diff --git a/common-protos/istio.io/extensions/istio_feature.pb.go b/common-protos/istio.io/extensions/istio_feature.pb.go
new file mode 100644
index 00000000000..dadf85de5d2
--- /dev/null
+++ b/common-protos/istio.io/extensions/istio_feature.pb.go
@@ -0,0 +1,517 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: istio.io/extensions/istio_feature.proto
+
+package extensions
+
+import (
+	fmt "fmt"
+	proto "github.com/gogo/protobuf/proto"
+	descriptor "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type FeatureStatus int32
+
+const (
+	FeatureStatus_ALPHA        FeatureStatus = 0
+	FeatureStatus_BETA         FeatureStatus = 1
+	FeatureStatus_STABLE       FeatureStatus = 2
+	FeatureStatus_EXPERIMENTAL FeatureStatus = 3
+)
+
+var FeatureStatus_name = map[int32]string{
+	0: "ALPHA",
+	1: "BETA",
+	2: "STABLE",
+	3: "EXPERIMENTAL",
+}
+
+var FeatureStatus_value = map[string]int32{
+	"ALPHA":        0,
+	"BETA":         1,
+	"STABLE":       2,
+	"EXPERIMENTAL": 3,
+}
+
+func (x FeatureStatus) String() string {
+	return proto.EnumName(FeatureStatus_name, int32(x))
+}
+
+func (FeatureStatus) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_8bcfce038daeb906, []int{0}
+}
+
+// These options should be used during schema definition, applying them to some of the fields in protobuf
+// Below are 1 related repo and 1 PR for this repo:
+// Repo: https://github.com/istio/enhancements
+// Repo PR: https://github.com/istio/enhancements/pull/88
+type IstioFeature struct {
+	// Types that are valid to be assigned to XStatus:
+	//	*IstioFeature_Status
+	XStatus isIstioFeature_XStatus `protobuf_oneof:"_status"`
+	// Types that are valid to be assigned to XId:
+	//	*IstioFeature_Id
+	XId                  isIstioFeature_XId `protobuf_oneof:"_id"`
+	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
+	XXX_unrecognized     []byte             `json:"-"`
+	XXX_sizecache        int32              `json:"-"`
+}
+
+func (m *IstioFeature) Reset()         { *m = IstioFeature{} }
+func (m *IstioFeature) String() string { return proto.CompactTextString(m) }
+func (*IstioFeature) ProtoMessage()    {}
+func (*IstioFeature) Descriptor() ([]byte, []int) {
+	return fileDescriptor_8bcfce038daeb906, []int{0}
+}
+func (m *IstioFeature) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *IstioFeature) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_IstioFeature.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *IstioFeature) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_IstioFeature.Merge(m, src)
+}
+func (m *IstioFeature) XXX_Size() int {
+	return m.Size()
+}
+func (m *IstioFeature) XXX_DiscardUnknown() {
+	xxx_messageInfo_IstioFeature.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_IstioFeature proto.InternalMessageInfo
+
+type isIstioFeature_XStatus interface {
+	isIstioFeature_XStatus()
+	MarshalTo([]byte) (int, error)
+	Size() int
+}
+type isIstioFeature_XId interface {
+	isIstioFeature_XId()
+	MarshalTo([]byte) (int, error)
+	Size() int
+}
+
+type IstioFeature_Status struct {
+	Status FeatureStatus `protobuf:"varint,1,opt,name=status,proto3,enum=istio.extensions.FeatureStatus,oneof" json:"status,omitempty"`
+}
+type IstioFeature_Id struct {
+	Id string `protobuf:"bytes,2,opt,name=id,proto3,oneof" json:"id,omitempty"`
+}
+
+func (*IstioFeature_Status) isIstioFeature_XStatus() {}
+func (*IstioFeature_Id) isIstioFeature_XId()         {}
+
+func (m *IstioFeature) GetXStatus() isIstioFeature_XStatus {
+	if m != nil {
+		return m.XStatus
+	}
+	return nil
+}
+func (m *IstioFeature) GetXId() isIstioFeature_XId {
+	if m != nil {
+		return m.XId
+	}
+	return nil
+}
+
+func (m *IstioFeature) GetStatus() FeatureStatus {
+	if x, ok := m.GetXStatus().(*IstioFeature_Status); ok {
+		return x.Status
+	}
+	return FeatureStatus_ALPHA
+}
+
+func (m *IstioFeature) GetId() string {
+	if x, ok := m.GetXId().(*IstioFeature_Id); ok {
+		return x.Id
+	}
+	return ""
+}
+
+// XXX_OneofWrappers is for the internal use of the proto package.
+func (*IstioFeature) XXX_OneofWrappers() []interface{} {
+	return []interface{}{
+		(*IstioFeature_Status)(nil),
+		(*IstioFeature_Id)(nil),
+	}
+}
+
+var E_Feature = &proto.ExtensionDesc{
+	ExtendedType:  (*descriptor.FieldOptions)(nil),
+	ExtensionType: (*IstioFeature)(nil),
+	Field:         1300,
+	Name:          "istio.extensions.feature",
+	Tag:           "bytes,1300,opt,name=feature",
+	Filename:      "istio.io/extensions/istio_feature.proto",
+}
+
+func init() {
+	proto.RegisterEnum("istio.extensions.FeatureStatus", FeatureStatus_name, FeatureStatus_value)
+	proto.RegisterType((*IstioFeature)(nil), "istio.extensions.IstioFeature")
+	proto.RegisterExtension(E_Feature)
+}
+
+func init() {
+	proto.RegisterFile("istio.io/extensions/istio_feature.proto", fileDescriptor_8bcfce038daeb906)
+}
+
+var fileDescriptor_8bcfce038daeb906 = []byte{
+	// 306 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x91, 0xcd, 0x6a, 0xf2, 0x40,
+	0x14, 0x86, 0x3d, 0xf1, 0x53, 0x3f, 0x4f, 0x6d, 0x19, 0xa6, 0x1b, 0x29, 0x34, 0x0d, 0xdd, 0x54,
+	0xba, 0x98, 0x80, 0xdd, 0x95, 0x6e, 0x32, 0x10, 0x51, 0xb0, 0xad, 0x44, 0x17, 0xd2, 0x4d, 0x88,
+	0xcd, 0x28, 0x03, 0xe2, 0x84, 0xcc, 0x04, 0x7a, 0x09, 0x5e, 0x40, 0x2f, 0xaa, 0xcb, 0x5e, 0x42,
+	0xc9, 0x95, 0x14, 0x93, 0xd8, 0xff, 0xed, 0xcc, 0xf3, 0xbe, 0x33, 0xcf, 0x39, 0x78, 0x21, 0xb5,
+	0x91, 0x8a, 0x49, 0xe5, 0x8a, 0x27, 0x23, 0x36, 0x5a, 0xaa, 0x8d, 0x76, 0x8b, 0xb3, 0x70, 0x29,
+	0x22, 0x93, 0xa5, 0x82, 0x25, 0xa9, 0x32, 0x8a, 0x92, 0x12, 0xfc, 0xa4, 0x4e, 0x9c, 0x95, 0x52,
+	0xab, 0xb5, 0x70, 0x8b, 0xfb, 0x45, 0xb6, 0x74, 0x63, 0xa1, 0x1f, 0x53, 0x99, 0x18, 0x95, 0x96,
+	0x99, 0x73, 0x8d, 0x9d, 0xd1, 0x2e, 0x35, 0x28, 0x9b, 0xe8, 0x0d, 0x36, 0xb5, 0x89, 0x4c, 0xa6,
+	0xbb, 0xe0, 0x40, 0xef, 0xa8, 0x7f, 0xc6, 0x7e, 0x96, 0xb2, 0x0a, 0x9d, 0x16, 0xd8, 0xb0, 0x16,
+	0x54, 0x81, 0x2d, 0x00, 0x3d, 0x46, 0x4b, 0xc6, 0x5d, 0xcb, 0x81, 0x5e, 0x7b, 0x08, 0x81, 0x25,
+	0xe3, 0x2d, 0x00, 0x6f, 0x63, 0x2b, 0x2c, 0x11, 0xde, 0xc0, 0x7a, 0x28, 0xe3, 0x4b, 0x8e, 0x87,
+	0xdf, 0x4a, 0x68, 0x1b, 0x1b, 0xde, 0x78, 0x32, 0xf4, 0x48, 0x8d, 0xfe, 0xc7, 0x7f, 0xdc, 0x9f,
+	0x79, 0x04, 0x28, 0x62, 0x73, 0x3a, 0xf3, 0xf8, 0xd8, 0x27, 0x16, 0x25, 0xd8, 0xf1, 0xe7, 0x13,
+	0x3f, 0x18, 0xdd, 0xfa, 0x77, 0x33, 0x6f, 0x4c, 0xea, 0xd7, 0x73, 0x6c, 0x55, 0xf6, 0xf4, 0x94,
+	0x95, 0x9a, 0x6c, 0xaf, 0xc9, 0x06, 0x52, 0xac, 0xe3, 0xfb, 0xc4, 0xec, 0xfe, 0xdb, 0x7d, 0x46,
+	0x07, 0x7a, 0x07, 0x7d, 0xfb, 0xb7, 0xc9, 0x57, 0xf3, 0x60, 0x5f, 0xc7, 0xd9, 0x4b, 0x6e, 0xc3,
+	0x6b, 0x6e, 0xc3, 0x5b, 0x6e, 0xc3, 0x83, 0xf3, 0x31, 0xfd, 0x28, 0x91, 0xee, 0x1f, 0xab, 0x58,
+	0x34, 0x8b, 0x67, 0xaf, 0xde, 0x03, 0x00, 0x00, 0xff, 0xff, 0xaf, 0x1a, 0xf5, 0x7e, 0xa8, 0x01,
+	0x00, 0x00,
+}
+
+func (m *IstioFeature) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *IstioFeature) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *IstioFeature) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.XXX_unrecognized != nil {
+		i -= len(m.XXX_unrecognized)
+		copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	if m.XId != nil {
+		{
+			size := m.XId.Size()
+			i -= size
+			if _, err := m.XId.MarshalTo(dAtA[i:]); err != nil {
+				return 0, err
+			}
+		}
+	}
+	if m.XStatus != nil {
+		{
+			size := m.XStatus.Size()
+			i -= size
+			if _, err := m.XStatus.MarshalTo(dAtA[i:]); err != nil {
+				return 0, err
+			}
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *IstioFeature_Status) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *IstioFeature_Status) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	i = encodeVarintIstioFeature(dAtA, i, uint64(m.Status))
+	i--
+	dAtA[i] = 0x8
+	return len(dAtA) - i, nil
+}
+func (m *IstioFeature_Id) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *IstioFeature_Id) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	i -= len(m.Id)
+	copy(dAtA[i:], m.Id)
+	i = encodeVarintIstioFeature(dAtA, i, uint64(len(m.Id)))
+	i--
+	dAtA[i] = 0x12
+	return len(dAtA) - i, nil
+}
+func encodeVarintIstioFeature(dAtA []byte, offset int, v uint64) int {
+	offset -= sovIstioFeature(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *IstioFeature) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.XStatus != nil {
+		n += m.XStatus.Size()
+	}
+	if m.XId != nil {
+		n += m.XId.Size()
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *IstioFeature_Status) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	n += 1 + sovIstioFeature(uint64(m.Status))
+	return n
+}
+func (m *IstioFeature_Id) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Id)
+	n += 1 + l + sovIstioFeature(uint64(l))
+	return n
+}
+
+func sovIstioFeature(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozIstioFeature(x uint64) (n int) {
+	return sovIstioFeature(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *IstioFeature) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowIstioFeature
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: IstioFeature: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: IstioFeature: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Status", wireType)
+			}
+			var v FeatureStatus
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowIstioFeature
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= FeatureStatus(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.XStatus = &IstioFeature_Status{v}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Id", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowIstioFeature
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthIstioFeature
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthIstioFeature
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XId = &IstioFeature_Id{string(dAtA[iNdEx:postIndex])}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipIstioFeature(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthIstioFeature
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipIstioFeature(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowIstioFeature
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowIstioFeature
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowIstioFeature
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthIstioFeature
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupIstioFeature
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthIstioFeature
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthIstioFeature        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowIstioFeature          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupIstioFeature = fmt.Errorf("proto: unexpected end of group")
+)
diff --git a/common-protos/istio.io/extensions/istio_feature.pb.html b/common-protos/istio.io/extensions/istio_feature.pb.html
new file mode 100644
index 00000000000..30a20238091
--- /dev/null
+++ b/common-protos/istio.io/extensions/istio_feature.pb.html
@@ -0,0 +1,83 @@
+---
+title: istio.extensions
+layout: protoc-gen-docs
+generator: protoc-gen-docs
+number_of_entries: 2
+---
+<h2 id="IstioFeature">IstioFeature</h2>
+<section>
+<p>These options should be used during schema definition, applying them to some of the fields in protobuf
+Below are 1 related repo and 1 PR for this repo:
+Repo: https://github.com/istio/enhancements
+Repo PR: https://github.com/istio/enhancements/pull/88</p>
+
+<table class="message-fields">
+<thead>
+<tr>
+<th>Field</th>
+<th>Type</th>
+<th>Description</th>
+<th>Required</th>
+</tr>
+</thead>
+<tbody>
+<tr id="IstioFeature-status" class="oneof oneof-start">
+<td><code>status</code></td>
+<td><code><a href="#FeatureStatus">FeatureStatus (oneof)</a></code></td>
+<td>
+<p>label the feature&rsquo;s status, available status values may be alpha, beta and stable
+there would be experimental in future.</p>
+
+</td>
+<td>
+No
+</td>
+</tr>
+<tr id="IstioFeature-id" class="oneof oneof-start">
+<td><code>id</code></td>
+<td><code>string (oneof)</code></td>
+<td>
+<p>id means the feature id which can be mapped here: https://github.com/istio/enhancements/blob/master/features.yaml
+it should be contained in id section of features under this yaml file.</p>
+
+</td>
+<td>
+No
+</td>
+</tr>
+</tbody>
+</table>
+</section>
+<h2 id="FeatureStatus">FeatureStatus</h2>
+<section>
+<table class="enum-values">
+<thead>
+<tr>
+<th>Name</th>
+<th>Description</th>
+</tr>
+</thead>
+<tbody>
+<tr id="FeatureStatus-ALPHA">
+<td><code>ALPHA</code></td>
+<td>
+</td>
+</tr>
+<tr id="FeatureStatus-BETA">
+<td><code>BETA</code></td>
+<td>
+</td>
+</tr>
+<tr id="FeatureStatus-STABLE">
+<td><code>STABLE</code></td>
+<td>
+</td>
+</tr>
+<tr id="FeatureStatus-EXPERIMENTAL">
+<td><code>EXPERIMENTAL</code></td>
+<td>
+</td>
+</tr>
+</tbody>
+</table>
+</section>
diff --git a/common-protos/istio.io/extensions/istio_feature.proto b/common-protos/istio.io/extensions/istio_feature.proto
new file mode 100644
index 00000000000..6becddd4266
--- /dev/null
+++ b/common-protos/istio.io/extensions/istio_feature.proto
@@ -0,0 +1,46 @@
+// Copyright 2019 Istio Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package istio.extensions;
+
+option go_package="istio.io/api/istio.io/extensions";
+
+import "google/protobuf/descriptor.proto";
+
+// Values applied at the field level
+extend google.protobuf.FieldOptions {
+	IstioFeature feature = 1300;
+}
+
+enum FeatureStatus {
+	ALPHA = 0;
+	BETA = 1;
+	STABLE = 2;
+	EXPERIMENTAL = 3;
+}
+
+// These options should be used during schema definition, applying them to some of the fields in protobuf
+// Below are 1 related repo and 1 PR for this repo:
+// Repo: https://github.com/istio/enhancements
+// Repo PR: https://github.com/istio/enhancements/pull/88
+message IstioFeature {
+	// label the feature's status, available status values may be alpha, beta and stable 
+	// there would be experimental in future.
+	optional FeatureStatus status = 1;
+	// id means the feature id which can be mapped here: https://github.com/istio/enhancements/blob/master/features.yaml
+	// it should be contained in id section of features under this yaml file.
+	optional string id = 2;
+}
diff --git a/common-protos/istio.io/extensions/istio_feature_deepcopy.gen.go b/common-protos/istio.io/extensions/istio_feature_deepcopy.gen.go
new file mode 100644
index 00000000000..e7276af2d19
--- /dev/null
+++ b/common-protos/istio.io/extensions/istio_feature_deepcopy.gen.go
@@ -0,0 +1,37 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: istio.io/extensions/istio_feature.proto
+
+package extensions
+
+import (
+	fmt "fmt"
+	proto "github.com/gogo/protobuf/proto"
+	_ "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// DeepCopyInto supports using IstioFeature within kubernetes types, where deepcopy-gen is used.
+func (in *IstioFeature) DeepCopyInto(out *IstioFeature) {
+	p := proto.Clone(in).(*IstioFeature)
+	*out = *p
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IstioFeature. Required by controller-gen.
+func (in *IstioFeature) DeepCopy() *IstioFeature {
+	if in == nil {
+		return nil
+	}
+	out := new(IstioFeature)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInterface is an autogenerated deepcopy function, copying the receiver, creating a new IstioFeature. Required by controller-gen.
+func (in *IstioFeature) DeepCopyInterface() interface{} {
+	return in.DeepCopy()
+}
diff --git a/common-protos/istio.io/extensions/istio_feature_json.gen.go b/common-protos/istio.io/extensions/istio_feature_json.gen.go
new file mode 100644
index 00000000000..9ec548f7bad
--- /dev/null
+++ b/common-protos/istio.io/extensions/istio_feature_json.gen.go
@@ -0,0 +1,34 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: istio.io/extensions/istio_feature.proto
+
+package extensions
+
+import (
+	bytes "bytes"
+	fmt "fmt"
+	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
+	proto "github.com/gogo/protobuf/proto"
+	_ "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// MarshalJSON is a custom marshaler for IstioFeature
+func (this *IstioFeature) MarshalJSON() ([]byte, error) {
+	str, err := IstioFeatureMarshaler.MarshalToString(this)
+	return []byte(str), err
+}
+
+// UnmarshalJSON is a custom unmarshaler for IstioFeature
+func (this *IstioFeature) UnmarshalJSON(b []byte) error {
+	return IstioFeatureUnmarshaler.Unmarshal(bytes.NewReader(b), this)
+}
+
+var (
+	IstioFeatureMarshaler   = &github_com_gogo_protobuf_jsonpb.Marshaler{}
+	IstioFeatureUnmarshaler = &github_com_gogo_protobuf_jsonpb.Unmarshaler{AllowUnknownFields: true}
+)
diff --git a/gen.sh b/gen.sh
index 5a97798eb8f..405e67aa2ab 100755
--- a/gen.sh
+++ b/gen.sh
@@ -41,6 +41,9 @@ buf generate --template buf.gen-noncrd.yaml \
 buf generate --template buf.gen-golang.yaml \
   --path envoy
 
