diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 221c7297..d371758a 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -170,6 +170,11 @@ jobs:
         ref: v${{ matrix.wxWidgets }}
         submodules: 'recursive'
 
+    - name: Prepare package repos
+      if: matrix.wxw_type == 'embed'
+      run: |
+        sudo apt-get update
+
     - name: Set up build environment
       if: matrix.wxw_type != 'embed'
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ebdefc4b..66b045a5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -347,6 +347,11 @@ jobs:
           ref: v${{ matrix.wxWidgets }}
           submodules: 'recursive'
 
+      - name: Prepare package repos
+        if: ${{ matrix.os == 'ubuntu-22.04' && matrix.wxw_type == 'embed' }}
+        run: |
+          sudo apt-get update
+
       - name: Set up build environment
         if: ${{ matrix.build && matrix.wxw_type != 'embed' }}
         run: |
diff --git a/rakelib/lib/director/graphics_object.rb b/rakelib/lib/director/graphics_object.rb
index 0930ec80..c2db082e 100644
--- a/rakelib/lib/director/graphics_object.rb
+++ b/rakelib/lib/director/graphics_object.rb
@@ -14,15 +14,26 @@ class GraphicsObject < Director
 
       def setup
         super
-        spec.items.concat %w[wxGraphicsPen wxGraphicsBrush wxGraphicsPath wxGraphicsFont wxGraphicsMatrix wxGraphicsBitmap]
+        spec.items.concat %w[wxGraphicsPen wxGraphicsBrush wxGraphicsPath wxGraphicsFont wxGraphicsMatrix wxGraphicsBitmap wxGraphicsRenderer]
         spec.disable_proxies
-        spec.ignore 'wxGraphicsObject::GetRenderer'
         spec.ignore 'wxGraphicsMatrix::Concat(const wxGraphicsMatrix &)'
         spec.ignore 'wxGraphicsMatrix::IsEqual(const wxGraphicsMatrix &)'
         spec.ignore 'wxGraphicsMatrix::GetNativeMatrix'
         spec.ignore 'wxGraphicsBitmap::GetNativeBitmap'
         spec.ignore 'wxGraphicsPath::GetNativePath',
                     'wxGraphicsPath::UnGetNativePath'
+        spec.ignore 'wxGraphicsRenderer::CreateContextFromNativeHDC',
+                    'wxGraphicsRenderer::CreateBitmapFromNativeBitmap',
+                    'wxGraphicsRenderer::CreateContextFromNativeContext',
+                    'wxGraphicsRenderer::CreateContextFromNativeWindow',
+                    'wxGraphicsRenderer::CreateContext(const wxEnhMetaFileDC&)'
+        unless Config.instance.features_set?('USE_CAIRO')
+          spec.ignore 'wxGraphicsRenderer::GetCairoRenderer'
+        end
+        unless Config.instance.features_set?('WXMSW')
+          spec.ignore 'wxGraphicsRenderer::GetGDIPlusRenderer',
+                      'wxGraphicsRenderer::GetDirect2DRenderer'
+        end
         # Deal with GraphicsMatrix#get method
         spec.map_apply 'double *OUTPUT' => [ 'wxDouble *a', 'wxDouble *b',
                                              'wxDouble *c', 'wxDouble *d',
@@ -30,6 +41,8 @@ def setup
         spec.ignore 'wxGraphicsPath::GetBox() const',
                     'wxGraphicsPath::GetCurrentPoint(wxDouble*,wxDouble*) const'
         spec.map_apply 'double * OUTPUT' => 'wxDouble *'
+        # wxGraphicsRenderer::GetVersion
+        spec.map_apply 'int * OUTPUT' => ['int *major', 'int *minor', 'int *micro']
         if Config.platform == :mingw
           # it seems for WXMSW there is a problem cleaning up GraphicsObjects in GC after
           # the wxApp has ended (probably because some other wxWidgets cleanup already
diff --git a/rakelib/lib/extractor/function.rb b/rakelib/lib/extractor/function.rb
index 9b72814b..5bc9326f 100644
--- a/rakelib/lib/extractor/function.rb
+++ b/rakelib/lib/extractor/function.rb
@@ -293,7 +293,7 @@ def extract(element)
         @is_static = element['static'] == 'yes'
         @is_virtual = %w[virtual pure-virtual].include?(element['virt'])
         @is_pure_virtual = (element['virt'] == 'pure-virtual')
-        @args_string.sub!(/\s*=0/, '') if @is_pure_virtual
+        @args_string.sub!(/\)(\s*const)?\s*=0/, ')\1') if @is_pure_virtual
         @is_override = !!element.at_xpath('reimplements')
         @is_const = (element['const'] == 'yes')
         @is_ctor = (@name == @class_name)