diff --git a/conformance/binary_json_conformance_suite.cc b/conformance/binary_json_conformance_suite.cc
index 8e2ff862e..a2855e95e 100644
--- a/conformance/binary_json_conformance_suite.cc
+++ b/conformance/binary_json_conformance_suite.cc
@@ -371,12 +371,21 @@ void BinaryAndJsonConformanceSuite::RunValidProtobufTest(
 void BinaryAndJsonConformanceSuite::RunValidBinaryProtobufTest(
     const string& test_name, ConformanceLevel level,
     const string& input_protobuf, bool is_proto3) {
+  RunValidBinaryProtobufTest(
+      test_name, level, input_protobuf, input_protobuf, is_proto3);
+}
+
+void BinaryAndJsonConformanceSuite::RunValidBinaryProtobufTest(
+    const string& test_name, ConformanceLevel level,
+    const string& input_protobuf,
+    const string& expected_protobuf,
+    bool is_proto3) {
   std::unique_ptr<Message> prototype = NewTestMessage(is_proto3);
   ConformanceRequestSetting setting(
       level, conformance::PROTOBUF, conformance::PROTOBUF,
       conformance::BINARY_TEST,
       *prototype, test_name, input_protobuf);
-  RunValidBinaryInputTest(setting, input_protobuf);
+  RunValidBinaryInputTest(setting, expected_protobuf, true);
 }
 
 void BinaryAndJsonConformanceSuite::RunValidProtobufTestWithMessage(
@@ -590,34 +599,107 @@ void BinaryAndJsonConformanceSuite::TestValidDataForType(
     const FieldDescriptor* field = GetFieldForType(type, false, is_proto3);
     const FieldDescriptor* rep_field = GetFieldForType(type, true, is_proto3);
 
+    // Test singular data for singular fields.
     for (size_t i = 0; i < values.size(); i++) {
+      string proto =
+          cat(tag(field->number(), wire_type), values[i].first);
+      string expected_proto =
+          cat(tag(field->number(), wire_type), values[i].second);
+      std::unique_ptr<Message> test_message = NewTestMessage(is_proto3);
+      test_message->MergeFromString(expected_proto);
+      string text = test_message->DebugString();
+
       RunValidProtobufTest(StrCat("ValidDataScalar", type_name, "[", i, "]"),
-                           REQUIRED,
-                           cat(tag(field->number(), wire_type), values[0].first),
-                           field->name() + ": " + values[0].second, is_proto3);
+                           REQUIRED, proto, text, is_proto3);
     }
 
-    string proto;
-    string text = field->name() + ": " + values.back().second;
-    for (size_t i = 0; i < values.size(); i++) {
-      proto += cat(tag(field->number(), wire_type), values[i].first);
-    }
+    // Test repeated data for singular fields.
     // For scalar message fields, repeated values are merged, which is tested
     // separately.
     if (type != FieldDescriptor::TYPE_MESSAGE) {
+      string proto;
+      for (size_t i = 0; i < values.size(); i++) {
+        proto += cat(tag(field->number(), wire_type), values[i].first);
+      }
+      string expected_proto =
+          cat(tag(field->number(), wire_type), values.back().second);
+      std::unique_ptr<Message> test_message = NewTestMessage(is_proto3);
+      test_message->MergeFromString(expected_proto);
+      string text = test_message->DebugString();
+
       RunValidProtobufTest("RepeatedScalarSelectsLast" + type_name, REQUIRED,
                            proto, text, is_proto3);
     }
 
-    proto.clear();
-    text.clear();
+    // Test repeated fields.
+    if (FieldDescriptor::IsTypePackable(type)) {
+      string packed_proto;
+      string unpacked_proto;
+      string packed_proto_expected;
+      string unpacked_proto_expected;
 