+# Add field option extension for istio feature label
+buf generate --path istio.io/extensions/istio_feature.proto
+
 # Custom hacks to post-process some outputs
 go run ./operator/fixup_structs/main.go -f operator/v1alpha1/operator.pb.go
 go run ./operator/fixup_structs/main.go -f mesh/v1alpha1/config.pb.go
diff --git a/networking/v1alpha3/destination_rule.pb.go b/networking/v1alpha3/destination_rule.pb.go
index cbe1f7752ba..97e39bfa6e3 100644
--- a/networking/v1alpha3/destination_rule.pb.go
+++ b/networking/v1alpha3/destination_rule.pb.go
@@ -149,6 +149,7 @@ import (
 	proto "github.com/gogo/protobuf/proto"
 	types "github.com/gogo/protobuf/types"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -2326,132 +2327,135 @@ func init() {
 }
 
 var fileDescriptor_12899beb695152c8 = []byte{
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+	0x20, 0x34, 0x15, 0x00, 0x00,
 }
 
 func (m *DestinationRule) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1alpha3/destination_rule.proto b/networking/v1alpha3/destination_rule.proto
index caa597c87d9..195d023f295 100644
--- a/networking/v1alpha3/destination_rule.proto
+++ b/networking/v1alpha3/destination_rule.proto
@@ -18,6 +18,7 @@ import "google/protobuf/duration.proto";
 import "google/protobuf/wrappers.proto";
 import "networking/v1alpha3/virtual_service.proto";
 import "gogoproto/gogo.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1alpha3.DestinationRule
 // $title: Destination Rule
@@ -238,7 +239,7 @@ message DestinationRule {
   // The value "." is reserved and defines an export to the same namespace that
   // the destination rule is declared in. Similarly, the value "*" is reserved and
   // defines an export to all namespaces.
-  repeated string export_to = 4;
+  repeated string export_to = 4 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 }
 
 // Traffic policies to apply for a specific destination, across all
diff --git a/networking/v1alpha3/destination_rule_deepcopy.gen.go b/networking/v1alpha3/destination_rule_deepcopy.gen.go
index b7355955bfc..17972c8a578 100644
--- a/networking/v1alpha3/destination_rule_deepcopy.gen.go
+++ b/networking/v1alpha3/destination_rule_deepcopy.gen.go
@@ -148,6 +148,7 @@ import (
 	_ "github.com/gogo/protobuf/gogoproto"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1alpha3/destination_rule_json.gen.go b/networking/v1alpha3/destination_rule_json.gen.go
index 76a08fdb9e3..9b12cd74f9d 100644
--- a/networking/v1alpha3/destination_rule_json.gen.go
+++ b/networking/v1alpha3/destination_rule_json.gen.go
@@ -150,6 +150,7 @@ import (
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1alpha3/service_entry.pb.go b/networking/v1alpha3/service_entry.pb.go
index 0ef5b9f776c..e1abb8332dc 100644
--- a/networking/v1alpha3/service_entry.pb.go
+++ b/networking/v1alpha3/service_entry.pb.go
@@ -754,6 +754,7 @@ import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -1105,38 +1106,41 @@ func init() {
 }
 
 var fileDescriptor_9220e0fa673c4bf8 = []byte{
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+	// 530 bytes of a gzipped FileDescriptorProto
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+	0x00, 0x00,
 }
 
 func (m *ServiceEntry) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1alpha3/service_entry.proto b/networking/v1alpha3/service_entry.proto
index c803dbc34c9..277c9ef8525 100644
--- a/networking/v1alpha3/service_entry.proto
+++ b/networking/v1alpha3/service_entry.proto
@@ -18,6 +18,7 @@ import "google/api/field_behavior.proto";
 import "networking/v1alpha3/gateway.proto";
 import "networking/v1alpha3/sidecar.proto";
 import "networking/v1alpha3/workload_entry.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1alpha3.ServiceEntry
 // $title: Service Entry
@@ -956,7 +957,7 @@ message ServiceEntry {
   // For a Kubernetes Service, the equivalent effect can be achieved by setting
   // the annotation "networking.istio.io/exportTo" to a comma-separated list
   // of namespace names.
-  repeated string export_to = 7;
+  repeated string export_to = 7 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 
   // If specified, the proxy will verify that the server certificate's
   // subject alternate name matches one of the specified values.
diff --git a/networking/v1alpha3/service_entry_deepcopy.gen.go b/networking/v1alpha3/service_entry_deepcopy.gen.go
index 12b81d4f985..91b36fafba9 100644
--- a/networking/v1alpha3/service_entry_deepcopy.gen.go
+++ b/networking/v1alpha3/service_entry_deepcopy.gen.go
@@ -753,6 +753,7 @@ package v1alpha3
 import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1alpha3/service_entry_json.gen.go b/networking/v1alpha3/service_entry_json.gen.go
index 9b1ce51e784..f8fc2ed4e9f 100644
--- a/networking/v1alpha3/service_entry_json.gen.go
+++ b/networking/v1alpha3/service_entry_json.gen.go
@@ -755,6 +755,7 @@ import (
 	fmt "fmt"
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1alpha3/virtual_service.pb.go b/networking/v1alpha3/virtual_service.pb.go
index eae1fea9d10..86a0415dc85 100644
--- a/networking/v1alpha3/virtual_service.pb.go
+++ b/networking/v1alpha3/virtual_service.pb.go
@@ -157,6 +157,7 @@ import (
 	proto "github.com/gogo/protobuf/proto"
 	types "github.com/gogo/protobuf/types"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -3476,139 +3477,142 @@ func init() {
 }
 
 var fileDescriptor_e85a9a4fa9c17a22 = []byte{
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+	0x00,
 }
 
 func (m *VirtualService) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1alpha3/virtual_service.proto b/networking/v1alpha3/virtual_service.proto
index 9d8b3f9028d..b5d480c3cde 100644
--- a/networking/v1alpha3/virtual_service.proto
+++ b/networking/v1alpha3/virtual_service.proto
@@ -17,6 +17,7 @@ syntax = "proto3";
 import "google/api/field_behavior.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/wrappers.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1alpha3.VirtualService
 // $title: Virtual Service
@@ -287,7 +288,7 @@ message VirtualService {
   // The value "." is reserved and defines an export to the same namespace that
   // the virtual service is declared in. Similarly the value "*" is reserved and
   // defines an export to all namespaces.
-  repeated string export_to = 6;
+  repeated string export_to = 6 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 }
 
