name: Upload
-      if: ${{ startsWith(github.ref, 'refs/tags/') }}
-      uses: actions/upload-artifact@v3
-      with:
-        name: vst_windows
-        path: vst_windows
+  # build-windows:
+  #   runs-on: windows-latest
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v3
+  #     with:
+  #       submodules: recursive
+  #   - name: Run script
+  #     run: ci/ci_windows.ps1
+  #   - name: Upload
+  #     if: ${{ startsWith(github.ref, 'refs/tags/') }}
+  #     uses: actions/upload-artifact@v3
+  #     with:
+  #       name: vst_windows
+  #       path: vst_windows
 
-  build-macOS:
-    runs-on: macos-latest
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-    - name: Run script
-      run: ci/ci_macOS.sh
-    - name: Upload
-      if: ${{ startsWith(github.ref, 'refs/tags/') }}
-      uses: actions/upload-artifact@v3
-      with:
-        name: vst_macOS
-        path: vst_macOS
+  # build-macOS:
+  #   runs-on: macos-latest
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v3
+  #     with:
+  #       submodules: recursive
+  #   - name: Run script
+  #     run: ci/ci_macOS.sh
+  #   - name: Upload
+  #     if: ${{ startsWith(github.ref, 'refs/tags/') }}
+  #     uses: actions/upload-artifact@v3
+  #     with:
+  #       name: vst_macOS
+  #       path: vst_macOS
 
-  release-packaging:
-    needs: [build-ubuntu, build-windows, build-macOS]
-    runs-on: ubuntu-latest
-    if: ${{ startsWith(github.ref, 'refs/tags/UhhyouPlugins') }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          path:
-          ref: ${{ github.ref }}
-          submodules: recursive
-      - name: Download Artifacts
-        uses: actions/download-artifact@v3
-        with:
-          path: ${{ env.package_path }}
-      - name: Run package script
-        run: |
-          cd ${{ env.package_path }}
-          echo "Run pack.py"
-          python3 pack.py
-          echo "Run studiorack.py"
-          python3 studiorack.py
-      - name: Get Release Notes
-        run: 'echo "$(git tag -l --format="%(contents:body)" $GITHUB_REF_NAME)" > RELEASE_NOTES'
-      - name: Release
-        uses: softprops/action-gh-release@v1
-        with:
-          body_path: RELEASE_NOTES
-          files: |
-            ${{ env.package_path }}/pack_macOS/*.zip
-            ${{ env.package_path }}/pack/*.zip
-            ${{ env.package_path }}/pack/*.png
-            ${{ env.package_path }}/pack/plugins.json
-            ${{ env.package_path }}/audiosample/*.flac
+  # release-packaging:
+  #   needs: [build-ubuntu, build-windows, build-macOS]
+  #   runs-on: ubuntu-latest
+  #   if: ${{ startsWith(github.ref, 'refs/tags/UhhyouPlugins') }}
+  #   steps:
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #       with:
+  #         path:
+  #         ref: ${{ github.ref }}
+  #         submodules: recursive
+  #     - name: Download Artifacts
+  #       uses: actions/download-artifact@v3
+  #       with:
+  #         path: ${{ env.package_path }}
+  #     - name: Run package script
+  #       run: |
+  #         cd ${{ env.package_path }}
+  #         echo "Run pack.py"
+  #         python3 pack.py
+  #         echo "Run studiorack.py"
+  #         python3 studiorack.py
+  #     - name: Get Release Notes
+  #       run: 'echo "$(git tag -l --format="%(contents:body)" $GITHUB_REF_NAME)" > RELEASE_NOTES'
+  #     - name: Release
+  #       uses: softprops/action-gh-release@v1
+  #       with:
+  #         body_path: RELEASE_NOTES
+  #         files: |
+  #           ${{ env.package_path }}/pack_macOS/*.zip
+  #           ${{ env.package_path }}/pack/*.zip
+  #           ${{ env.package_path }}/pack/*.png
+  #           ${{ env.package_path }}/pack/plugins.json
+  #           ${{ env.package_path }}/audiosample/*.flac
diff --git a/ci/ci_ubuntu.sh b/ci/ci_ubuntu.sh
index ef751378..03a2a761 100755
--- a/ci/ci_ubuntu.sh
+++ b/ci/ci_ubuntu.sh
@@ -10,10 +10,11 @@ sudo apt-get update
 sudo apt-get install cmake gcc "libstdc++6" libx11-xcb-dev libxcb-util-dev libxcb-cursor-dev libxcb-xkb-dev libxkbcommon-dev libxkbcommon-x11-dev libfontconfig1-dev libcairo2-dev libgtkmm-3.0-dev libsqlite3-dev libxcb-keysyms1-dev
 