-    for (size_t i = 0; i < values.size(); i++) {
-      proto += cat(tag(rep_field->number(), wire_type), values[i].first);
-      text += rep_field->name() + ": " + values[i].second + " ";
+      for (size_t i = 0; i < values.size(); i++) {
+        unpacked_proto +=
+            cat(tag(rep_field->number(), wire_type), values[i].first);
+        unpacked_proto_expected +=
+            cat(tag(rep_field->number(), wire_type), values[i].second);
+        packed_proto += values[i].first;
+        packed_proto_expected += values[i].second;
+      }
+      packed_proto =
+          cat(tag(rep_field->number(),
+                  WireFormatLite::WIRETYPE_LENGTH_DELIMITED),
+              delim(packed_proto));
+      packed_proto_expected =
+          cat(tag(rep_field->number(),
+                  WireFormatLite::WIRETYPE_LENGTH_DELIMITED),
+              delim(packed_proto_expected));
+
+      std::unique_ptr<Message> test_message = NewTestMessage(is_proto3);
+      test_message->MergeFromString(packed_proto_expected);
+      string text = test_message->DebugString();
+
+      // Ensures both packed and unpacked data can be parsed.
+      RunValidProtobufTest(
+          StrCat("ValidDataRepeated", type_name, ".UnpackedInput"),
+          REQUIRED, unpacked_proto, text, is_proto3);
+      RunValidProtobufTest(
+          StrCat("ValidDataRepeated", type_name, ".PackedInput"),
+          REQUIRED, packed_proto, text, is_proto3);
+
+      // proto2 should encode as unpacked by default and proto3 should encode as
+      // packed by default.
+      string expected_proto =
+          rep_field->is_packed() ? packed_proto_expected :
+                                   unpacked_proto_expected;
+      RunValidBinaryProtobufTest(
+          StrCat("ValidDataRepeated", type_name,
+                 ".UnpackedInput.DefaultOutput"),
+          RECOMMENDED,
+          unpacked_proto,
+          expected_proto, is_proto3);
+      RunValidBinaryProtobufTest(
+          StrCat("ValidDataRepeated", type_name,
+                 ".PackedInput.DefaultOutput"),
+          RECOMMENDED,
+          packed_proto,
+          expected_proto, is_proto3);
+    } else {
+      string proto;
+      string expected_proto;
+      for (size_t i = 0; i < values.size(); i++) {
+        proto += cat(tag(rep_field->number(), wire_type), values[i].first);
+        expected_proto +=
+            cat(tag(rep_field->number(), wire_type), values[i].second);
+      }
+      std::unique_ptr<Message> test_message = NewTestMessage(is_proto3);
+      test_message->MergeFromString(expected_proto);
+      string text = test_message->DebugString();
+
+      RunValidProtobufTest(
+          StrCat("ValidDataRepeated", type_name),
+          REQUIRED, proto, text, is_proto3);
     }
-    RunValidProtobufTest("ValidDataRepeated" + type_name, REQUIRED,
-                         proto, text, is_proto3);
   }
 }
 
@@ -759,107 +841,105 @@ void BinaryAndJsonConformanceSuite::RunSuiteImpl() {
   uint32 kUint32Max = 4294967295UL;
 