 // Destination indicates the network addressable service to which the
diff --git a/networking/v1alpha3/virtual_service_deepcopy.gen.go b/networking/v1alpha3/virtual_service_deepcopy.gen.go
index dfca279b6f7..5ffd9a59be6 100644
--- a/networking/v1alpha3/virtual_service_deepcopy.gen.go
+++ b/networking/v1alpha3/virtual_service_deepcopy.gen.go
@@ -155,6 +155,7 @@ import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1alpha3/virtual_service_json.gen.go b/networking/v1alpha3/virtual_service_json.gen.go
index 474f22a8e20..6f9e407433a 100644
--- a/networking/v1alpha3/virtual_service_json.gen.go
+++ b/networking/v1alpha3/virtual_service_json.gen.go
@@ -157,6 +157,7 @@ import (
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/destination_rule.pb.go b/networking/v1beta1/destination_rule.pb.go
index 47657c50fa4..422b5a74155 100644
--- a/networking/v1beta1/destination_rule.pb.go
+++ b/networking/v1beta1/destination_rule.pb.go
@@ -149,6 +149,7 @@ import (
 	proto "github.com/gogo/protobuf/proto"
 	types "github.com/gogo/protobuf/types"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -2325,132 +2326,134 @@ func init() {
 }
 
 var fileDescriptor_31054629b619ca4b = []byte{
-	// 1994 bytes of a gzipped FileDescriptorProto
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+	0x0b, 0x9e, 0xf3, 0xa1, 0x0f, 0xa1, 0x14, 0x7f, 0xdb, 0xbe, 0x60, 0x5c, 0x30, 0x39, 0x8b, 0x7e,
+	0xeb, 0xe0, 0x62, 0xac, 0x68, 0x1b, 0x39, 0xfa, 0x19, 0x2c, 0x53, 0x8f, 0xf4, 0x5d, 0x3a, 0x30,
+	0xa7, 0xef, 0xb2, 0x68, 0xc4, 0xd0, 0xca, 0x9f, 0x52, 0x00, 0x8b, 0x9d, 0xa9, 0x1e, 0xf6, 0x58,
+	0xf0, 0xb1, 0x79, 0xe3, 0xe9, 0x6f, 0xf4, 0x6b, 0x48, 0x4b, 0x6e, 0xf6, 0xd6, 0x7c, 0x57, 0xdf,
+	0x59, 0x5d, 0x1e, 0xbd, 0x59, 0xd3, 0x92, 0x57, 0x1e, 0xc0, 0xb2, 0x19, 0x5e, 0xf5, 0xb6, 0x5c,
+	0x4b, 0xbc, 0x2d, 0x2b, 0x16, 0xe4, 0x63, 0x67, 0x9d, 0xbb, 0xe0, 0x75, 0xb3, 0x60, 0x25, 0x49,
+	0x4b, 0x5e, 0xbb, 0xfb, 0xb7, 0x97, 0x5b, 0xa9, 0xbf, 0xbf, 0xdc, 0x4a, 0xfd, 0xeb, 0xe5, 0x56,
+	0xea, 0xf9, 0x07, 0xf3, 0xdf, 0x80, 0xc4, 0x67, 0xdb, 0x67, 0xff, 0x29, 0xf6, 0x97, 0xb4, 0xbf,
+	0xee, 0xff, 0x2f, 0x00, 0x00, 0xff, 0xff, 0xe7, 0xf5, 0xc6, 0x9b, 0x16, 0x15, 0x00, 0x00,
 }
 
 func (m *DestinationRule) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1beta1/destination_rule.proto b/networking/v1beta1/destination_rule.proto
index c93fc371a8f..d112d848f13 100644
--- a/networking/v1beta1/destination_rule.proto
+++ b/networking/v1beta1/destination_rule.proto
@@ -18,6 +18,7 @@ import "google/protobuf/duration.proto";
 import "google/protobuf/wrappers.proto";
 import "networking/v1beta1/virtual_service.proto";
 import "gogoproto/gogo.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1beta1.DestinationRule
 // $title: Destination Rule
@@ -238,7 +239,7 @@ message DestinationRule {
   // The value "." is reserved and defines an export to the same namespace that
   // the destination rule is declared in. Similarly, the value "*" is reserved and
   // defines an export to all namespaces.
-  repeated string export_to = 4;
+  repeated string export_to = 4 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 }
 
 // Traffic policies to apply for a specific destination, across all
diff --git a/networking/v1beta1/destination_rule_deepcopy.gen.go b/networking/v1beta1/destination_rule_deepcopy.gen.go
index 3f3115a9d3f..697da75ec92 100644
--- a/networking/v1beta1/destination_rule_deepcopy.gen.go
+++ b/networking/v1beta1/destination_rule_deepcopy.gen.go
@@ -148,6 +148,7 @@ import (
 	_ "github.com/gogo/protobuf/gogoproto"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/destination_rule_json.gen.go b/networking/v1beta1/destination_rule_json.gen.go
index 7b2d2eb2db4..f9e59773b7d 100644
--- a/networking/v1beta1/destination_rule_json.gen.go
+++ b/networking/v1beta1/destination_rule_json.gen.go
@@ -150,6 +150,7 @@ import (
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/service_entry.pb.go b/networking/v1beta1/service_entry.pb.go
index 3567f3cd856..430709b4da8 100644
--- a/networking/v1beta1/service_entry.pb.go
+++ b/networking/v1beta1/service_entry.pb.go
@@ -754,6 +754,7 @@ import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -1104,38 +1105,41 @@ func init() {
 }
 
 var fileDescriptor_be685d9fa1e5ca12 = []byte{
-	// 488 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0xdf, 0x8e, 0xd2, 0x40,
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-	0x43, 0x3b, 0xb2, 0xa3, 0xb5, 0x43, 0x66, 0x66, 0xc1, 0x7d, 0x02, 0x5f, 0xcd, 0x4b, 0x1f, 0xc1,
-	0xf0, 0x24, 0xa6, 0x7f, 0xf8, 0x13, 0x5d, 0x74, 0x2f, 0x7b, 0xe6, 0x9c, 0x5f, 0xbf, 0x9e, 0xf9,
-	0x0a, 0x4f, 0x52, 0x22, 0x57, 0x8c, 0x7f, 0xa1, 0xe9, 0xdc, 0x59, 0x76, 0x67, 0x44, 0xe2, 0xae,
-	0x23, 0x08, 0x5f, 0xd2, 0x88, 0x84, 0x24, 0x95, 0xfc, 0xc6, 0x5e, 0x70, 0x26, 0x19, 0x32, 0xa9,
-	0x90, 0x94, 0xd9, 0x3b, 0xb7, 0x5d, 0xba, 0x9b, 0x67, 0x73, 0xc6, 0xe6, 0x09, 0x71, 0xf0, 0x82,
-	0x3a, 0x9f, 0x28, 0x49, 0xe2, 0x70, 0x46, 0xae, 0xf0, 0x92, 0x32, 0x5e, 0x44, 0x9b, 0xd6, 0x2d,
-	0xaf, 0x98, 0x63, 0x49, 0x56, 0xf8, 0xe6, 0x1f, 0x0e, 0x41, 0x63, 0x12, 0xe1, 0x0d, 0xe3, 0xfc,
-	0x16, 0x47, 0xf6, 0x9c, 0x30, 0x1c, 0xef, 0xcf, 0xd9, 0xfe, 0x5e, 0x83, 0x7b, 0x41, 0x31, 0xbf,
-	0x9b, 0xc9, 0xa8, 0x09, 0xb5, 0x2b, 0x26, 0xa4, 0x30, 0x15, 0x4b, 0xed, 0xe8, 0x83, 0xea, 0xba,
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-	0xec, 0x43, 0x15, 0xd8, 0xef, 0x18, 0x97, 0x1b, 0x72, 0x1e, 0x41, 0x6f, 0x40, 0x4b, 0x58, 0x84,
-	0x25, 0x65, 0xa9, 0x59, 0xb5, 0x94, 0xce, 0x83, 0x9e, 0x73, 0x38, 0xbe, 0x3f, 0xaf, 0x7d, 0x59,
-	0xc6, 0xfc, 0x2d, 0x00, 0x4d, 0x01, 0x38, 0x11, 0x2c, 0xb9, 0xce, 0x71, 0xb5, 0x1c, 0xd7, 0xbd,
-	0x23, 0xce, 0xdf, 0x06, 0xcb, 0x01, 0xf7, 0x50, 0xc8, 0x05, 0x9d, 0xa4, 0xf1, 0x82, 0xd1, 0x54,
-	0x0a, 0xb3, 0x9e, 0x7f, 0xe5, 0xf9, 0x61, 0xee, 0xb4, 0xec, 0x3b, 0x07, 0xfb, 0xbb, 0x24, 0x9a,
-	0x42, 0x63, 0x7b, 0x17, 0x82, 0x24, 0x24, 0x92, 0x8c, 0x9b, 0xba, 0xa5, 0x74, 0x4e, 0x7a, 0x17,
-	0xff, 0xc7, 0x05, 0x65, 0xc2, 0x37, 0x56, 0x7f, 0x28, 0xe8, 0x11, 0xe8, 0xe4, 0x5b, 0x56, 0x68,
-	0x28, 0x99, 0x79, 0x9c, 0xdf, 0x8f, 0x56, 0x08, 0x13, 0x86, 0x2e, 0xa0, 0x21, 0xae, 0x67, 0x9f,
-	0x49, 0x24, 0x43, 0x9c, 0xc8, 0x30, 0xc5, 0x5f, 0x89, 0x30, 0xb5, 0xdc, 0x74, 0x5a, 0x1e, 0xf4,
-	0x13, 0xe9, 0x65, 0x72, 0xfb, 0x19, 0x68, 0x9b, 0x5e, 0x51, 0x03, 0xee, 0xbf, 0x75, 0x83, 0xd7,
-	0xa1, 0xfb, 0x61, 0xe2, 0xfa, 0x5e, 0xff, 0xd2, 0x38, 0xda, 0x4a, 0x23, 0xaf, 0x94, 0x94, 0xf6,
-	0x4b, 0x80, 0x5d, 0x75, 0x48, 0x83, 0xaa, 0x37, 0xf6, 0x5c, 0xe3, 0x08, 0x01, 0xd4, 0x83, 0x49,
-	0x7f, 0x32, 0x7a, 0x65, 0x28, 0xe8, 0x18, 0xd4, 0xa1, 0x17, 0x18, 0x15, 0xf4, 0x10, 0x4e, 0x87,
-	0x5e, 0x10, 0xfa, 0xe3, 0xf7, 0xde, 0x30, 0xf4, 0xc7, 0x83, 0x91, 0x67, 0xa8, 0x83, 0xa7, 0x3f,
-	0xd6, 0x2d, 0xe5, 0xe7, 0xba, 0xa5, 0xfc, 0x5a, 0xb7, 0x94, 0x8f, 0x67, 0x45, 0x0f, 0x94, 0xe5,
-	0xff, 0xc9, 0xdf, 0xdb, 0x3c, 0xab, 0xe7, 0xfb, 0xfb, 0xfc, 0x77, 0x00, 0x00, 0x00, 0xff, 0xff,
-	0x75, 0xdd, 0x93, 0xb1, 0x91, 0x03, 0x00, 0x00,
+	// 532 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0x5d, 0x8f, 0xd2, 0x4e,
+	0x14, 0xc6, 0xb7, 0xbc, 0x6d, 0x99, 0xfd, 0xff, 0xa5, 0xcc, 0x26, 0xa6, 0x21, 0x86, 0x25, 0x5c,
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+	0x34, 0x43, 0x7b, 0x60, 0x47, 0x6b, 0x87, 0xcc, 0x0c, 0xb0, 0xfb, 0x69, 0x4c, 0xfc, 0x34, 0x5e,
+	0xfa, 0x11, 0x0c, 0x9f, 0xc4, 0xf4, 0x85, 0x97, 0xe8, 0xa2, 0x5e, 0xf6, 0x99, 0xe7, 0xf9, 0xf5,
+	0xcc, 0x39, 0x73, 0xd0, 0xe3, 0x08, 0xe4, 0x9a, 0xf1, 0x4f, 0x34, 0x9a, 0x9b, 0xab, 0xce, 0x14,
+	0x24, 0xe9, 0x98, 0x02, 0xf8, 0x8a, 0xfa, 0xe0, 0x41, 0x24, 0xf9, 0x9d, 0xb1, 0xe0, 0x4c, 0x32,
+	0xac, 0x53, 0x21, 0x29, 0x33, 0xf6, 0x6e, 0x23, 0x73, 0xd7, 0x2e, 0xe6, 0x8c, 0xcd, 0x43, 0x30,
+	0xc9, 0x82, 0x9a, 0x33, 0x0a, 0x61, 0xe0, 0x4d, 0xe1, 0x86, 0xac, 0x28, 0xe3, 0x69, 0xb4, 0xd6,
+	0xb8, 0xe7, 0x17, 0x73, 0x22, 0x61, 0x4d, 0xee, 0xfe, 0xe0, 0x10, 0x34, 0x00, 0x9f, 0x6c, 0x19,
+	0xad, 0x7b, 0x1c, 0xf1, 0x77, 0xc8, 0x48, 0x70, 0x58, 0x67, 0xad, 0x95, 0xd6, 0x49, 0x99, 0x09,
+	0xb7, 0x12, 0x22, 0x41, 0x59, 0x24, 0xcc, 0x44, 0xf3, 0x66, 0x40, 0xe4, 0x92, 0x43, 0x6a, 0x6c,
+	0x7e, 0x29, 0xa2, 0xff, 0xdc, 0xf4, 0xa2, 0x56, 0x9c, 0xc7, 0x35, 0x54, 0xbc, 0x61, 0x42, 0x0a,
+	0x5d, 0x69, 0xe4, 0xdb, 0xe5, 0x7e, 0x61, 0xd3, 0x53, 0x72, 0x4e, 0x2a, 0xe1, 0x47, 0xa8, 0x4c,
+	0x82, 0x80, 0x83, 0x10, 0x20, 0xf4, 0x5c, 0x7c, 0xee, 0xec, 0x05, 0xfc, 0x0c, 0x15, 0x17, 0x8c,
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+	0x25, 0x27, 0x11, 0xfc, 0x0a, 0xa9, 0x21, 0xf3, 0x89, 0xa4, 0x2c, 0xd2, 0x0b, 0x0d, 0xa5, 0xfd,
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+	0x28, 0x6c, 0xa1, 0x32, 0x44, 0xc1, 0x82, 0xd1, 0x48, 0x0a, 0xbd, 0x94, 0xdc, 0xb2, 0x75, 0x9c,
+	0x3b, 0xc9, 0x06, 0x93, 0x80, 0x9d, 0x7d, 0x12, 0x4f, 0x50, 0x75, 0x37, 0x34, 0x01, 0x21, 0xf8,
+	0x92, 0x71, 0xbd, 0xdc, 0x50, 0xda, 0x67, 0xdd, 0xcb, 0xbf, 0xe3, 0xdc, 0x2c, 0xe1, 0x68, 0xeb,
+	0x5f, 0x14, 0x7c, 0x85, 0xca, 0x70, 0x1b, 0x37, 0xd4, 0x93, 0x4c, 0x3f, 0x4d, 0xe6, 0xf7, 0xf0,
+	0xeb, 0xdb, 0x73, 0x35, 0x87, 0x2b, 0x92, 0x93, 0xd9, 0x8c, 0xfa, 0x86, 0xcf, 0x22, 0xc9, 0x59,
+	0xe8, 0xa8, 0xa9, 0x71, 0xcc, 0xf0, 0x25, 0xaa, 0x8a, 0xe5, 0xf4, 0x23, 0xf8, 0xd2, 0x23, 0xa1,
+	0xf4, 0x22, 0xf2, 0x19, 0x84, 0xae, 0x26, 0xc3, 0xad, 0x64, 0x07, 0xbd, 0x50, 0xda, 0xb1, 0xdc,
+	0x7c, 0x8a, 0xd4, 0x6d, 0xbf, 0x71, 0x15, 0xfd, 0xff, 0xda, 0x72, 0x5f, 0x7a, 0xd6, 0xfb, 0xb1,
+	0xe5, 0xd8, 0xbd, 0x6b, 0xed, 0x64, 0x27, 0x0d, 0xed, 0x4c, 0x52, 0x9a, 0xcf, 0x11, 0xda, 0xb7,
+	0x14, 0xab, 0xa8, 0x60, 0x8f, 0x6c, 0x4b, 0x3b, 0xc1, 0x08, 0x95, 0xdc, 0x71, 0x6f, 0x3c, 0x7c,
+	0xa1, 0x29, 0xf8, 0x14, 0xe5, 0x07, 0xb6, 0xab, 0xe5, 0xf0, 0x39, 0xaa, 0x0c, 0x6c, 0xd7, 0x73,
+	0x46, 0xef, 0xec, 0x81, 0xe7, 0x8c, 0xfa, 0x43, 0x5b, 0xcb, 0xf7, 0x9f, 0x7c, 0xdb, 0xd4, 0x95,
+	0xef, 0x9b, 0xba, 0xf2, 0x63, 0x53, 0x57, 0x3e, 0x5c, 0xec, 0x1e, 0x76, 0xbc, 0x68, 0xbf, 0xaf,
+	0xc3, 0xb4, 0x94, 0xbc, 0xeb, 0xab, 0x9f, 0x01, 0x00, 0x00, 0xff, 0xff, 0xc8, 0x55, 0x03, 0x0b,
+	0xd2, 0x03, 0x00, 0x00,
 }
 
