ForwardedTypesSerializationBinder Class

public sealed class ForwardedTypesSerializationBinder : SerializationBinder, 
	ISerializationBinder

// If SafeMode is true you must declare every type name that can occur in the serialization stream;
// otherwise, just the ones with changed identity. 
var binder = new ForwardedTypesSerializationBinder { SafeMode = true };

// MyType will be able to be deserialized if the assembly name in the
// serialization stream matches any of the enlisted ones.
binder.AddType(typeof(MyType),
    new AssemblyName("MyOldAssembly, Version=1.0.0.0"),
    new AssemblyName("MyOldAssembly, Version=1.2.0.0"),
    new AssemblyName("MyNewAssembly, Version=1.5.0.0"),
    new AssemblyName("MyNewAssembly, Version=2.0.0.0"));

// MyOtherType will be able to be deserialized if it was serialized by any versions of MyAssembly.
binder.AddType(typeof(MyOtherType), new AssemblyName("MyAssembly"));

// Any type of any assembly will be mapped to SomeOtherType if their full names match.
binder.AddType(typeof(SomeOtherType));

// Multiple types can be enlisted without assembly identity
binder.AddTypes(typeof(MyType), typeof(MyOtherType), typeof(SomeOtherType));

IFormatter formatter = new BinarySerializationFormatter { Binder = binder }; // or BinaryFormatter
object result = formatter.Deserialize(serializationStream);

// Setting the WriteLegacyIdentity allows to use arbitrary custom indenity on serialization.
var binder = new ForwardedTypesSerializationBinder { WriteLegacyIdentity = true };

// When serializing a MyType instance, it will be saved with the firstly specified identity
binder.AddType(typeof(MyType),
    new AssemblyName("MyOldAssembly, Version=1.0.0.0"),
    new AssemblyName("MyOldAssembly, Version=1.2.0.0"),
    new AssemblyName("MyNewAssembly, Version=1.5.0.0"),
    new AssemblyName("MyNewAssembly, Version=2.0.0.0"));

// If WriteLegacyIdentity is true, types with TypeForwardedFromAttribute will be automatically written
// with their old identity stored in the TypeForwardedFromAttribute.AssemblyFullName property.
// List<T> has a TypeForwardedFromAttribute in .NET Core and Standard so it will be serialized with
// mscorlib assembly identity in every platform:
var obj = new List<MyType> { new MyType() };

IFormatter formatter = new BinaryFormatter { Binder = binder }; // or BinarySerializationFormatter
formatter.Serialize(serializationStream, obj);