   TestValidDataForType(FieldDescriptor::TYPE_DOUBLE, {
-    {dbl(0.1), "0.1"},
-    {dbl(1.7976931348623157e+308), "1.7976931348623157e+308"},
-    {dbl(2.22507385850720138309e-308), "2.22507385850720138309e-308"}
+    {dbl(0.1), dbl(0.1)},
+    {dbl(1.7976931348623157e+308), dbl(1.7976931348623157e+308)},
+    {dbl(2.22507385850720138309e-308), dbl(2.22507385850720138309e-308)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_FLOAT, {
-    {flt(0.1), "0.1"},
-    {flt(1.00000075e-36), "1.00000075e-36"},
-    {flt(3.402823e+38), "3.402823e+38"},  // 3.40282347e+38
-    {flt(1.17549435e-38f), "1.17549435e-38"}
+    {flt(0.1), flt(0.1)},
+    {flt(1.00000075e-36), flt(1.00000075e-36)},
+    {flt(3.402823e+38), flt(3.402823e+38)},  // 3.40282347e+38
+    {flt(1.17549435e-38f), flt(1.17549435e-38)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_INT64, {
-    {varint(12345), "12345"},
-    {varint(kInt64Max), std::to_string(kInt64Max)},
-    {varint(kInt64Min), std::to_string(kInt64Min)}
+    {varint(12345), varint(12345)},
+    {varint(kInt64Max), varint(kInt64Max)},
+    {varint(kInt64Min), varint(kInt64Min)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_UINT64, {
-    {varint(12345), "12345"},
-    {varint(kUint64Max), std::to_string(kUint64Max)},
-    {varint(0), "0"}
+    {varint(12345), varint(12345)},
+    {varint(kUint64Max), varint(kUint64Max)},
+    {varint(0), varint(0)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_INT32, {
-    {varint(12345), "12345"},
-    {longvarint(12345, 2), "12345"},
-    {longvarint(12345, 7), "12345"},
-    {varint(kInt32Max), std::to_string(kInt32Max)},
-    {varint(kInt32Min), std::to_string(kInt32Min)},
-    {varint(1LL << 33), std::to_string(static_cast<int32>(1LL << 33))},
-    {varint((1LL << 33) - 1),
-     std::to_string(static_cast<int32>((1LL << 33) - 1))},
+    {varint(12345), varint(12345)},
+    {longvarint(12345, 2), varint(12345)},
+    {longvarint(12345, 7), varint(12345)},
+    {varint(kInt32Max), varint(kInt32Max)},
+    {varint(kInt32Min), varint(kInt32Min)},
+    {varint(1LL << 33), varint(0)},
+    {varint((1LL << 33) - 1), varint(-1)},
   });
   TestValidDataForType(FieldDescriptor::TYPE_UINT32, {
-    {varint(12345), "12345"},
-    {longvarint(12345, 2), "12345"},
-    {longvarint(12345, 7), "12345"},
-    {varint(kUint32Max), std::to_string(kUint32Max)},  // UINT32_MAX
-    {varint(0), "0"},
-    {varint(1LL << 33), std::to_string(static_cast<uint32>(1LL << 33))},
-    {varint((1LL << 33) - 1),
-     std::to_string(static_cast<uint32>((1LL << 33) - 1))},
+    {varint(12345), varint(12345)},
+    {longvarint(12345, 2), varint(12345)},
+    {longvarint(12345, 7), varint(12345)},
+    {varint(kUint32Max), varint(kUint32Max)},  // UINT32_MAX
+    {varint(0), varint(0)},
+    {varint(1LL << 33), varint(0)},
+    {varint((1LL << 33) - 1), varint((1LL << 32) - 1)},
   });
   TestValidDataForType(FieldDescriptor::TYPE_FIXED64, {
-    {u64(12345), "12345"},
-    {u64(kUint64Max), std::to_string(kUint64Max)},
-    {u64(0), "0"}
+    {u64(12345), u64(12345)},
+    {u64(kUint64Max), u64(kUint64Max)},
+    {u64(0), u64(0)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_FIXED32, {
-    {u32(12345), "12345"},
-    {u32(kUint32Max), std::to_string(kUint32Max)},  // UINT32_MAX
-    {u32(0), "0"}