 func (m *ServiceEntry) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1beta1/service_entry.proto b/networking/v1beta1/service_entry.proto
index 32482a7dbe2..e943c5154d1 100644
--- a/networking/v1beta1/service_entry.proto
+++ b/networking/v1beta1/service_entry.proto
@@ -18,6 +18,7 @@ import "google/api/field_behavior.proto";
 import "networking/v1beta1/gateway.proto";
 import "networking/v1beta1/sidecar.proto";
 import "networking/v1beta1/workload_entry.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1beta1.ServiceEntry
 // $title: Service Entry
@@ -956,7 +957,7 @@ message ServiceEntry {
   // For a Kubernetes Service, the equivalent effect can be achieved by setting
   // the annotation "networking.istio.io/exportTo" to a comma-separated list
   // of namespace names.
-  repeated string export_to = 7;
+  repeated string export_to = 7 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 
   // If specified, the proxy will verify that the server certificate's
   // subject alternate name matches one of the specified values.
diff --git a/networking/v1beta1/service_entry_deepcopy.gen.go b/networking/v1beta1/service_entry_deepcopy.gen.go
index 752c817caa8..942b06e8b39 100644
--- a/networking/v1beta1/service_entry_deepcopy.gen.go
+++ b/networking/v1beta1/service_entry_deepcopy.gen.go
@@ -753,6 +753,7 @@ package v1beta1
 import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/service_entry_json.gen.go b/networking/v1beta1/service_entry_json.gen.go
index c94dc9989ce..a179f6d15ad 100644
--- a/networking/v1beta1/service_entry_json.gen.go
+++ b/networking/v1beta1/service_entry_json.gen.go
@@ -755,6 +755,7 @@ import (
 	fmt "fmt"
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/virtual_service.pb.go b/networking/v1beta1/virtual_service.pb.go
index bdfc27889df..5822011b733 100644
--- a/networking/v1beta1/virtual_service.pb.go
+++ b/networking/v1beta1/virtual_service.pb.go
@@ -157,6 +157,7 @@ import (
 	proto "github.com/gogo/protobuf/proto"
 	types "github.com/gogo/protobuf/types"
 	io "io"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 	math_bits "math/bits"
@@ -3475,139 +3476,141 @@ func init() {
 }
 
 var fileDescriptor_8c56a442a0838fd7 = []byte{
-	// 2098 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xc4, 0x59, 0x4f, 0x73, 0x1b, 0x49,
-	0x15, 0xf7, 0xe8, 0xbf, 0x9e, 0x24, 0x5b, 0xee, 0x4d, 0xb2, 0x13, 0x93, 0x4a, 0x1c, 0x85, 0x2c,
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+	0xd3, 0xbd, 0x7a, 0xa6, 0x35, 0x9b, 0x5a, 0x4f, 0xf7, 0x76, 0x9e, 0x40, 0x25, 0xd5, 0x84, 0xb8,
+	0xaa, 0x39, 0x1b, 0x08, 0x95, 0x54, 0xda, 0x20, 0x37, 0xa1, 0x80, 0x47, 0xcc, 0xb3, 0x8d, 0xa9,
+	0x8d, 0x29, 0x6a, 0x86, 0xc4, 0x81, 0xe9, 0x50, 0xe0, 0xbe, 0x7f, 0x64, 0x18, 0x36, 0xa6, 0xa8,
+	0x1d, 0x2b, 0x84, 0xc0, 0x2e, 0x1e, 0x99, 0xd0, 0xa2, 0x10, 0x7a, 0xd8, 0xaa, 0x02, 0xe8, 0xe2,
+	0xda, 0x95, 0xc3, 0x10, 0x1b, 0xff, 0xc8, 0xd8, 0x0e, 0x14, 0xaa, 0x5b, 0xb4, 0x00, 0x25, 0x26,
+	0x25, 0x0e, 0x42, 0xfd, 0xda, 0x32, 0x8b, 0x85, 0xe4, 0xb5, 0x25, 0x52, 0xb2, 0x02, 0xb3, 0x21,
+	0x0a, 0x57, 0x8a, 0xa1, 0x9b, 0xb4, 0x52, 0xb2, 0x93, 0x5a, 0x29, 0xb5, 0x10, 0xc5, 0x9e, 0x18,
+	0xee, 0xd9, 0x86, 0xca, 0x2d, 0xf5, 0x21, 0xa9, 0x08, 0x78, 0x60, 0xc3, 0x9e, 0x6e, 0x96, 0x0c,
+	0xb7, 0x03, 0x42, 0xe1, 0x03, 0x33, 0xa5, 0x92, 0x84, 0x44, 0xb7, 0xcf, 0x3d, 0xd6, 0xf7, 0xa5,
+	0x8f, 0x91, 0xad, 0x6d, 0xe7, 0x4f, 0xad, 0xd2, 0xe2, 0xbc, 0xaf, 0x1b, 0x16, 0xf4, 0x86, 0x86,
+	0x52, 0x8d, 0xdc, 0x1a, 0x01, 0x1b, 0xff, 0xce, 0x02, 0x8c, 0x1b, 0x07, 0xe4, 0x01, 0x54, 0x59,
+	0xbf, 0xcf, 0x0f, 0x5d, 0x2e, 0xfc, 0xae, 0x1f, 0xd8, 0xa0, 0x92, 0x75, 0x32, 0xb4, 0xa2, 0xe5,
+	0xdb, 0x5a, 0x4c, 0x36, 0xa1, 0x96, 0x56, 0x4b, 0x6a, 0xd5, 0x4b, 0x26, 0xf9, 0x6a, 0x8a, 0x2a,
+	0x52, 0x57, 0xd1, 0x70, 0x99, 0x9a, 0x3d, 0x89, 0x4d, 0x46, 0xe9, 0xb9, 0x91, 0x8d, 0x95, 0x92,
+	0x94, 0x9c, 0x4b, 0x29, 0x25, 0x15, 0xdd, 0x03, 0x98, 0xc1, 0xa3, 0x90, 0x8f, 0xd3, 0xa9, 0x4e,
+	0x09, 0x65, 0x5a, 0x33, 0xd2, 0x44, 0x6d, 0x19, 0x8a, 0x03, 0x76, 0xe4, 0xb2, 0x2e, 0xea, 0x07,
+	0x77, 0xa1, 0x73, 0xa6, 0x07, 0xec, 0x68, 0xa5, 0x8b, 0xe4, 0x6b, 0x98, 0x33, 0xeb, 0x7b, 0x02,
+	0x3b, 0x18, 0x48, 0x9f, 0xf5, 0x23, 0xdb, 0x25, 0xbb, 0xc8, 0xe8, 0x75, 0x0d, 0x5a, 0x1d, 0x63,
+	0x1a, 0xbf, 0x2d, 0x00, 0x39, 0xdd, 0xca, 0x52, 0x9f, 0xa9, 0x1d, 0xec, 0xb3, 0xe1, 0x25, 0x5a,
+	0x11, 0xa7, 0xc0, 0xcd, 0x35, 0x85, 0xa4, 0x86, 0x40, 0x31, 0xb1, 0x76, 0x92, 0x50, 0xaf, 0xca,
+	0xb4, 0xa2, 0x90, 0xd4, 0x10, 0xcc, 0xff, 0x26, 0x0b, 0x05, 0x4d, 0x4d, 0x6e, 0x43, 0x31, 0xe9,
+	0x8d, 0x99, 0x7b, 0xaf, 0x2e, 0x44, 0x22, 0x22, 0x2d, 0xa8, 0xec, 0xfb, 0x47, 0xd8, 0x71, 0xcd,
+	0x09, 0x26, 0x5d, 0x78, 0xf3, 0x68, 0x54, 0x9c, 0xd2, 0xa8, 0x35, 0xbb, 0xeb, 0x39, 0xe5, 0xa4,
+	0xc0, 0x98, 0xc9, 0x32, 0xe5, 0x26, 0x30, 0x6d, 0x4c, 0xd1, 0x7a, 0x0a, 0x65, 0x98, 0x56, 0x00,
+	0x52, 0xed, 0xb7, 0xc2, 0x65, 0xdb, 0x6f, 0x29, 0x50, 0x6b, 0x0e, 0x66, 0x7b, 0x52, 0x86, 0x66,
+	0x17, 0x3a, 0x10, 0xcc, 0xff, 0x3d, 0x03, 0x05, 0x6d, 0x1c, 0xf2, 0x11, 0x54, 0xf4, 0x64, 0x24,
+	0x99, 0x8c, 0x23, 0x53, 0x13, 0x8d, 0x8f, 0xa4, 0xa6, 0x76, 0xf5, 0x0c, 0xb9, 0x07, 0x95, 0xae,
+	0x08, 0xbd, 0x44, 0x31, 0x89, 0x33, 0xa0, 0x84, 0x63, 0x15, 0x05, 0x58, 0x76, 0x51, 0xb7, 0x2f,
+	0xf3, 0x89, 0x8a, 0x16, 0xae, 0xeb, 0xee, 0xe4, 0x77, 0x70, 0x9c, 0x2a, 0x80, 0xe6, 0xd7, 0x27,
+	0xd9, 0xcc, 0x97, 0x32, 0xf5, 0xec, 0xc8, 0x79, 0x8d, 0x65, 0xa8, 0xa6, 0x3b, 0xef, 0x2a, 0x61,
+	0x04, 0xf1, 0xa0, 0x8d, 0x42, 0x7b, 0xba, 0x46, 0xed, 0x68, 0x33, 0x5f, 0xca, 0xd6, 0x73, 0xa6,
+	0x19, 0xd0, 0xb8, 0x0b, 0xc5, 0xa4, 0xe7, 0x39, 0x4a, 0xa3, 0x4a, 0x3b, 0x63, 0xd3, 0x68, 0xeb,
+	0x27, 0x7f, 0x79, 0x7b, 0x27, 0xf3, 0xb7, 0xb7, 0x77, 0x32, 0xff, 0x7c, 0x7b, 0x27, 0xf3, 0x8b,
+	0xbb, 0xa3, 0xff, 0xc5, 0xb0, 0xd0, 0x5f, 0x3a, 0xfd, 0xdf, 0xa3, 0xf6, 0xb4, 0xf6, 0xec, 0xc3,
+	0xff, 0x06, 0x00, 0x00, 0xff, 0xff, 0xf6, 0x42, 0xcf, 0xdc, 0x5a, 0x1a, 0x00, 0x00,
 }
 
 func (m *VirtualService) Marshal() (dAtA []byte, err error) {
diff --git a/networking/v1beta1/virtual_service.proto b/networking/v1beta1/virtual_service.proto
index 6d7e6eaa405..e4a11d25dd6 100644
--- a/networking/v1beta1/virtual_service.proto
+++ b/networking/v1beta1/virtual_service.proto
@@ -17,6 +17,7 @@ syntax = "proto3";
 import "google/api/field_behavior.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/wrappers.proto";
+import "istio.io/extensions/istio_feature.proto";
 
 // $schema: istio.networking.v1beta1.VirtualService
 // $title: Virtual Service
@@ -287,7 +288,7 @@ message VirtualService {
   // The value "." is reserved and defines an export to the same namespace that
   // the virtual service is declared in. Similarly the value "*" is reserved and
   // defines an export to all namespaces.
-  repeated string export_to = 6;
+  repeated string export_to = 6 [(istio.extensions.feature) = {status: STABLE, id: "traffic.control"}];
 }
 
