diff --git a/cfg/gtk.cfg b/cfg/gtk.cfg
index cb3a46be5..b61c1b8fe 100644
--- a/cfg/gtk.cfg
+++ b/cfg/gtk.cfg
@@ -553,6 +553,7 @@
     <alloc init="true">g_uri_unescape_segment</alloc>
     <alloc init="true">g_uri_unescape_string</alloc>
     <alloc init="true">g_variant_type_dup_string</alloc>
+    <alloc init="true">g_value_dup_string</alloc>
     <use>g_register_data</use>
     <dealloc>g_free</dealloc>
   </memory>
@@ -1799,6 +1800,295 @@
     <leak-ignore/>
     <noreturn>false</noreturn>
   </function>
+  <!-- void g_value_copy (const GValue *src_value, GValue *dest_value); -->
+  <function name="g_value_copy">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="out">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gchar * g_value_dup_string (const GValue *value); -->
+  <function name="g_value_dup_string">
+    <noreturn>false</noreturn>
+    <returnValue type="gchar *"/>
+    <use-retval/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gboolean g_value_get_boolean (const GValue *value); -->
+  <function name="g_value_get_boolean">
+    <noreturn>false</noreturn>
+    <returnValue type="gboolean"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gdouble g_value_get_double (const GValue *value); -->
+  <function name="g_value_get_double">
+    <noreturn>false</noreturn>
+    <returnValue type="gdouble"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gint g_value_get_int (const GValue *value); -->
+  <function name="g_value_get_int">
+    <noreturn>false</noreturn>
+    <returnValue type="gint"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gpointer g_value_get_object (const GValue *value); -->
+  <function name="g_value_get_object">
+    <noreturn>false</noreturn>
+    <returnValue type="gpointer"/>
+    <use-retval/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- gpointer g_value_get_pointer (const GValue *value); -->
+  <function name="g_value_get_pointer">
+    <noreturn>false</noreturn>
+    <returnValue type="gpointer"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- const gchar * g_value_get_string (const GValue *value); -->
+  <function name="g_value_get_string">
+    <noreturn>false</noreturn>
+    <returnValue type="const gchar *"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- guint g_value_get_uint (const GValue *value); -->
+  <function name="g_value_get_uint">
+    <noreturn>false</noreturn>
+    <returnValue type="guint"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- guint64 g_value_get_uint64 (const GValue *value); -->
+  <function name="g_value_get_uint64">
+    <noreturn>false</noreturn>
+    <returnValue type="guint64"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- GValue * g_value_init (GValue *value, GType g_type); -->
+  <function name="g_value_init">
+    <noreturn>false</noreturn>
+    <returnValue type="GValue *">arg1</returnValue>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void g_value_set_boolean (GValue *value, gboolean v_boolean); -->
+  <function name="g_value_set_boolean">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void g_value_set_double (GValue *value, gdouble v_double); -->
+  <function name="g_value_set_double">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_int (GValue *value, gint v_int); -->
+  <function name="g_value_set_int">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void g_value_set_object (GValue *value, gpointer v_object); -->
+  <function name="g_value_set_object">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_object_take_ownership (GValue *value, gpointer v_object); -->
+  <function name="g_value_set_object_take_ownership">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <warn severity="style" reason="Obsolete" alternatives="g_value_take_object">g_value_set_object_take_ownership has been deprecated since version 2.4 and should not be used in newly-written code. Use g_value_take_object() instead.</warn>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_pointer (GValue *value, gpointer v_pointer); -->
+  <function name="g_value_set_pointer">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_static_string (GValue *value, const gchar *v_string); -->
+  <!-- void g_value_set_string (GValue *value, const gchar *v_string); -->
+  <function name="g_value_set_static_string,g_value_set_string">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_string_take_ownership (GValue *value, gchar *v_string); -->
+  <function name="g_value_set_string_take_ownership">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <warn severity="style" reason="Obsolete" alternatives="g_value_take_string">g_value_set_string_take_ownership has been deprecated since version 2.4 and should not be used in newly-written code. Use g_value_take_string() instead.</warn>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_set_uint (GValue *value, guint v_uint); -->
+  <function name="g_value_set_uint">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_take_object (GValue *value, gpointer v_object); -->
+  <function name="g_value_take_object">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_take_string (GValue *value, gchar *v_string); -->
+  <function name="g_value_take_string">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_value_unset (GValue *value); -->
+  <function name="g_value_unset">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="out">
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
   <function name="g_variant_is_object_path">
     <leak-ignore/>
     <noreturn>false</noreturn>
@@ -1823,6 +2113,15 @@
     <leak-ignore/>
     <noreturn>false</noreturn>
   </function>
+  <!-- void g_variant_unref (GVariant *value); -->
+  <function name="g_variant_unref">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
   <function name="g_access">
     <leak-ignore/>
     <noreturn>false</noreturn>