+    {u32(12345), u32(12345)},
+    {u32(kUint32Max), u32(kUint32Max)},  // UINT32_MAX
+    {u32(0), u32(0)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_SFIXED64, {
-    {u64(12345), "12345"},
-    {u64(kInt64Max), std::to_string(kInt64Max)},
-    {u64(kInt64Min), std::to_string(kInt64Min)}
+    {u64(12345), u64(12345)},
+    {u64(kInt64Max), u64(kInt64Max)},
+    {u64(kInt64Min), u64(kInt64Min)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_SFIXED32, {
-    {u32(12345), "12345"},
-    {u32(kInt32Max), std::to_string(kInt32Max)},
-    {u32(kInt32Min), std::to_string(kInt32Min)}
+    {u32(12345), u32(12345)},
+    {u32(kInt32Max), u32(kInt32Max)},
+    {u32(kInt32Min), u32(kInt32Min)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_BOOL, {
-    {varint(1), "true"},
-    {varint(0), "false"},
-    {varint(12345678), "true"}
+    {varint(1), varint(1)},
+    {varint(0), varint(0)},
+    {varint(12345678), varint(1)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_SINT32, {
-    {zz32(12345), "12345"},
-    {zz32(kInt32Max), std::to_string(kInt32Max)},
-    {zz32(kInt32Min), std::to_string(kInt32Min)}
+    {zz32(12345), zz32(12345)},
+    {zz32(kInt32Max), zz32(kInt32Max)},
+    {zz32(kInt32Min), zz32(kInt32Min)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_SINT64, {
-    {zz64(12345), "12345"},
-    {zz64(kInt64Max), std::to_string(kInt64Max)},
-    {zz64(kInt64Min), std::to_string(kInt64Min)}
+    {zz64(12345), zz64(12345)},
+    {zz64(kInt64Max), zz64(kInt64Max)},
+    {zz64(kInt64Min), zz64(kInt64Min)}
   });
   TestValidDataForType(FieldDescriptor::TYPE_STRING, {
-    {delim("Hello world!"), "\"Hello world!\""},
+    {delim("Hello world!"), delim("Hello world!")},
     {delim("\'\"\?\\\a\b\f\n\r\t\v"),
-          "\"\x27\\\"\x3F\\\\\x07\x08\x0C\\n\x0D\x09\x0B\""},  // escape
-    {delim("谷歌"), "\"谷歌\""},  // Google in Chinese
-    {delim("\u8C37\u6B4C"), "\"谷歌\""},  // unicode escape
-    {delim("\u8c37\u6b4c"), "\"谷歌\""},  // lowercase unicode
-    {delim("\xF0\x9F\x98\x81"), "\"\xF0\x9F\x98\x81\""},  // emoji: 😁
-    {delim(""), "\"\""},
+     delim("\'\"\?\\\a\b\f\n\r\t\v")},  // escape
+    {delim("谷歌"), delim("谷歌")},  // Google in Chinese
+    {delim("\u8C37\u6B4C"), delim("谷歌")},  // unicode escape
+    {delim("\u8c37\u6b4c"), delim("谷歌")},  // lowercase unicode
+    {delim("\xF0\x9F\x98\x81"), delim("\xF0\x9F\x98\x81")},  // emoji: 😁
+    {delim(""), delim("")},
   });
   TestValidDataForType(FieldDescriptor::TYPE_BYTES, {
-    {delim("\x01\x02"), "\"\x01\x02\""},
-    {delim("\xfb"), "\"\xfb\""},
-    {delim(""), "\"\""},
+    {delim("\x01\x02"), delim("\x01\x02")},
+    {delim("\xfb"), delim("\xfb")},
+    {delim(""), delim("")},
   });
   TestValidDataForType(FieldDescriptor::TYPE_ENUM, {
-    {varint(0), "FOO"},
-    {varint(1), "BAR"},
-    {varint(2), "BAZ"},
-    {varint(-1), "NEG"},
+    {varint(0), varint(0)},
+    {varint(1), varint(1)},
+    {varint(2), varint(2)},
+    {varint(-1), varint(-1)},
   });
   TestValidDataForRepeatedScalarMessage();
   TestValidDataForType(FieldDescriptor::TYPE_MESSAGE, {
     {delim(cat(tag(1, WireFormatLite::WIRETYPE_VARINT), varint(1234))),
-     "{a: 1234}"},
-    {delim(""), "{}"},
+     delim(cat(tag(1, WireFormatLite::WIRETYPE_VARINT), varint(1234)))},
+    {delim(""), delim("")},
   });
 