 // Destination indicates the network addressable service to which the
diff --git a/networking/v1beta1/virtual_service_deepcopy.gen.go b/networking/v1beta1/virtual_service_deepcopy.gen.go
index fb2e57deb28..ca54fc52655 100644
--- a/networking/v1beta1/virtual_service_deepcopy.gen.go
+++ b/networking/v1beta1/virtual_service_deepcopy.gen.go
@@ -155,6 +155,7 @@ import (
 	fmt "fmt"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/networking/v1beta1/virtual_service_json.gen.go b/networking/v1beta1/virtual_service_json.gen.go
index 03e0fe10c6e..f3bc38e4730 100644
--- a/networking/v1beta1/virtual_service_json.gen.go
+++ b/networking/v1beta1/virtual_service_json.gen.go
@@ -157,6 +157,7 @@ import (
 	github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
 	proto "github.com/gogo/protobuf/proto"
 	_ "github.com/gogo/protobuf/types"
+	_ "istio.io/api/istio.io/extensions"
 	_ "istio.io/gogo-genproto/googleapis/google/api"
 	math "math"
 )
diff --git a/python/istio_api/istio/io/extensions/istio_feature_pb2.py b/python/istio_api/istio/io/extensions/istio_feature_pb2.py
new file mode 100644
index 00000000000..bc25cf55df6
--- /dev/null
+++ b/python/istio_api/istio/io/extensions/istio_feature_pb2.py
@@ -0,0 +1,150 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: istio.io/extensions/istio_feature.proto
+"""Generated protocol buffer code."""
+from google.protobuf.internal import enum_type_wrapper
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+from google.protobuf import descriptor_pb2 as google_dot_protobuf_dot_descriptor__pb2
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='istio.io/extensions/istio_feature.proto',
+  package='istio.extensions',
+  syntax='proto3',
+  serialized_options=b'Z istio.io/api/istio.io/extensions',
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\'istio.io/extensions/istio_feature.proto\x12\x10istio.extensions\x1a google/protobuf/descriptor.proto\"s\n\x0cIstioFeature\x12<\n\x06status\x18\x01 \x01(\x0e\x32\x1f.istio.extensions.FeatureStatusH\x00R\x06status\x88\x01\x01\x12\x13\n\x02id\x18\x02 \x01(\tH\x01R\x02id\x88\x01\x01\x42\t\n\x07_statusB\x05\n\x03_id*B\n\rFeatureStatus\x12\t\n\x05\x41LPHA\x10\x00\x12\x08\n\x04\x42\x45TA\x10\x01\x12\n\n\x06STABLE\x10\x02\x12\x10\n\x0c\x45XPERIMENTAL\x10\x03:X\n\x07\x66\x65\x61ture\x12\x1d.google.protobuf.FieldOptions\x18\x94\n \x01(\x0b\x32\x1e.istio.extensions.IstioFeatureR\x07\x66\x65\x61tureB\"Z istio.io/api/istio.io/extensionsb\x06proto3'
+  ,
+  dependencies=[google_dot_protobuf_dot_descriptor__pb2.DESCRIPTOR,])
+
+_FEATURESTATUS = _descriptor.EnumDescriptor(
+  name='FeatureStatus',
+  full_name='istio.extensions.FeatureStatus',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='ALPHA', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='BETA', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='STABLE', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='EXPERIMENTAL', index=3, number=3,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=212,
+  serialized_end=278,
+)
+_sym_db.RegisterEnumDescriptor(_FEATURESTATUS)
+
+FeatureStatus = enum_type_wrapper.EnumTypeWrapper(_FEATURESTATUS)
+ALPHA = 0
+BETA = 1
+STABLE = 2
+EXPERIMENTAL = 3
+
+FEATURE_FIELD_NUMBER = 1300
+feature = _descriptor.FieldDescriptor(
+  name='feature', full_name='istio.extensions.feature', index=0,
+  number=1300, type=11, cpp_type=10, label=1,
+  has_default_value=False, default_value=None,
+  message_type=None, enum_type=None, containing_type=None,
+  is_extension=True, extension_scope=None,
+  serialized_options=None, json_name='feature', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
+
+
+_ISTIOFEATURE = _descriptor.Descriptor(
+  name='IstioFeature',
+  full_name='istio.extensions.IstioFeature',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='status', full_name='istio.extensions.IstioFeature.status', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, json_name='status', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='id', full_name='istio.extensions.IstioFeature.id', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, json_name='id', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+    _descriptor.OneofDescriptor(
+      name='_status', full_name='istio.extensions.IstioFeature._status',
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
+    _descriptor.OneofDescriptor(
+      name='_id', full_name='istio.extensions.IstioFeature._id',
+      index=1, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
+  ],
+  serialized_start=95,
+  serialized_end=210,
+)
+
+_ISTIOFEATURE.fields_by_name['status'].enum_type = _FEATURESTATUS
+_ISTIOFEATURE.oneofs_by_name['_status'].fields.append(
+  _ISTIOFEATURE.fields_by_name['status'])
+_ISTIOFEATURE.fields_by_name['status'].containing_oneof = _ISTIOFEATURE.oneofs_by_name['_status']
+_ISTIOFEATURE.oneofs_by_name['_id'].fields.append(
+  _ISTIOFEATURE.fields_by_name['id'])
+_ISTIOFEATURE.fields_by_name['id'].containing_oneof = _ISTIOFEATURE.oneofs_by_name['_id']
+DESCRIPTOR.message_types_by_name['IstioFeature'] = _ISTIOFEATURE
+DESCRIPTOR.enum_types_by_name['FeatureStatus'] = _FEATURESTATUS
+DESCRIPTOR.extensions_by_name['feature'] = feature
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+IstioFeature = _reflection.GeneratedProtocolMessageType('IstioFeature', (_message.Message,), {
+  'DESCRIPTOR' : _ISTIOFEATURE,
+  '__module__' : 'istio.io.extensions.istio_feature_pb2'
+  # @@protoc_insertion_point(class_scope:istio.extensions.IstioFeature)
+  })
+_sym_db.RegisterMessage(IstioFeature)
+
+feature.message_type = _ISTIOFEATURE
+google_dot_protobuf_dot_descriptor__pb2.FieldOptions.RegisterExtension(feature)
+
+DESCRIPTOR._options = None
+# @@protoc_insertion_point(module_scope)
diff --git a/python/istio_api/networking/v1alpha3/destination_rule_pb2.py b/python/istio_api/networking/v1alpha3/destination_rule_pb2.py
index 695cd875673..6bd91bd7ca6 100644
--- a/python/istio_api/networking/v1alpha3/destination_rule_pb2.py
+++ b/python/istio_api/networking/v1alpha3/destination_rule_pb2.py
@@ -16,6 +16,7 @@
 from google.protobuf import wrappers_pb2 as google_dot_protobuf_dot_wrappers__pb2
 from networking.v1alpha3 import virtual_service_pb2 as networking_dot_v1alpha3_dot_virtual__service__pb2
 from gogoproto import gogo_pb2 as gogoproto_dot_gogo__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -24,9 +25,9 @@
   syntax='proto3',
   serialized_options=b'Z istio.io/api/networking/v1alpha3',
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n*networking/v1alpha3/destination_rule.proto\x12\x19istio.networking.v1alpha3\x1a\x1fgoogle/api/field_behavior.proto\x1a\x1egoogle/protobuf/duration.proto\x1a\x1egoogle/protobuf/wrappers.proto\x1a)networking/v1alpha3/virtual_service.proto\x1a\x14gogoproto/gogo.proto\"\xd6\x01\n\x0f\x44\x65stinationRule\x12\x18\n\x04host\x18\x01 \x01(\tB\x04\xe2\x41\x01\x02R\x04host\x12O\n\x0etraffic_policy\x18\x02 \x01(\x0b\x32(.istio.networking.v1alpha3.TrafficPolicyR\rtrafficPolicy\x12;\n\x07subsets\x18\x03 \x03(\x0b\x32!.istio.networking.v1alpha3.SubsetR\x07subsets\x12\x1b\n\texport_to\x18\x04 \x03(\tR\x08\x65xportTo\"\xe6\x06\n\rTrafficPolicy\x12T\n\rload_balancer\x18\x01 \x01(\x0b\x32/.istio.networking.v1alpha3.LoadBalancerSettingsR\x0cloadBalancer\x12Z\n\x0f\x63onnection_pool\x18\x02 \x01(\x0b\x32\x31.istio.networking.v1alpha3.ConnectionPoolSettingsR\x0e\x63onnectionPool\x12X\n\x11outlier_detection\x18\x03 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   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_virtual__service__pb2.DESCRIPTOR,gogoproto_dot_gogo__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_virtual__service__pb2.DESCRIPTOR,gogoproto_dot_gogo__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -70,8 +71,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=2415,
-  serialized_end=2527,
+  serialized_start=2480,
+  serialized_end=2592,
 )
 _sym_db.RegisterEnumDescriptor(_LOADBALANCERSETTINGS_SIMPLELB)
 
@@ -100,8 +101,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=3569,
-  serialized_end=3632,
+  serialized_start=3634,
+  serialized_end=3697,
 )
 _sym_db.RegisterEnumDescriptor(_CONNECTIONPOOLSETTINGS_HTTPSETTINGS_H2UPGRADEPOLICY)
 
@@ -135,8 +136,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=4691,
-  serialized_end=4755,
+  serialized_start=4756,
+  serialized_end=4820,
 )
 _sym_db.RegisterEnumDescriptor(_CLIENTTLSSETTINGS_TLSMODE)
 
@@ -176,7 +177,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -189,8 +190,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=236,
-  serialized_end=450,
+  serialized_start=277,
+  serialized_end=515,
 )
 
 
@@ -249,8 +250,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=911,
-  serialized_end=1323,
+  serialized_start=976,
+  serialized_end=1388,
 )
 
 _TRAFFICPOLICY = _descriptor.Descriptor(
@@ -308,8 +309,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=453,
-  serialized_end=1323,
+  serialized_start=518,
+  serialized_end=1388,
 )
 
 
@@ -347,8 +348,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1514,
-  serialized_end=1571,
+  serialized_start=1579,
+  serialized_end=1636,
 )
 
 _SUBSET = _descriptor.Descriptor(
@@ -392,8 +393,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1326,
-  serialized_end=1571,
+  serialized_start=1391,
+  serialized_end=1636,
 )
 
 
@@ -438,8 +439,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2292,
-  serialized_end=2401,
+  serialized_start=2357,
+  serialized_end=2466,
 )
 
 _LOADBALANCERSETTINGS_CONSISTENTHASHLB = _descriptor.Descriptor(
@@ -502,8 +503,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=1973,
-  serialized_end=2413,
+  serialized_start=2038,
+  serialized_end=2478,
 )
 
 _LOADBALANCERSETTINGS = _descriptor.Descriptor(
@@ -560,8 +561,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=1574,
-  serialized_end=2540,
+  serialized_start=1639,
+  serialized_end=2605,
 )
 
 
@@ -606,8 +607,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2973,
-  serialized_end=3113,
+  serialized_start=3038,
+  serialized_end=3178,
 )
 
 _CONNECTIONPOOLSETTINGS_TCPSETTINGS = _descriptor.Descriptor(
@@ -651,8 +652,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2735,
-  serialized_end=3113,
+  serialized_start=2800,
+  serialized_end=3178,
 )
 
 _CONNECTIONPOOLSETTINGS_HTTPSETTINGS = _descriptor.Descriptor(
@@ -725,8 +726,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3116,
-  serialized_end=3632,
+  serialized_start=3181,
+  serialized_end=3697,
 )
 
 _CONNECTIONPOOLSETTINGS = _descriptor.Descriptor(
@@ -763,8 +764,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2543,
-  serialized_end=3632,
+  serialized_start=2608,
+  serialized_end=3697,
 )
 
 
@@ -851,8 +852,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3635,
-  serialized_end=4285,
+  serialized_start=3700,
+  serialized_end=4350,
 )
 
 
@@ -933,8 +934,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4288,
-  serialized_end=4755,
+  serialized_start=4353,
+  serialized_end=4820,
 )
 
 
@@ -972,8 +973,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5206,
-  serialized_end=5259,
+  serialized_start=5271,
+  serialized_end=5324,
 )
 
 _LOCALITYLOADBALANCERSETTING_DISTRIBUTE = _descriptor.Descriptor(
@@ -1010,8 +1011,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5081,
-  serialized_end=5259,
+  serialized_start=5146,
+  serialized_end=5324,
 )
 
 _LOCALITYLOADBALANCERSETTING_FAILOVER = _descriptor.Descriptor(
@@ -1048,8 +1049,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5261,
-  serialized_end=5307,
+  serialized_start=5326,
+  serialized_end=5372,
 )
 
 _LOCALITYLOADBALANCERSETTING = _descriptor.Descriptor(
@@ -1100,8 +1101,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4758,
-  serialized_end=5307,
+  serialized_start=4823,
+  serialized_end=5372,
 )
 
 _DESTINATIONRULE.fields_by_name['traffic_policy'].message_type = _TRAFFICPOLICY
@@ -1323,6 +1324,7 @@
 