 # Patch vst3sdk.
-# - https://github.com/ryukau/VSTPlugins/issues/3
-cp \
-  ci/linux_patch/cairocontext.cpp \
-  lib/vst3sdk/vstgui4/vstgui/lib/platform/linux/cairocontext.cpp
+# - https://github.com/ryukau/VSTPlugins/issues/48
+# - https://github.com/steinbergmedia/vstgui/issues/126
+cd lib/vst3sdk/vstgui4/
+git apply ../../../ci/linux_patch/cairographicscontext.patch
+cd ../../../
 
 cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
 cmake --build build
diff --git a/ci/linux_patch/cairographicscontext.patch b/ci/linux_patch/cairographicscontext.patch
new file mode 100644
index 00000000..f741073a
--- /dev/null
+++ b/ci/linux_patch/cairographicscontext.patch
@@ -0,0 +1,54 @@
+diff --git a/vstgui/lib/platform/linux/cairographicscontext.cpp b/vstgui/lib/platform/linux/cairographicscontext.cpp
+index ab620cc9..f9b735bf 100644
+--- a/vstgui/lib/platform/linux/cairographicscontext.cpp
++++ b/vstgui/lib/platform/linux/cairographicscontext.cpp
+@@ -406,15 +406,11 @@ bool CairoGraphicsDeviceContext::drawPolygon (const PointList& polygonPointList,
+ 	vstgui_assert (polygonPointList.empty () == false);
+ 	impl->doInContext ([&] () {
+ 		bool doPixelAlign = impl->state.drawMode.integralMode ();
+-		auto last = polygonPointList.back ();
+-		if (doPixelAlign)
+-			last = pixelAlign (impl->state.tm, last);
+-		cairo_move_to (impl->context, last.x, last.y);
+-		for (auto p : polygonPointList)
++		auto first = polygonPointList.front ();
++		cairo_move_to (impl->context, first.x, first.y);
++		for (auto p = polygonPointList.begin () + 1; p != polygonPointList.end (); ++p)
+ 		{
+-			if (doPixelAlign)
+-				p = pixelAlign (impl->state.tm, p);
+-			cairo_line_to (impl->context, p.x, p.y);
++			cairo_line_to (impl->context, (*p).x, (*p).y);
+ 		}
+ 		impl->draw (drawStyle);
+ 	});
+@@ -448,15 +444,17 @@ bool CairoGraphicsDeviceContext::drawRect (CRect rect, PlatformGraphicsDrawStyle
+ 	return true;
+ }
+ 
+-//------------------------------------------------------------------------
++//------------------------------cairo_restore (------------------------------------------
+ bool CairoGraphicsDeviceContext::drawArc (CRect rect, double startAngle1, double endAngle2,
+ 										  PlatformGraphicsDrawStyle drawStyle) const
+ {
+ 	impl->doInContext ([&] () {
++		cairo_save (impl->context);
+ 		CPoint center = rect.getCenter ();
+ 		cairo_translate (impl->context, center.x, center.y);
+-		cairo_scale (impl->context, 2.0 / rect.getWidth (), 2.0 / rect.getHeight ());
+-		cairo_arc (impl->context, 0, 0, 1, startAngle1, endAngle2);
++		cairo_scale (impl->context, rect.getWidth () /2.0 , rect.getHeight () / 2.0);
++		cairo_arc (impl->context, 0, 0, 1, startAngle1 / 180.0 * M_PI, endAngle2 / 180.0 * M_PI);
++		cairo_restore (impl->context);
+ 		impl->draw (drawStyle);
+ 	});
+ 	return true;
+@@ -468,7 +466,7 @@ bool CairoGraphicsDeviceContext::drawEllipse (CRect rect, PlatformGraphicsDrawSt
+ 	impl->doInContext ([&] () {
+ 		CPoint center = rect.getCenter ();
+ 		cairo_translate (impl->context, center.x, center.y);
+-		cairo_scale (impl->context, 2.0 / rect.getWidth (), 2.0 / rect.getHeight ());
++		cairo_scale (impl->context, rect.getWidth () / 2.0, rect.getHeight () / 2.0);
+ 		cairo_arc (impl->context, 0, 0, 1, 0, 2 * M_PI);
+ 		impl->draw (drawStyle);
+ 	});