diff --git a/proto/v1/fds/protobuf/stach/MetadataItem.proto b/proto/v1/fds/protobuf/stach/MetadataItem.proto
index ee4f5c4..3d9fedc 100644
--- a/proto/v1/fds/protobuf/stach/MetadataItem.proto
+++ b/proto/v1/fds/protobuf/stach/MetadataItem.proto
@@ -9,6 +9,7 @@ import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 
 import "fds/protobuf/stach/table/Reference.proto";
+import "fds/protobuf/stach/table/Wrappers.proto";
 
 message MetadataItem {
   reserved 104, 105, 200;
@@ -24,7 +25,16 @@ message MetadataItem {
 	  string string_value = 107;
 	  google.protobuf.Duration duration_value = 108;
 	  google.protobuf.Timestamp timestamp_value = 109;
+
+	  factset.protobuf.stach.table.DoubleArray double_array = 150;
+	  factset.protobuf.stach.table.FloatArray float_array = 151;
+	  factset.protobuf.stach.table.Int32Array int32_array = 152;
+	  factset.protobuf.stach.table.Int64Array int64_array = 153;
+	  factset.protobuf.stach.table.BoolArray bool_array = 156;
+	  factset.protobuf.stach.table.StringArray string_array = 157;
+	  factset.protobuf.stach.table.DurationArray duration_array = 158;
+	  factset.protobuf.stach.table.TimestampArray timestamp_array = 159;
       
 	  factset.protobuf.stach.table.Reference ref_value = 201;
   }
-}
\ No newline at end of file
+}
diff --git a/proto/v1/fds/protobuf/stach/table/SeriesDefinition.proto b/proto/v1/fds/protobuf/stach/table/SeriesDefinition.proto
index 9d0669b..f5b7341 100644
--- a/proto/v1/fds/protobuf/stach/table/SeriesDefinition.proto
+++ b/proto/v1/fds/protobuf/stach/table/SeriesDefinition.proto
@@ -9,9 +9,6 @@ import "fds/protobuf/stach/table/DataType.proto";
 import "fds/protobuf/stach/table/SeriesFormat.proto";
 
 message SeriesDefinition {
-  reserved 10;
-  reserved "header_index";
-
   string id = 1;
   string name = 2;
   string description = 3;
@@ -21,5 +18,6 @@ message SeriesDefinition {
   string next_sibling_id = 7;
   string parent_id = 8;
   string header_id = 9;
+  int32 header_index = 10 [deprecated = true];
   SeriesFormat format = 11;
 }
\ No newline at end of file