useDefaults parameter is ignored in deriveDecoder

[chikei]

import io.circe.Json
case class Foo(value: Json = Json.obj())
io.circe.derivation.deriveDecoder[Foo]((i: String) => i, false, None).decodeJson(Json.obj())

results Left(DecodingFailure(Attempt to decode value on failed cursor, List(DownField(value)))) in 0.13.0-M1 and before,
results Right(Foo(JObject(object[]))) in 0.13.0-M2 and after.