 DESCRIPTOR._options = None
 _DESTINATIONRULE.fields_by_name['host']._options = None
+_DESTINATIONRULE.fields_by_name['export_to']._options = None
 _SUBSET_LABELSENTRY._options = None
 _SUBSET.fields_by_name['name']._options = None
 _LOADBALANCERSETTINGS_CONSISTENTHASHLB_HTTPCOOKIE.fields_by_name['name']._options = None
diff --git a/python/istio_api/networking/v1alpha3/service_entry_pb2.py b/python/istio_api/networking/v1alpha3/service_entry_pb2.py
index e26a0f0e7a1..1a44c092f47 100644
--- a/python/istio_api/networking/v1alpha3/service_entry_pb2.py
+++ b/python/istio_api/networking/v1alpha3/service_entry_pb2.py
@@ -15,6 +15,7 @@
 from networking.v1alpha3 import gateway_pb2 as networking_dot_v1alpha3_dot_gateway__pb2
 from networking.v1alpha3 import sidecar_pb2 as networking_dot_v1alpha3_dot_sidecar__pb2
 from networking.v1alpha3 import workload_entry_pb2 as networking_dot_v1alpha3_dot_workload__entry__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -23,9 +24,9 @@
   syntax='proto3',
   serialized_options=b'Z istio.io/api/networking/v1alpha3',
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n\'networking/v1alpha3/service_entry.proto\x12\x19istio.networking.v1alpha3\x1a\x1fgoogle/api/field_behavior.proto\x1a!networking/v1alpha3/gateway.proto\x1a!networking/v1alpha3/sidecar.proto\x1a(networking/v1alpha3/workload_entry.proto\"\x8c\x05\n\x0cServiceEntry\x12\x1a\n\x05hosts\x18\x01 \x03(\tB\x04\xe2\x41\x01\x02R\x05hosts\x12\x1c\n\taddresses\x18\x02 \x03(\tR\taddresses\x12;\n\x05ports\x18\x03 \x03(\x0b\x32\x1f.istio.networking.v1alpha3.PortB\x04\xe2\x41\x01\x02R\x05ports\x12L\n\x08location\x18\x04 \x01(\x0e\x32\x30.istio.networking.v1alpha3.ServiceEntry.LocationR\x08location\x12X\n\nresolution\x18\x05 \x01(\x0e\x32\x32.istio.networking.v1alpha3.ServiceEntry.ResolutionB\x04\xe2\x41\x01\x02R\nresolution\x12\x46\n\tendpoints\x18\x06 \x03(\x0b\x32(.istio.networking.v1alpha3.WorkloadEntryR\tendpoints\x12X\n\x11workload_selector\x18\t \x01(\x0b\x32+.istio.networking.v1alpha3.WorkloadSelectorR\x10workloadSelector\x12\x1b\n\texport_to\x18\x07 \x03(\tR\x08\x65xportTo\x12*\n\x11subject_alt_names\x18\x08 \x03(\tR\x0fsubjectAltNames\"0\n\x08Location\x12\x11\n\rMESH_EXTERNAL\x10\x00\x12\x11\n\rMESH_INTERNAL\x10\x01\"@\n\nResolution\x12\x08\n\x04NONE\x10\x00\x12\n\n\x06STATIC\x10\x01\x12\x07\n\x03\x44NS\x10\x02\x12\x13\n\x0f\x44NS_ROUND_ROBIN\x10\x03\x42\"Z istio.io/api/networking/v1alpha3b\x06proto3'
+  serialized_pb=b'\n\'networking/v1alpha3/service_entry.proto\x12\x19istio.networking.v1alpha3\x1a\x1fgoogle/api/field_behavior.proto\x1a!networking/v1alpha3/gateway.proto\x1a!networking/v1alpha3/sidecar.proto\x1a(networking/v1alpha3/workload_entry.proto\x1a\'istio.io/extensions/istio_feature.proto\"\xa4\x05\n\x0cServiceEntry\x12\x1a\n\x05hosts\x18\x01 \x03(\tB\x04\xe2\x41\x01\x02R\x05hosts\x12\x1c\n\taddresses\x18\x02 \x03(\tR\taddresses\x12;\n\x05ports\x18\x03 \x03(\x0b\x32\x1f.istio.networking.v1alpha3.PortB\x04\xe2\x41\x01\x02R\x05ports\x12L\n\x08location\x18\x04 \x01(\x0e\x32\x30.istio.networking.v1alpha3.ServiceEntry.LocationR\x08location\x12X\n\nresolution\x18\x05 \x01(\x0e\x32\x32.istio.networking.v1alpha3.ServiceEntry.ResolutionB\x04\xe2\x41\x01\x02R\nresolution\x12\x46\n\tendpoints\x18\x06 \x03(\x0b\x32(.istio.networking.v1alpha3.WorkloadEntryR\tendpoints\x12X\n\x11workload_selector\x18\t \x01(\x0b\x32+.istio.networking.v1alpha3.WorkloadSelectorR\x10workloadSelector\x12\x33\n\texport_to\x18\x07 \x03(\tB\x16\xa2Q\x13\x08\x02\x12\x0ftraffic.controlR\x08\x65xportTo\x12*\n\x11subject_alt_names\x18\x08 \x03(\tR\x0fsubjectAltNames\"0\n\x08Location\x12\x11\n\rMESH_EXTERNAL\x10\x00\x12\x11\n\rMESH_INTERNAL\x10\x01\"@\n\nResolution\x12\x08\n\x04NONE\x10\x00\x12\n\n\x06STATIC\x10\x01\x12\x07\n\x03\x44NS\x10\x02\x12\x13\n\x0f\x44NS_ROUND_ROBIN\x10\x03\x42\"Z istio.io/api/networking/v1alpha3b\x06proto3'
   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_gateway__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_sidecar__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_workload__entry__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_gateway__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_sidecar__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_workload__entry__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -49,8 +50,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=754,
-  serialized_end=802,
+  serialized_start=819,
+  serialized_end=867,
 )
 _sym_db.RegisterEnumDescriptor(_SERVICEENTRY_LOCATION)
 
@@ -84,8 +85,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=804,
-  serialized_end=868,
+  serialized_start=869,
+  serialized_end=933,
 )
 _sym_db.RegisterEnumDescriptor(_SERVICEENTRY_RESOLUTION)
 
@@ -153,7 +154,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='subject_alt_names', full_name='istio.networking.v1alpha3.ServiceEntry.subject_alt_names', index=8,
       number=8, type=9, cpp_type=9, label=3,
@@ -175,8 +176,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=216,
-  serialized_end=868,
+  serialized_start=257,
+  serialized_end=933,
 )
 
 _SERVICEENTRY.fields_by_name['ports'].message_type = networking_dot_v1alpha3_dot_gateway__pb2._PORT
@@ -201,4 +202,5 @@
 _SERVICEENTRY.fields_by_name['hosts']._options = None
 _SERVICEENTRY.fields_by_name['ports']._options = None
 _SERVICEENTRY.fields_by_name['resolution']._options = None
+_SERVICEENTRY.fields_by_name['export_to']._options = None
 # @@protoc_insertion_point(module_scope)
diff --git a/python/istio_api/networking/v1alpha3/virtual_service_pb2.py b/python/istio_api/networking/v1alpha3/virtual_service_pb2.py
index 0895b5e0442..35c3b287cc3 100644
--- a/python/istio_api/networking/v1alpha3/virtual_service_pb2.py
+++ b/python/istio_api/networking/v1alpha3/virtual_service_pb2.py
@@ -14,6 +14,7 @@
 from google.api import field_behavior_pb2 as google_dot_api_dot_field__behavior__pb2
 from google.protobuf import duration_pb2 as google_dot_protobuf_dot_duration__pb2
 from google.protobuf import wrappers_pb2 as google_dot_protobuf_dot_wrappers__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -22,9 +23,9 @@
   syntax='proto3',
   serialized_options=b'Z istio.io/api/networking/v1alpha3',
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n)networking/v1alpha3/virtual_service.proto\x12\x19istio.networking.v1alpha3\x1a\x1fgoogle/api/field_behavior.proto\x1a\x1egoogle/protobuf/duration.proto\x1a\x1egoogle/protobuf/wrappers.proto\"\x87\x02\n\x0eVirtualService\x12\x14\n\x05hosts\x18\x01 \x03(\tR\x05hosts\x12\x1a\n\x08gateways\x18\x02 \x03(\tR\x08gateways\x12\x38\n\x04http\x18\x03 \x03(\x0b\x32$.istio.networking.v1alpha3.HTTPRouteR\x04http\x12\x35\n\x03tls\x18\x05 \x03(\x0b\x32#.istio.networking.v1alpha3.TLSRouteR\x03tls\x12\x35\n\x03tcp\x18\x04 \x03(\x0b\x32#.istio.networking.v1alpha3.TCPRouteR\x03tcp\x12\x1b\n\texport_to\x18\x06 \x03(\tR\x08\x65xportTo\"|\n\x0b\x44\x65stination\x12\x18\n\x04host\x18\x01 \x01(\tB\x04\xe2\x41\x01\x02R\x04host\x12\x16\n\x06subset\x18\x02 \x01(\tR\x06subset\x12;\n\x04port\x18\x03 \x01(\x0b\x32\'.istio.networking.v1alpha3.PortSelectorR\x04port\"\x9c\x08\n\tHTTPRoute\x12\x12\n\x04name\x18\x11 \x01(\tR\x04name\x12\x41\n\x05match\x18\x01 \x03(\x0b\x32+.istio.networking.v1alpha3.HTTPMatchRequestR\x05match\x12\x45\n\x05route\x18\x02 \x03(\x0b\x32/.istio.networking.v1alpha3.HTTPRouteDestinationR\x05route\x12\x43\n\x08redirect\x18\x03 \x01(\x0b\x32\'.istio.networking.v1alpha3.HTTPRedirectR\x08redirect\x12?\n\x08\x64\x65legate\x18\x14 \x01(\x0b\x32#.istio.networking.v1alpha3.DelegateR\x08\x64\x65legate\x12@\n\x07rewrite\x18\x04 \x01(\x0b\x32&.istio.networking.v1alpha3.HTTPRewriteR\x07rewrite\x12\x33\n\x07timeout\x18\x06 \x01(\x0b\x32\x19.google.protobuf.DurationR\x07timeout\x12>\n\x07retries\x18\x07 \x01(\x0b\x32$.istio.networking.v1alpha3.HTTPRetryR\x07retries\x12\x43\n\x05\x66\x61ult\x18\x08 \x01(\x0b\x32-.istio.networking.v1alpha3.HTTPFaultInjectionR\x05\x66\x61ult\x12>\n\x06mirror\x18\t \x01(\x0b\x32&.istio.networking.v1alpha3.DestinationR\x06mirror\x12G\n\x0emirror_percent\x18\x12 \x01(\x0b\x32\x1c.google.protobuf.UInt32ValueB\x02\x18\x01R\rmirrorPercent\x12O\n\x11mirror_percentage\x18\x13 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\x01(\x0b\x32\".istio.networking.v1alpha3.PercentR\npercentageB\x0c\n\nerror_typeJ\x04\x08\x01\x10\x02R\x07percent\"2\n\x0cPortSelector\x12\x16\n\x06number\x18\x01 \x01(\rR\x06numberJ\x04\x08\x02\x10\x03R\x04name\"\x1f\n\x07Percent\x12\x14\n\x05value\x18\x01 \x01(\x01R\x05valueB\"Z istio.io/api/networking/v1alpha3b\x06proto3'
   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -48,8 +49,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=5077,
-  serialized_end=5150,
+  serialized_start=5142,
+  serialized_end=5215,
 )
 _sym_db.RegisterEnumDescriptor(_HTTPREDIRECT_REDIRECTPORTSELECTION)
 
@@ -103,7 +104,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -116,8 +117,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=170,
-  serialized_end=433,
+  serialized_start=211,
+  serialized_end=498,
 )
 
 
@@ -162,8 +163,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=435,
-  serialized_end=559,
+  serialized_start=500,
+  serialized_end=624,
 )
 
 
@@ -285,8 +286,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=562,
-  serialized_end=1614,
+  serialized_start=627,
+  serialized_end=1679,
 )
 
 
@@ -324,8 +325,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1616,
-  serialized_end=1676,
+  serialized_start=1681,
+  serialized_end=1741,
 )
 
 
@@ -363,8 +364,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2055,
-  serialized_end=2109,
+  serialized_start=2120,
+  serialized_end=2174,
 )
 
 _HEADERS_HEADEROPERATIONS_ADDENTRY = _descriptor.Descriptor(
@@ -401,8 +402,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2111,
-  serialized_end=2165,
+  serialized_start=2176,
+  serialized_end=2230,
 )
 
 _HEADERS_HEADEROPERATIONS = _descriptor.Descriptor(
@@ -446,8 +447,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1851,
-  serialized_end=2165,
+  serialized_start=1916,
+  serialized_end=2230,
 )
 
 _HEADERS = _descriptor.Descriptor(
@@ -484,8 +485,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1679,
-  serialized_end=2165,
+  serialized_start=1744,
+  serialized_end=2230,
 )
 
 
@@ -523,8 +524,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2168,
-  serialized_end=2320,
+  serialized_start=2233,
+  serialized_end=2385,
 )
 
 
@@ -562,8 +563,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2323,
-  serialized_end=2468,
+  serialized_start=2388,
+  serialized_end=2533,
 )
 
 
@@ -601,8 +602,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3285,
-  serialized_end=3383,
+  serialized_start=3350,
+  serialized_end=3448,
 )
 
 _HTTPMATCHREQUEST_SOURCELABELSENTRY = _descriptor.Descriptor(
@@ -639,8 +640,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3385,
-  serialized_end=3448,
+  serialized_start=3450,
+  serialized_end=3513,
 )
 
