@@ -113,6 +113,7 @@ Instead, `PyIterable` does that.
 -   Unicode strings with surrogates were truncated when converting from Python
 -   `Reload` mode now supports generic methods (previously Python would stop seeing them after reload)
 -   Temporarily fixed issue resolving method overload when method signature has `out` parameters ([#1672](i1672))
+-   Decimal default parameters are now correctly taken into account
 
 ### Removed
 
 
@@ -1072,11 +1072,7 @@ static internal class ParameterInfoExtensions
     {
         public static object? GetDefaultValue(this ParameterInfo parameterInfo)
         {
-            // parameterInfo.HasDefaultValue is preferable but doesn't exist in .NET 4.0
-            bool hasDefaultValue = (parameterInfo.Attributes & ParameterAttributes.HasDefault) ==
-                ParameterAttributes.HasDefault;
-
-            if (hasDefaultValue)
+            if (parameterInfo.HasDefaultValue)
             {
                 return parameterInfo.DefaultValue;
             }
 
@@ -5,6 +5,7 @@
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
     <AssemblyOriginatorKeyFile>..\pythonnet.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
+    <NoWarn>IDE0051;IDE0060</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\runtime\Python.Runtime.csproj" />
 
@@ -258,6 +258,11 @@ public static int TestSingleDefaultParam(int i = 5)
             return i;
         }
 
+        public static decimal TestDecimalDefaultParam(decimal n = 1m)
+        {
+            return n;
+        }
+
         public static int TestTwoDefaultParam(int i = 5, int j = 6)
         {
             return i + j;
 
@@ -441,6 +441,12 @@ def test_single_default_param():
     assert result == 5
 
 
+def test_decimal_default_param():
+    """Test that decimal default parameters work."""
+    result = MethodTest.TestDecimalDefaultParam()
+    assert result == System.Decimal(1)
+
+
 def test_one_arg_and_two_default_param():
     """Test void method with single ref-parameter."""
     result = MethodTest.TestOneArgAndTwoDefaultParam(11)
Original file line number	Diff line number	Diff line change
@@ -1072,11 +1072,7 @@ static internal class ParameterInfoExtensions
1072	1072	{
1073	1073	public static object? GetDefaultValue(this ParameterInfo parameterInfo)
1074	1074	{
1075		- // parameterInfo.HasDefaultValue is preferable but doesn't exist in .NET 4.0
1076		- bool hasDefaultValue = (parameterInfo.Attributes & ParameterAttributes.HasDefault) ==
1077		- ParameterAttributes.HasDefault;
1078		-
1079		- if (hasDefaultValue)
	1075	+ if (parameterInfo.HasDefaultValue)
1080	1076	{
1081	1077	return parameterInfo.DefaultValue;
1082	1078	}
Original file line number	Diff line number	Diff line change
@@ -258,6 +258,11 @@ public static int TestSingleDefaultParam(int i = 5)
258	258	return i;
259	259	}
260	260
	261	+ public static decimal TestDecimalDefaultParam(decimal n = 1m)
	262	+ {
	263	+ return n;
	264	+ }
	265	+
261	266	public static int TestTwoDefaultParam(int i = 5, int j = 6)
262	267	{
263	268	return i + j;