Switched to 'convert' to handle double to decimal edge case.

Author: Oren (electricessence)

Open.Serialization.Json.Newtonsoft/Converters/JsonDecimalConverter.cs

@@ -1,4 +1,5 @@
 using Newtonsoft.Json;
+using System;
 
 namespace Open.Serialization.Json.Newtonsoft.Converters
 {
@@ -19,6 +20,9 @@ public static string Normalize(string decimalString)
 			=> decimalString?.IndexOf('.') == -1 ? decimalString
 				: decimalString?.TrimEnd('0').TrimEnd('.');
 
+		public override decimal ReadJson(JsonReader reader, Type objectType, decimal existingValue, bool hasExistingValue, JsonSerializer serializer)
+			=> Convert.ToDecimal(reader.Value);
+
 		public override void WriteJson(JsonWriter writer, decimal value, JsonSerializer serializer)
 			=> writer.WriteRawValue(Normalize(value));			
 	}

Open.Serialization.Json.Newtonsoft/Converters/JsonDecimalRoundingConverter.cs

@@ -14,7 +14,7 @@ public JsonDecimalRoundingConverter(int maximum)
 		}
 
 		public override decimal ReadJson(JsonReader reader, Type objectType, decimal existingValue, bool hasExistingValue, JsonSerializer serializer)
-			=> Math.Round(Convert.ToDecimal(reader.Value), Maximum);
+			=> Math.Round(base.ReadJson(reader, objectType, existingValue, hasExistingValue, serializer), Maximum);
 
 		public override void WriteJson(JsonWriter writer, decimal value, JsonSerializer serializer)
 			=> base.WriteJson(writer, Math.Round(value, Maximum), serializer);

Open.Serialization.Json.Newtonsoft/Converters/JsonNullableDecimalConverter.cs

@@ -17,7 +17,7 @@ public static readonly JsonNullableDecimalConverter Instance
 			=> reader.TokenType switch
 			{
 				JsonToken.Null => default,
-				JsonToken.Float => (decimal)reader.Value,
+				JsonToken.Float => Convert.ToDecimal(reader.Value),
 				_ => throw new JsonException("Unexpected token type."),
 			};
 

Open.Serialization.Json.Newtonsoft/Open.Serialization.Json.Newtonsoft.csproj

@@ -17,7 +17,7 @@ Part of the "Open" set of libraries.
 		<RepositoryUrl>https://github.com/electricessence/Open.Serialization</RepositoryUrl>
 		<RepositoryType>git</RepositoryType>
 		<PackageTags>serialization json newtonsoft</PackageTags>
-		<Version>1.2.4</Version>
+		<Version>1.2.5</Version>
 	</PropertyGroup>
 
 	<ItemGroup>