   // TODO(haberman):
diff --git a/conformance/binary_json_conformance_suite.h b/conformance/binary_json_conformance_suite.h
index e74c956e9..a689a9c57 100644
--- a/conformance/binary_json_conformance_suite.h
+++ b/conformance/binary_json_conformance_suite.h
@@ -63,6 +63,11 @@ class BinaryAndJsonConformanceSuite : public ConformanceTestSuite {
                                   ConformanceLevel level,
                                   const string& input_protobuf,
                                   bool is_proto3);
+  void RunValidBinaryProtobufTest(const string& test_name,
+                                  ConformanceLevel level,
+                                  const string& input_protobuf,
+                                  const string& expected_protobuf,
+                                  bool is_proto3);
   void RunValidProtobufTestWithMessage(
       const string& test_name, ConformanceLevel level,
       const Message *input,
diff --git a/conformance/conformance_test.cc b/conformance/conformance_test.cc
index 6325b354a..0ad929aad 100644
--- a/conformance/conformance_test.cc
+++ b/conformance/conformance_test.cc
@@ -54,6 +54,25 @@ using google::protobuf::util::MessageDifferencer;
 using google::protobuf::util::Status;
 using std::string;
 
+namespace {
+
+static string ToOctString(const string& binary_string) {
+  string oct_string;
+  for (size_t i = 0; i < binary_string.size(); i++) {
+    uint8_t c = binary_string.at(i);
+    uint8_t high = c / 64;
+    uint8_t mid = (c % 64) / 8;
+    uint8_t low = c % 8;
+    oct_string.push_back('\\');
+    oct_string.push_back('0' + high);
+    oct_string.push_back('0' + mid);
+    oct_string.push_back('0' + low);
+  }
+  return oct_string;
+}
+
+}
+
 namespace google {
 namespace protobuf {
 
@@ -220,18 +239,21 @@ void ConformanceTestSuite::RunValidInputTest(
 
 void ConformanceTestSuite::RunValidBinaryInputTest(
     const ConformanceRequestSetting& setting,
-    const string& equivalent_wire_format) {
+    const string& equivalent_wire_format,
+    bool require_same_wire_format) {
   const ConformanceRequest& request = setting.GetRequest();
   ConformanceResponse response;
   RunTest(setting.GetTestName(), request, &response);
-  VerifyResponse(setting, equivalent_wire_format, response, true);
+  VerifyResponse(setting, equivalent_wire_format, response,
+                 true, require_same_wire_format);
 }
 
 void ConformanceTestSuite::VerifyResponse(
     const ConformanceRequestSetting& setting,
     const string& equivalent_wire_format,
     const ConformanceResponse& response,
-    bool need_report_success) {
+    bool need_report_success,
+    bool require_same_wire_format) {
   Message* test_message = setting.GetTestMessage();
   const ConformanceRequest& request = setting.GetRequest();
   const string& test_name = setting.GetTestName();
@@ -270,8 +292,19 @@ void ConformanceTestSuite::VerifyResponse(
   string differences;
   differencer.ReportDifferencesToString(&differences);
 
-  bool check;
-  check = differencer.Compare(*reference_message, *test_message);
+  bool check = false;
+
+  if (require_same_wire_format) {
+    GOOGLE_DCHECK_EQ(response.result_case(),
+                    ConformanceResponse::kProtobufPayload);
+    const string& protobuf_payload =  response.protobuf_payload();
+    check = equivalent_wire_format == protobuf_payload;
+    differences = StrCat("Expect: ", ToOctString(equivalent_wire_format),
+                         ", but got: ", ToOctString(protobuf_payload));
+  } else {
+    check = differencer.Compare(*reference_message, *test_message);
+  }
+
   if (check) {
     if (need_report_success) {
       ReportSuccess(test_name);
diff --git a/conformance/conformance_test.h b/conformance/conformance_test.h
index 4d741e7f1..2f42d83e1 100644
--- a/conformance/conformance_test.h
+++ b/conformance/conformance_test.h
@@ -261,7 +261,8 @@ class ConformanceTestSuite {
       const ConformanceRequestSetting& setting,
       const string& equivalent_wire_format,
       const conformance::ConformanceResponse& response,
-      bool need_report_success);
+      bool need_report_success,
+      bool require_same_wire_format);
 
