Adjusted custom serializers to have specific type selector

src/ExtendedXmlSerializer/ExtensionModel/Defaults.cs

@@ -12,5 +12,8 @@ static class Defaults
 			= new CompositeTypeComparer(ImplementedTypeComparer.Default,
 			                            TypeIdentityComparer.Default,
 			                            InheritedTypeComparer.Default);
+
+		public static ITypeComparer SpecificTypeComparer { get; } 
+			= new CompositeTypeComparer(TypeIdentityComparer.Default, InheritedTypeComparer.Default);
 	}
 }

src/ExtendedXmlSerializer/ExtensionModel/Xml/CustomSerializers.cs

@@ -5,7 +5,7 @@ namespace ExtendedXmlSerializer.ExtensionModel.Xml
 {
 	sealed class CustomSerializers : Metadata<TypeInfo, ContentModel.ISerializer>, ICustomSerializers
 	{
-		public CustomSerializers() : this(ExtensionModel.Defaults.TypeComparer) {}
+		public CustomSerializers() : this(ExtensionModel.Defaults.SpecificTypeComparer) {}
 
 		public CustomSerializers(IEqualityComparer<TypeInfo> comparer) : base(comparer) {}
 	}

src/ExtendedXmlSerializer/ExtensionModel/Xml/CustomXmlSerializers.cs

@@ -4,6 +4,6 @@ namespace ExtendedXmlSerializer.ExtensionModel.Xml
 {
 	sealed class CustomXmlSerializers : Metadata<TypeInfo, IExtendedXmlCustomSerializer>, ICustomXmlSerializers
 	{
-		public CustomXmlSerializers() : base(ReflectionModel.Defaults.TypeComparer) {}
+		public CustomXmlSerializers() : base(ExtensionModel.Defaults.SpecificTypeComparer) {}
 	}
 }

src/ExtendedXmlSerializer/ExtensionModel/Xml/MemberCustomSerializers.cs

@@ -5,6 +5,6 @@ namespace ExtendedXmlSerializer.ExtensionModel.Xml
 {
 	sealed class MemberCustomSerializers : Metadata<MemberInfo, ContentModel.ISerializer>, ICustomMemberSerializers
 	{
-		public MemberCustomSerializers() : base(MemberComparer.Default) {}
+		public MemberCustomSerializers() : base(new MemberComparer(ExtensionModel.Defaults.SpecificTypeComparer)) {}
 	}
 }

test/ExtendedXmlSerializer.Tests.ReportedIssues/Issue657Tests.cs

@@ -0,0 +1,58 @@
+using ExtendedXmlSerializer.Configuration;
+using ExtendedXmlSerializer.ContentModel;
+using ExtendedXmlSerializer.ContentModel.Format;
+using ExtendedXmlSerializer.Tests.ReportedIssues.Support;
+using FluentAssertions;
+using System.Collections.Generic;
+using System.Xml.Serialization;
+using Xunit;
+
+namespace ExtendedXmlSerializer.Tests.ReportedIssues;
+
+public sealed class Issue657Tests
+{
+	[Fact]
+	public void Verify()
+	{
+		var subject = new ConfigurationContainer()
+		       .EnableImplicitTyping(typeof(ClsItem), typeof(ClsArray))
+		       .Type<ClsItem>().Register().Serializer().Using(new ClsItemSerializer()) //.CustomSerializer(new ClsItemSerializer())
+		       .Create().ForTesting();
+		var content =
+			@"<?xml version=""1.0"" encoding=""utf-8""?><main xmlns=""clr-namespace:ExtendedXmlSerializer.Tests.ReportedIssues;assembly=ExtendedXmlSerializer.Tests.ReportedIssues""><Capacity>4</Capacity><array><Capacity>4</Capacity><item><Dataname>tank</Dataname></item></array></main>";
+		var instance = new ClsRoot() { new ClsArray() { new ClsItem(){ Dataname = "tank" } } };
+		subject.Deserialize<ClsRoot>(content).Should().BeEquivalentTo(instance);
+
+	}
+
+
+	public interface IDataElement
+	{
+		string Dataname { get; set; }
+	}
+
+	[XmlRoot("main")]
+	public class ClsRoot : List<IDataElement>
+	{
+
+	}
+	[XmlType("array")]
+	public class ClsArray : List<ClsItem>, IDataElement
+	{
+		public string Dataname { get ; set; }
+	}
+	[XmlType("item")]
+	public class ClsItem : IDataElement
+	{
+		public string Dataname { get; set; }
+	}
+
+
+	class ClsItemSerializer : ISerializer<ClsItem>
+	{
+		public ClsItem Get(IFormatReader parameter) => new();
+
+		public void Write(IFormatWriter writer, ClsItem instance) {}
+	}
+}
+