 _HTTPMATCHREQUEST_QUERYPARAMSENTRY = _descriptor.Descriptor(
@@ -677,8 +678,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3450,
-  serialized_end=3552,
+  serialized_start=3515,
+  serialized_end=3617,
 )
 
 _HTTPMATCHREQUEST_WITHOUTHEADERSENTRY = _descriptor.Descriptor(
@@ -715,8 +716,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3554,
-  serialized_end=3659,
+  serialized_start=3619,
+  serialized_end=3724,
 )
 
 _HTTPMATCHREQUEST = _descriptor.Descriptor(
@@ -830,8 +831,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2471,
-  serialized_end=3659,
+  serialized_start=2536,
+  serialized_end=3724,
 )
 
 
@@ -876,8 +877,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3662,
-  serialized_end=3954,
+  serialized_start=3727,
+  serialized_end=4019,
 )
 
 
@@ -915,8 +916,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3956,
-  serialized_end=4078,
+  serialized_start=4021,
+  serialized_end=4143,
 )
 
 
@@ -954,8 +955,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3385,
-  serialized_end=3448,
+  serialized_start=3450,
+  serialized_end=3513,
 )
 
 _L4MATCHATTRIBUTES = _descriptor.Descriptor(
@@ -1020,8 +1021,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4081,
-  serialized_end=4443,
+  serialized_start=4146,
+  serialized_end=4508,
 )
 
 
@@ -1059,8 +1060,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3385,
-  serialized_end=3448,
+  serialized_start=3450,
+  serialized_end=3513,
 )
 
 _TLSMATCHATTRIBUTES = _descriptor.Descriptor(
@@ -1125,8 +1126,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4446,
-  serialized_end=4829,
+  serialized_start=4511,
+  serialized_end=4894,
 )
 
 
@@ -1198,8 +1199,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=4832,
-  serialized_end=5167,
+  serialized_start=4897,
+  serialized_end=5232,
 )
 
 
@@ -1237,8 +1238,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5169,
-  serialized_end=5230,
+  serialized_start=5234,
+  serialized_end=5295,
 )
 
 
@@ -1288,8 +1289,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=5232,
-  serialized_end=5333,
+  serialized_start=5297,
+  serialized_end=5398,
 )
 
 
@@ -1341,8 +1342,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5336,
-  serialized_end=5559,
+  serialized_start=5401,
+  serialized_end=5624,
 )
 
 
@@ -1415,8 +1416,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5562,
-  serialized_end=5928,
+  serialized_start=5627,
+  serialized_end=5993,
 )
 
 
@@ -1473,8 +1474,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=6104,
-  serialized_end=6370,
+  serialized_start=6169,
+  serialized_end=6435,
 )
 
 _HTTPFAULTINJECTION_ABORT = _descriptor.Descriptor(
@@ -1530,8 +1531,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=6373,
-  serialized_end=6588,
+  serialized_start=6438,
+  serialized_end=6653,
 )
 
 _HTTPFAULTINJECTION = _descriptor.Descriptor(
@@ -1568,8 +1569,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5931,
-  serialized_end=6588,
+  serialized_start=5996,
+  serialized_end=6653,
 )
 
 
@@ -1600,8 +1601,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6590,
-  serialized_end=6640,
+  serialized_start=6655,
+  serialized_end=6705,
 )
 
 
@@ -1632,8 +1633,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6642,
-  serialized_end=6673,
+  serialized_start=6707,
+  serialized_end=6738,
 )
 
 _VIRTUALSERVICE.fields_by_name['http'].message_type = _HTTPROUTE
@@ -1983,6 +1984,7 @@
 
 
 DESCRIPTOR._options = None
+_VIRTUALSERVICE.fields_by_name['export_to']._options = None
 _DESTINATION.fields_by_name['host']._options = None
 _HTTPROUTE.fields_by_name['mirror_percent']._options = None
 _HEADERS_HEADEROPERATIONS_SETENTRY._options = None
diff --git a/python/istio_api/networking/v1beta1/destination_rule_pb2.py b/python/istio_api/networking/v1beta1/destination_rule_pb2.py
index d134e8e10ce..a8893049011 100644
--- a/python/istio_api/networking/v1beta1/destination_rule_pb2.py
+++ b/python/istio_api/networking/v1beta1/destination_rule_pb2.py
@@ -16,6 +16,7 @@
 from google.protobuf import wrappers_pb2 as google_dot_protobuf_dot_wrappers__pb2
 from networking.v1beta1 import virtual_service_pb2 as networking_dot_v1beta1_dot_virtual__service__pb2
 from gogoproto import gogo_pb2 as gogoproto_dot_gogo__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -24,9 +25,9 @@
   syntax='proto3',
   serialized_options=b'Z\037istio.io/api/networking/v1beta1',
   create_key=_descriptor._internal_create_key,
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\x01(\x0b\x32\x1a.google.protobuf.BoolValueR\x12insecureSkipVerify\"@\n\x07TLSmode\x12\x0b\n\x07\x44ISABLE\x10\x00\x12\n\n\x06SIMPLE\x10\x01\x12\n\n\x06MUTUAL\x10\x02\x12\x10\n\x0cISTIO_MUTUAL\x10\x03\"\xa2\x04\n\x1bLocalityLoadBalancerSetting\x12`\n\ndistribute\x18\x01 \x03(\x0b\x32@.istio.networking.v1beta1.LocalityLoadBalancerSetting.DistributeR\ndistribute\x12Z\n\x08\x66\x61ilover\x18\x02 \x03(\x0b\x32>.istio.networking.v1beta1.LocalityLoadBalancerSetting.FailoverR\x08\x66\x61ilover\x12+\n\x11\x66\x61ilover_priority\x18\x04 \x03(\tR\x10\x66\x61iloverPriority\x12\x34\n\x07\x65nabled\x18\x03 \x01(\x0b\x32\x1a.google.protobuf.BoolValueR\x07\x65nabled\x1a\xb1\x01\n\nDistribute\x12\x12\n\x04\x66rom\x18\x01 \x01(\tR\x04\x66rom\x12X\n\x02to\x18\x02 \x03(\x0b\x32H.istio.networking.v1beta1.LocalityLoadBalancerSetting.Distribute.ToEntryR\x02to\x1a\x35\n\x07ToEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n\x05value\x18\x02 \x01(\rR\x05value:\x02\x38\x01\x1a.\n\x08\x46\x61ilover\x12\x12\n\x04\x66rom\x18\x01 \x01(\tR\x04\x66rom\x12\x0e\n\x02to\x18\x02 \x01(\tR\x02toB!Z\x1fistio.io/api/networking/v1beta1b\x06proto3'
   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_virtual__service__pb2.DESCRIPTOR,gogoproto_dot_gogo__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_virtual__service__pb2.DESCRIPTOR,gogoproto_dot_gogo__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -70,8 +71,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=2394,
-  serialized_end=2506,
+  serialized_start=2459,
+  serialized_end=2571,
 )
 _sym_db.RegisterEnumDescriptor(_LOADBALANCERSETTINGS_SIMPLELB)
 
@@ -100,8 +101,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=3544,
-  serialized_end=3607,
+  serialized_start=3609,
+  serialized_end=3672,
 )
 _sym_db.RegisterEnumDescriptor(_CONNECTIONPOOLSETTINGS_HTTPSETTINGS_H2UPGRADEPOLICY)
 
@@ -135,8 +136,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=4665,
-  serialized_end=4729,
+  serialized_start=4730,
+  serialized_end=4794,
 )
 _sym_db.RegisterEnumDescriptor(_CLIENTTLSSETTINGS_TLSMODE)
 
@@ -176,7 +177,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -189,8 +190,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=233,
-  serialized_end=445,
+  serialized_start=274,
+  serialized_end=510,
 )
 
 
@@ -249,8 +250,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=901,
-  serialized_end=1308,
+  serialized_start=966,
+  serialized_end=1373,
 )
 
 _TRAFFICPOLICY = _descriptor.Descriptor(
@@ -308,8 +309,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=448,
-  serialized_end=1308,
+  serialized_start=513,
+  serialized_end=1373,
 )
 
 
@@ -347,8 +348,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1497,
-  serialized_end=1554,
+  serialized_start=1562,
+  serialized_end=1619,
 )
 
 _SUBSET = _descriptor.Descriptor(
@@ -392,8 +393,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1311,
-  serialized_end=1554,
+  serialized_start=1376,
+  serialized_end=1619,
 )
 
 
@@ -438,8 +439,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2271,
-  serialized_end=2380,
+  serialized_start=2336,
+  serialized_end=2445,
 )
 
 _LOADBALANCERSETTINGS_CONSISTENTHASHLB = _descriptor.Descriptor(
@@ -502,8 +503,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=1953,
-  serialized_end=2392,
+  serialized_start=2018,
+  serialized_end=2457,
 )
 
 _LOADBALANCERSETTINGS = _descriptor.Descriptor(
@@ -560,8 +561,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=1557,
-  serialized_end=2519,
+  serialized_start=1622,
+  serialized_end=2584,
 )
 
 
@@ -606,8 +607,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2949,
-  serialized_end=3089,
+  serialized_start=3014,
+  serialized_end=3154,
 )
 
 _CONNECTIONPOOLSETTINGS_TCPSETTINGS = _descriptor.Descriptor(
@@ -651,8 +652,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2712,
-  serialized_end=3089,
+  serialized_start=2777,
+  serialized_end=3154,
 )
 
 _CONNECTIONPOOLSETTINGS_HTTPSETTINGS = _descriptor.Descriptor(
@@ -725,8 +726,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3092,
-  serialized_end=3607,
+  serialized_start=3157,
+  serialized_end=3672,
 )
 
 _CONNECTIONPOOLSETTINGS = _descriptor.Descriptor(
@@ -763,8 +764,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2522,
-  serialized_end=3607,
+  serialized_start=2587,
+  serialized_end=3672,
 )
 
 
@@ -851,8 +852,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3610,
-  serialized_end=4260,
+  serialized_start=3675,
+  serialized_end=4325,
 )
 
 
@@ -933,8 +934,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4263,
-  serialized_end=4729,
+  serialized_start=4328,
+  serialized_end=4794,
 )
 
 
@@ -972,8 +973,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5177,
-  serialized_end=5230,
+  serialized_start=5242,
+  serialized_end=5295,
 )
 
 _LOCALITYLOADBALANCERSETTING_DISTRIBUTE = _descriptor.Descriptor(
@@ -1010,8 +1011,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5053,
-  serialized_end=5230,
+  serialized_start=5118,
+  serialized_end=5295,
 )
 
 _LOCALITYLOADBALANCERSETTING_FAILOVER = _descriptor.Descriptor(
@@ -1048,8 +1049,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5232,
-  serialized_end=5278,
+  serialized_start=5297,
+  serialized_end=5343,
 )
 
 _LOCALITYLOADBALANCERSETTING = _descriptor.Descriptor(
@@ -1100,8 +1101,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4732,
-  serialized_end=5278,
+  serialized_start=4797,
+  serialized_end=5343,
 )
 
 _DESTINATIONRULE.fields_by_name['traffic_policy'].message_type = _TRAFFICPOLICY
@@ -1323,6 +1324,7 @@
 