   void ReportSuccess(const std::string& test_name);
   void ReportFailure(const string& test_name,
@@ -276,7 +277,8 @@ class ConformanceTestSuite {
   void RunValidInputTest(const ConformanceRequestSetting& setting,
                          const string& equivalent_text_format);
   void RunValidBinaryInputTest(const ConformanceRequestSetting& setting,
-                               const string& equivalent_wire_format);
+                               const string& equivalent_wire_format,
+                               bool require_same_wire_format = false);
 
   void RunTest(const std::string& test_name,
                const conformance::ConformanceRequest& request,
diff --git a/conformance/failure_list_js.txt b/conformance/failure_list_js.txt
index 28e16943c..f4a72fcd9 100644
--- a/conformance/failure_list_js.txt
+++ b/conformance/failure_list_js.txt
@@ -1,15 +1,57 @@
-Required.Proto3.ProtobufInput.ValidDataRepeated.BOOL.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.INT32.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.INT64.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.SINT32.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.SINT64.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.UINT32.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.UINT64.ProtobufOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.ENUM.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.INT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.INT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.INT32.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.INT64.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.ProtobufOutput
+Required.Proto2.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.ProtobufOutput
 Required.Proto3.ProtobufInput.RepeatedScalarMessageMerge.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.ProtobufOutput
diff --git a/conformance/failure_list_objc.txt b/conformance/failure_list_objc.txt
index e34501ead..e2d83bd72 100644
--- a/conformance/failure_list_objc.txt
+++ b/conformance/failure_list_objc.txt
@@ -1,2 +1,6 @@
 # JSON input or output tests are skipped (in conformance_objc.m) as mobile
 # platforms don't support JSON wire format to avoid code bloat.
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto2.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
diff --git a/conformance/failure_list_php.txt b/conformance/failure_list_php.txt
index f7ed13734..f34648953 100644
--- a/conformance/failure_list_php.txt
+++ b/conformance/failure_list_php.txt
@@ -4,19 +4,49 @@ Recommended.FieldMaskTooManyUnderscore.JsonOutput
 Recommended.Proto3.JsonInput.BytesFieldBase64Url.JsonOutput
 Recommended.Proto3.JsonInput.BytesFieldBase64Url.ProtobufOutput
 Recommended.Proto3.JsonInput.FieldMaskInvalidCharacter
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Required.Proto3.JsonInput.DoubleFieldTooSmall
 Required.Proto3.JsonInput.FloatFieldTooLarge
 Required.Proto3.JsonInput.FloatFieldTooSmall
-Required.Proto3.JsonInput.DoubleFieldTooSmall
+Required.Proto3.JsonInput.Int32FieldLeadingSpace
 Required.Proto3.JsonInput.Int32FieldNotInteger
 Required.Proto3.JsonInput.Int64FieldNotInteger
+Required.Proto3.JsonInput.OneofFieldDuplicate
 Required.Proto3.JsonInput.RepeatedFieldWrongElementTypeExpectingStringsGotInt
 Required.Proto3.JsonInput.RepeatedListValue.JsonOutput
 Required.Proto3.JsonInput.RepeatedListValue.ProtobufOutput
 Required.Proto3.JsonInput.StringFieldNotAString
 Required.Proto3.JsonInput.Uint32FieldNotInteger
 Required.Proto3.JsonInput.Uint64FieldNotInteger
-Required.Proto3.JsonInput.Int32FieldLeadingSpace
-Required.Proto3.JsonInput.OneofFieldDuplicate
-Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.JsonOutput
 Required.Proto3.ProtobufInput.RepeatedScalarMessageMerge.JsonOutput
 Required.Proto3.ProtobufInput.RepeatedScalarMessageMerge.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataScalar.FLOAT[1].JsonOutput
diff --git a/conformance/failure_list_php_c.txt b/conformance/failure_list_php_c.txt
index f436365a1..2d79d1b70 100644
--- a/conformance/failure_list_php_c.txt
+++ b/conformance/failure_list_php_c.txt
@@ -17,10 +17,36 @@ Recommended.Proto3.JsonInput.StringFieldUnpairedLowSurrogate
 Recommended.Proto3.JsonInput.TimestampHas3FractionalDigits.Validator
