diff --git a/po/POTFILES.inx.in b/po/POTFILES.inx.in
index 01fea50a009f227583efb41a7410eb33031b08c0..c850c9fdd6b5f7bca5cbfbb38284f8c8c4d7ccaa 100644
--- a/po/POTFILES.inx.in
+++ b/po/POTFILES.inx.in
@@ -1,5 +1,6 @@
 ../share/extensions/addnodes.inx
 ../share/extensions/aisvg.inx
+../share/extensions/cgm_input.inx
 ../share/extensions/color_blackandwhite.inx
 ../share/extensions/color_brighter.inx
 ../share/extensions/color_custom.inx
@@ -89,6 +90,7 @@
 ../share/extensions/next_glyph_layer.inx
 ../share/extensions/nicechart.inx
 ../share/extensions/other/clipart/import_web_image.inx
+../share/extensions/other/extension-afdesign/inkaf.inx
 ../share/extensions/other/extension-xaml/inkxaml/svg2xaml.inx
 ../share/extensions/other/extension-xaml/inkxaml/xaml2svg.inx
 ../share/extensions/other/gcodetools/gcodetools_about.inx
diff --git a/share/extensions b/share/extensions
index d3ef8eae3e1c9635fff8d6286801ae779950a7c4..13ebc1e957573fea2c3360f676b0f1680fad395d 160000
--- a/share/extensions
+++ b/share/extensions
@@ -1 +1 @@
-Subproject commit d3ef8eae3e1c9635fff8d6286801ae779950a7c4
+Subproject commit 13ebc1e957573fea2c3360f676b0f1680fad395d
diff --git a/src/extension/prefdialog/parameter-color.cpp b/src/extension/prefdialog/parameter-color.cpp
index 86d06e0ea7c14b6810e045cbd0fd622f467f131b..ddefdcbc73b4d33bad396e8a212c8b3c7a857e12 100644
--- a/src/extension/prefdialog/parameter-color.cpp
+++ b/src/extension/prefdialog/parameter-color.cpp
@@ -114,4 +114,16 @@ void ParamColor::_onColorButtonChanged()
     set(Colors::Color(to_guint32(_color_button->get_rgba())));
 }
 
+std::string ParamColor::value_to_string() const
+{
+    return get().toString(true);
+}
+
+void ParamColor::string_to_value(const std::string &in)
+{
+    // Parse color. If parsing fails, return black.
+    static const auto black = Colors::Color(0, false);
+    set(Colors::Color::parse(in).value_or(black));
+}
+
 } // namespace Inkscape::Extension
diff --git a/src/extension/prefdialog/parameter-color.h b/src/extension/prefdialog/parameter-color.h
index 2b94301574d1549b6f0a943759022be270ede381..b9124e2979309124a95b5740dfe8b319ffbc2e2f 100644
--- a/src/extension/prefdialog/parameter-color.h
+++ b/src/extension/prefdialog/parameter-color.h
@@ -48,6 +48,9 @@ public:
 
     std::unique_ptr<sigc::signal<void ()>> _changeSignal;
 
+    std::string value_to_string() const override;
+    void string_to_value(const std::string &in) override;
+
 private:
     void _onColorChanged();
     void _onColorButtonChanged();