 DESCRIPTOR._options = None
 _DESTINATIONRULE.fields_by_name['host']._options = None
+_DESTINATIONRULE.fields_by_name['export_to']._options = None
 _SUBSET_LABELSENTRY._options = None
 _SUBSET.fields_by_name['name']._options = None
 _LOADBALANCERSETTINGS_CONSISTENTHASHLB_HTTPCOOKIE.fields_by_name['name']._options = None
diff --git a/python/istio_api/networking/v1beta1/service_entry_pb2.py b/python/istio_api/networking/v1beta1/service_entry_pb2.py
index 08fbb701571..d4d059e4e47 100644
--- a/python/istio_api/networking/v1beta1/service_entry_pb2.py
+++ b/python/istio_api/networking/v1beta1/service_entry_pb2.py
@@ -15,6 +15,7 @@
 from networking.v1beta1 import gateway_pb2 as networking_dot_v1beta1_dot_gateway__pb2
 from networking.v1beta1 import sidecar_pb2 as networking_dot_v1beta1_dot_sidecar__pb2
 from networking.v1beta1 import workload_entry_pb2 as networking_dot_v1beta1_dot_workload__entry__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -23,9 +24,9 @@
   syntax='proto3',
   serialized_options=b'Z\037istio.io/api/networking/v1beta1',
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n&networking/v1beta1/service_entry.proto\x12\x18istio.networking.v1beta1\x1a\x1fgoogle/api/field_behavior.proto\x1a networking/v1beta1/gateway.proto\x1a networking/v1beta1/sidecar.proto\x1a\'networking/v1beta1/workload_entry.proto\"\x87\x05\n\x0cServiceEntry\x12\x1a\n\x05hosts\x18\x01 \x03(\tB\x04\xe2\x41\x01\x02R\x05hosts\x12\x1c\n\taddresses\x18\x02 \x03(\tR\taddresses\x12:\n\x05ports\x18\x03 \x03(\x0b\x32\x1e.istio.networking.v1beta1.PortB\x04\xe2\x41\x01\x02R\x05ports\x12K\n\x08location\x18\x04 \x01(\x0e\x32/.istio.networking.v1beta1.ServiceEntry.LocationR\x08location\x12W\n\nresolution\x18\x05 \x01(\x0e\x32\x31.istio.networking.v1beta1.ServiceEntry.ResolutionB\x04\xe2\x41\x01\x02R\nresolution\x12\x45\n\tendpoints\x18\x06 \x03(\x0b\x32\'.istio.networking.v1beta1.WorkloadEntryR\tendpoints\x12W\n\x11workload_selector\x18\t \x01(\x0b\x32*.istio.networking.v1beta1.WorkloadSelectorR\x10workloadSelector\x12\x1b\n\texport_to\x18\x07 \x03(\tR\x08\x65xportTo\x12*\n\x11subject_alt_names\x18\x08 \x03(\tR\x0fsubjectAltNames\"0\n\x08Location\x12\x11\n\rMESH_EXTERNAL\x10\x00\x12\x11\n\rMESH_INTERNAL\x10\x01\"@\n\nResolution\x12\x08\n\x04NONE\x10\x00\x12\n\n\x06STATIC\x10\x01\x12\x07\n\x03\x44NS\x10\x02\x12\x13\n\x0f\x44NS_ROUND_ROBIN\x10\x03\x42!Z\x1fistio.io/api/networking/v1beta1b\x06proto3'
+  serialized_pb=b'\n&networking/v1beta1/service_entry.proto\x12\x18istio.networking.v1beta1\x1a\x1fgoogle/api/field_behavior.proto\x1a networking/v1beta1/gateway.proto\x1a networking/v1beta1/sidecar.proto\x1a\'networking/v1beta1/workload_entry.proto\x1a\'istio.io/extensions/istio_feature.proto\"\x9f\x05\n\x0cServiceEntry\x12\x1a\n\x05hosts\x18\x01 \x03(\tB\x04\xe2\x41\x01\x02R\x05hosts\x12\x1c\n\taddresses\x18\x02 \x03(\tR\taddresses\x12:\n\x05ports\x18\x03 \x03(\x0b\x32\x1e.istio.networking.v1beta1.PortB\x04\xe2\x41\x01\x02R\x05ports\x12K\n\x08location\x18\x04 \x01(\x0e\x32/.istio.networking.v1beta1.ServiceEntry.LocationR\x08location\x12W\n\nresolution\x18\x05 \x01(\x0e\x32\x31.istio.networking.v1beta1.ServiceEntry.ResolutionB\x04\xe2\x41\x01\x02R\nresolution\x12\x45\n\tendpoints\x18\x06 \x03(\x0b\x32\'.istio.networking.v1beta1.WorkloadEntryR\tendpoints\x12W\n\x11workload_selector\x18\t \x01(\x0b\x32*.istio.networking.v1beta1.WorkloadSelectorR\x10workloadSelector\x12\x33\n\texport_to\x18\x07 \x03(\tB\x16\xa2Q\x13\x08\x02\x12\x0ftraffic.controlR\x08\x65xportTo\x12*\n\x11subject_alt_names\x18\x08 \x03(\tR\x0fsubjectAltNames\"0\n\x08Location\x12\x11\n\rMESH_EXTERNAL\x10\x00\x12\x11\n\rMESH_INTERNAL\x10\x01\"@\n\nResolution\x12\x08\n\x04NONE\x10\x00\x12\n\n\x06STATIC\x10\x01\x12\x07\n\x03\x44NS\x10\x02\x12\x13\n\x0f\x44NS_ROUND_ROBIN\x10\x03\x42!Z\x1fistio.io/api/networking/v1beta1b\x06proto3'
   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_gateway__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_sidecar__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_workload__entry__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_gateway__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_sidecar__pb2.DESCRIPTOR,networking_dot_v1beta1_dot_workload__entry__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -49,8 +50,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=744,
-  serialized_end=792,
+  serialized_start=809,
+  serialized_end=857,
 )
 _sym_db.RegisterEnumDescriptor(_SERVICEENTRY_LOCATION)
 
@@ -84,8 +85,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=794,
-  serialized_end=858,
+  serialized_start=859,
+  serialized_end=923,
 )
 _sym_db.RegisterEnumDescriptor(_SERVICEENTRY_RESOLUTION)
 
@@ -153,7 +154,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='subject_alt_names', full_name='istio.networking.v1beta1.ServiceEntry.subject_alt_names', index=8,
       number=8, type=9, cpp_type=9, label=3,
@@ -175,8 +176,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=211,
-  serialized_end=858,
+  serialized_start=252,
+  serialized_end=923,
 )
 
 _SERVICEENTRY.fields_by_name['ports'].message_type = networking_dot_v1beta1_dot_gateway__pb2._PORT
@@ -201,4 +202,5 @@
 _SERVICEENTRY.fields_by_name['hosts']._options = None
 _SERVICEENTRY.fields_by_name['ports']._options = None
 _SERVICEENTRY.fields_by_name['resolution']._options = None
+_SERVICEENTRY.fields_by_name['export_to']._options = None
 # @@protoc_insertion_point(module_scope)
diff --git a/python/istio_api/networking/v1beta1/virtual_service_pb2.py b/python/istio_api/networking/v1beta1/virtual_service_pb2.py
index 1a0cd157058..46d6fc18050 100644
--- a/python/istio_api/networking/v1beta1/virtual_service_pb2.py
+++ b/python/istio_api/networking/v1beta1/virtual_service_pb2.py
@@ -14,6 +14,7 @@
 from google.api import field_behavior_pb2 as google_dot_api_dot_field__behavior__pb2
 from google.protobuf import duration_pb2 as google_dot_protobuf_dot_duration__pb2
 from google.protobuf import wrappers_pb2 as google_dot_protobuf_dot_wrappers__pb2
+from istio.io.extensions import istio_feature_pb2 as istio_dot_io_dot_extensions_dot_istio__feature__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -22,9 +23,9 @@
   syntax='proto3',
   serialized_options=b'Z\037istio.io/api/networking/v1beta1',
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n(networking/v1beta1/virtual_service.proto\x12\x18istio.networking.v1beta1\x1a\x1fgoogle/api/field_behavior.proto\x1a\x1egoogle/protobuf/duration.proto\x1a\x1egoogle/protobuf/wrappers.proto\"\x84\x02\n\x0eVirtualService\x12\x14\n\x05hosts\x18\x01 \x03(\tR\x05hosts\x12\x1a\n\x08gateways\x18\x02 \x03(\tR\x08gateways\x12\x37\n\x04http\x18\x03 \x03(\x0b\x32#.istio.networking.v1beta1.HTTPRouteR\x04http\x12\x34\n\x03tls\x18\x05 \x03(\x0b\x32\".istio.networking.v1beta1.TLSRouteR\x03tls\x12\x34\n\x03tcp\x18\x04 \x03(\x0b\x32\".istio.networking.v1beta1.TCPRouteR\x03tcp\x12\x1b\n\texport_to\x18\x06 \x03(\tR\x08\x65xportTo\"{\n\x0b\x44\x65stination\x12\x18\n\x04host\x18\x01 \x01(\tB\x04\xe2\x41\x01\x02R\x04host\x12\x16\n\x06subset\x18\x02 \x01(\tR\x06subset\x12:\n\x04port\x18\x03 \x01(\x0b\x32&.istio.networking.v1beta1.PortSelectorR\x04port\"\x91\x08\n\tHTTPRoute\x12\x12\n\x04name\x18\x11 \x01(\tR\x04name\x12@\n\x05match\x18\x01 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   ,
-  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,])
+  dependencies=[google_dot_api_dot_field__behavior__pb2.DESCRIPTOR,google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,istio_dot_io_dot_extensions_dot_istio__feature__pb2.DESCRIPTOR,])
 
 
 
@@ -48,8 +49,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=5035,
-  serialized_end=5108,
+  serialized_start=5100,
+  serialized_end=5173,
 )
 _sym_db.RegisterEnumDescriptor(_HTTPREDIRECT_REDIRECTPORTSELECTION)
 
@@ -103,7 +104,7 @@
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+      serialized_options=b'\242Q\023\010\002\022\017traffic.control', json_name='exportTo', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -116,8 +117,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=168,
-  serialized_end=428,
+  serialized_start=209,
+  serialized_end=493,
 )
 
 
@@ -162,8 +163,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=430,
-  serialized_end=553,
+  serialized_start=495,
+  serialized_end=618,
 )
 
 
@@ -285,8 +286,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=556,
-  serialized_end=1597,
+  serialized_start=621,
+  serialized_end=1662,
 )
 
 
@@ -324,8 +325,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1599,
-  serialized_end=1659,
+  serialized_start=1664,
+  serialized_end=1724,
 )
 
 
@@ -363,8 +364,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2034,
-  serialized_end=2088,
+  serialized_start=2099,
+  serialized_end=2153,
 )
 
 _HEADERS_HEADEROPERATIONS_ADDENTRY = _descriptor.Descriptor(
@@ -401,8 +402,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2090,
-  serialized_end=2144,
+  serialized_start=2155,
+  serialized_end=2209,
 )
 
 _HEADERS_HEADEROPERATIONS = _descriptor.Descriptor(
@@ -446,8 +447,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1832,
-  serialized_end=2144,
+  serialized_start=1897,
+  serialized_end=2209,
 )
 
 _HEADERS = _descriptor.Descriptor(
@@ -484,8 +485,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1662,
-  serialized_end=2144,
+  serialized_start=1727,
+  serialized_end=2209,
 )
 
 
@@ -523,8 +524,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2147,
-  serialized_end=2297,
+  serialized_start=2212,
+  serialized_end=2362,
 )
 
 
@@ -562,8 +563,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2300,
-  serialized_end=2443,
+  serialized_start=2365,
+  serialized_end=2508,
 )
 
 
@@ -601,8 +602,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3252,
-  serialized_end=3349,
+  serialized_start=3317,
+  serialized_end=3414,
 )
 
 _HTTPMATCHREQUEST_SOURCELABELSENTRY = _descriptor.Descriptor(
@@ -639,8 +640,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3351,
-  serialized_end=3414,
+  serialized_start=3416,
+  serialized_end=3479,
 )
 
 _HTTPMATCHREQUEST_QUERYPARAMSENTRY = _descriptor.Descriptor(
@@ -677,8 +678,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3416,
-  serialized_end=3517,
+  serialized_start=3481,
+  serialized_end=3582,
 )
 
 _HTTPMATCHREQUEST_WITHOUTHEADERSENTRY = _descriptor.Descriptor(
@@ -715,8 +716,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3519,
-  serialized_end=3623,
+  serialized_start=3584,
+  serialized_end=3688,
 )
 
 _HTTPMATCHREQUEST = _descriptor.Descriptor(
@@ -830,8 +831,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2446,
-  serialized_end=3623,
+  serialized_start=2511,
+  serialized_end=3688,
 )
 
 
@@ -876,8 +877,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3626,
-  serialized_end=3916,
+  serialized_start=3691,
+  serialized_end=3981,
 )
 
 
@@ -915,8 +916,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3918,
-  serialized_end=4039,
+  serialized_start=3983,
+  serialized_end=4104,
 )
 
 
@@ -954,8 +955,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3351,
-  serialized_end=3414,
+  serialized_start=3416,
+  serialized_end=3479,
 )
 
 _L4MATCHATTRIBUTES = _descriptor.Descriptor(
@@ -1020,8 +1021,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4042,
-  serialized_end=4403,
+  serialized_start=4107,
+  serialized_end=4468,
 )
 
 
@@ -1059,8 +1060,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3351,
-  serialized_end=3414,
+  serialized_start=3416,
+  serialized_end=3479,
 )
 
 _TLSMATCHATTRIBUTES = _descriptor.Descriptor(
@@ -1125,8 +1126,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4406,
-  serialized_end=4788,
+  serialized_start=4471,
+  serialized_end=4853,
 )
 
 
@@ -1198,8 +1199,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=4791,
-  serialized_end=5125,
+  serialized_start=4856,
+  serialized_end=5190,
 )
 
 
@@ -1237,8 +1238,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5127,
-  serialized_end=5188,
+  serialized_start=5192,
+  serialized_end=5253,
 )
 
 
@@ -1288,8 +1289,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=5190,
-  serialized_end=5291,
+  serialized_start=5255,
+  serialized_end=5356,
 )
 
 
@@ -1341,8 +1342,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5294,
-  serialized_end=5517,
+  serialized_start=5359,
+  serialized_end=5582,
 )
 
 
@@ -1415,8 +1416,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5520,
-  serialized_end=5885,
+  serialized_start=5585,
+  serialized_end=5950,
 )
 
 
@@ -1473,8 +1474,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=6059,
-  serialized_end=6324,
+  serialized_start=6124,
+  serialized_end=6389,
 )
 
 _HTTPFAULTINJECTION_ABORT = _descriptor.Descriptor(
@@ -1530,8 +1531,8 @@
       create_key=_descriptor._internal_create_key,
     fields=[]),
   ],
-  serialized_start=6327,
-  serialized_end=6541,
+  serialized_start=6392,
+  serialized_end=6606,
 )
 
 _HTTPFAULTINJECTION = _descriptor.Descriptor(
@@ -1568,8 +1569,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5888,
-  serialized_end=6541,
+  serialized_start=5953,
+  serialized_end=6606,
 )
 
 
@@ -1600,8 +1601,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6543,
-  serialized_end=6593,
+  serialized_start=6608,
+  serialized_end=6658,
 )
 
 
@@ -1632,8 +1633,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6595,
-  serialized_end=6626,
+  serialized_start=6660,
+  serialized_end=6691,
 )
 
 _VIRTUALSERVICE.fields_by_name['http'].message_type = _HTTPROUTE
@@ -1983,6 +1984,7 @@
 
 
 DESCRIPTOR._options = None
+_VIRTUALSERVICE.fields_by_name['export_to']._options = None
 _DESTINATION.fields_by_name['host']._options = None
 _HTTPROUTE.fields_by_name['mirror_percent']._options = None
 _HEADERS_HEADEROPERATIONS_SETENTRY._options = None