 Recommended.Proto3.JsonInput.TimestampHas6FractionalDigits.Validator
 Recommended.Proto3.ProtobufInput.OneofZeroBytes.JsonOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
 Required.DurationProtoInputTooLarge.JsonOutput
 Required.DurationProtoInputTooSmall.JsonOutput
-Required.TimestampProtoInputTooLarge.JsonOutput
-Required.TimestampProtoInputTooSmall.JsonOutput
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.JsonOutput
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.ProtobufOutput
 Required.Proto3.JsonInput.DoubleFieldMinPositiveValue.JsonOutput
@@ -34,15 +60,19 @@ Required.Proto3.JsonInput.FloatFieldNegativeInfinity.JsonOutput
 Required.Proto3.JsonInput.OneofFieldDuplicate
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.JsonOutput
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.ProtobufOutput
+Required.Proto3.JsonInput.RejectTopLevelNull
 Required.Proto3.JsonInput.StringFieldSurrogatePair.JsonOutput
 Required.Proto3.JsonInput.StringFieldSurrogatePair.ProtobufOutput
 Required.Proto3.ProtobufInput.DoubleFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.DoubleFieldNormalizeSignalingNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeSignalingNan.JsonOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.JsonOutput
-Required.Proto3.JsonInput.RejectTopLevelNull
-Required.Proto3.ProtobufInput.ValidDataRepeated.STRING.JsonOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.STRING.ProtobufOutput
 Required.Proto3.ProtobufInput.ValidDataRepeated.BYTES.JsonOutput
 Required.Proto3.ProtobufInput.ValidDataRepeated.BYTES.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.STRING.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.STRING.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataScalar.FLOAT[1].JsonOutput
+Required.TimestampProtoInputTooLarge.JsonOutput
+Required.TimestampProtoInputTooSmall.JsonOutput
diff --git a/conformance/failure_list_ruby.txt b/conformance/failure_list_ruby.txt
index fc6455d8e..63dcde515 100644
--- a/conformance/failure_list_ruby.txt
+++ b/conformance/failure_list_ruby.txt
@@ -15,6 +15,34 @@ Recommended.Proto3.JsonInput.StringFieldUnpairedHighSurrogate
 Recommended.Proto3.JsonInput.StringFieldUnpairedLowSurrogate
 Recommended.Proto3.JsonInput.TimestampHas3FractionalDigits.Validator
 Recommended.Proto3.JsonInput.TimestampHas6FractionalDigits.Validator
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
 Required.DurationProtoInputTooLarge.JsonOutput
 Required.DurationProtoInputTooSmall.JsonOutput
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.JsonOutput
@@ -27,6 +55,12 @@ Required.Proto3.JsonInput.DurationRepeatedValue.JsonOutput
 Required.Proto3.JsonInput.FloatFieldInfinity.JsonOutput
 Required.Proto3.JsonInput.FloatFieldNan.JsonOutput
 Required.Proto3.JsonInput.FloatFieldNegativeInfinity.JsonOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonFalse.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonNull.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonNumber.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonObject.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonString.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonTrue.ProtobufOutput
 Required.Proto3.JsonInput.OneofFieldDuplicate
 Required.Proto3.JsonInput.OptionalBoolWrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalBytesWrapper.JsonOutput
@@ -39,6 +73,7 @@ Required.Proto3.JsonInput.OptionalUint32Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalUint64Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.JsonOutput
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.ProtobufOutput
+Required.Proto3.JsonInput.RejectTopLevelNull
 Required.Proto3.JsonInput.RepeatedBoolWrapper.JsonOutput
 Required.Proto3.JsonInput.RepeatedBytesWrapper.JsonOutput
 Required.Proto3.JsonInput.RepeatedDoubleWrapper.JsonOutput
@@ -54,13 +89,8 @@ Required.Proto3.ProtobufInput.DoubleFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.DoubleFieldNormalizeSignalingNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeSignalingNan.JsonOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataScalar.FLOAT[1].JsonOutput
 Required.TimestampProtoInputTooLarge.JsonOutput
 Required.TimestampProtoInputTooSmall.JsonOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonFalse.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonNull.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonNumber.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonObject.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonString.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonTrue.ProtobufOutput
-Required.Proto3.JsonInput.RejectTopLevelNull
diff --git a/conformance/failure_list_ruby_mac.txt b/conformance/failure_list_ruby_mac.txt
index 153b0a201..63dcde515 100644
--- a/conformance/failure_list_ruby_mac.txt
+++ b/conformance/failure_list_ruby_mac.txt
@@ -5,6 +5,7 @@ Recommended.Proto3.JsonInput.BytesFieldBase64Url.JsonOutput
 Recommended.Proto3.JsonInput.BytesFieldBase64Url.ProtobufOutput
 Recommended.Proto3.JsonInput.DurationHas3FractionalDigits.Validator
 Recommended.Proto3.JsonInput.DurationHas6FractionalDigits.Validator
+Recommended.Proto3.JsonInput.FieldMaskInvalidCharacter
 Recommended.Proto3.JsonInput.MapFieldValueIsNull
 Recommended.Proto3.JsonInput.RepeatedFieldMessageElementIsNull
 Recommended.Proto3.JsonInput.RepeatedFieldPrimitiveElementIsNull
@@ -14,6 +15,34 @@ Recommended.Proto3.JsonInput.StringFieldUnpairedHighSurrogate
 Recommended.Proto3.JsonInput.StringFieldUnpairedLowSurrogate
 Recommended.Proto3.JsonInput.TimestampHas3FractionalDigits.Validator
 Recommended.Proto3.JsonInput.TimestampHas6FractionalDigits.Validator
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.BOOL.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.DOUBLE.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.ENUM.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.INT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SFIXED64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.SINT64.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT32.UnpackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOutput.ProtobufOutput
+Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
 Required.DurationProtoInputTooLarge.JsonOutput
 Required.DurationProtoInputTooSmall.JsonOutput
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.JsonOutput
@@ -26,6 +55,12 @@ Required.Proto3.JsonInput.DurationRepeatedValue.JsonOutput
 Required.Proto3.JsonInput.FloatFieldInfinity.JsonOutput
 Required.Proto3.JsonInput.FloatFieldNan.JsonOutput
 Required.Proto3.JsonInput.FloatFieldNegativeInfinity.JsonOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonFalse.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonNull.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonNumber.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonObject.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonString.ProtobufOutput
+Required.Proto3.JsonInput.IgnoreUnknownJsonTrue.ProtobufOutput
 Required.Proto3.JsonInput.OneofFieldDuplicate
 Required.Proto3.JsonInput.OptionalBoolWrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalBytesWrapper.JsonOutput
@@ -38,6 +73,7 @@ Required.Proto3.JsonInput.OptionalUint32Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalUint64Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.JsonOutput
 Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.ProtobufOutput
+Required.Proto3.JsonInput.RejectTopLevelNull
 Required.Proto3.JsonInput.RepeatedBoolWrapper.JsonOutput
 Required.Proto3.JsonInput.RepeatedBytesWrapper.JsonOutput
 Required.Proto3.JsonInput.RepeatedDoubleWrapper.JsonOutput
@@ -53,14 +89,8 @@ Required.Proto3.ProtobufInput.DoubleFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.DoubleFieldNormalizeSignalingNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeQuietNan.JsonOutput
 Required.Proto3.ProtobufInput.FloatFieldNormalizeSignalingNan.JsonOutput
-Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataScalar.FLOAT[1].JsonOutput
 Required.TimestampProtoInputTooLarge.JsonOutput
 Required.TimestampProtoInputTooSmall.JsonOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonFalse.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonNull.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonNumber.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonObject.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonString.ProtobufOutput
-Required.Proto3.JsonInput.IgnoreUnknownJsonTrue.ProtobufOutput
-Recommended.Proto3.JsonInput.FieldMaskInvalidCharacter
-Required.Proto3.JsonInput.RejectTopLevelNull