diff --git a/finsy/proto/p4/config/v1/p4info.proto b/finsy/proto/p4/config/v1/p4info.proto
index 3ae3ee66..8119be17 100644
--- a/finsy/proto/p4/config/v1/p4info.proto
+++ b/finsy/proto/p4/config/v1/p4info.proto
@@ -49,6 +49,7 @@ message Documentation {
 }
 
 // Used to describe the required properties of the underlying platform.
+// Added in v1.4.0
 message PlatformProperties {
   // The minimum number of multicast entries (i.e. multicast groups) that the
   // platform is required to support. If 0, there are no requirements.
@@ -90,6 +91,7 @@ message PkgInfo {
   // If set, specifies the properties that the underlying platform should have.
   // If the platform does not conform to these properties, the server should
   // reject the P4Info when used with a SetForwardingPipelineConfigRequest.
+  // Added in 1.4.0
   PlatformProperties platform_properties = 11;
 }
 
@@ -321,11 +323,13 @@ message ActionProfile {
   // indicates that `size` and `max_group_size` represent the maximum sum of
   // weights that can be present across all selector groups and within a
   // single selector group respectively.
+  // Added in v1.4.0
   message SumOfWeights {}
 
   // indicates that `size` and `max_group_size` represent the maximum number
   // of members that can be present across all selector groups and within a
   // single selector group respectively.
+  // Added in v1.4.0
   message SumOfMembers {
     // the maximum weight of each individual member in a group.
     int32 max_member_weight = 1;
@@ -334,8 +338,10 @@ message ActionProfile {
   // specifies the semantics of `size` and `max_group_size` above
   oneof selector_size_semantics {
     // group size is the sum of the group's weights.
+    // Added in v1.4.0
     SumOfWeights sum_of_weights = 6;
     // group size is the sum of the group's members.
+    // Added in v1.4.0
     SumOfMembers sum_of_members = 7;
   }
 }
diff --git a/finsy/proto/p4/config/v1/p4info_pb2.pyi b/finsy/proto/p4/config/v1/p4info_pb2.pyi
index 2dcaad48..3e171a6e 100644
--- a/finsy/proto/p4/config/v1/p4info_pb2.pyi
+++ b/finsy/proto/p4/config/v1/p4info_pb2.pyi
@@ -114,7 +114,9 @@ global___Documentation = Documentation
 
 @typing.final
 class PlatformProperties(google.protobuf.message.Message):
-    """Used to describe the required properties of the underlying platform."""
+    """Used to describe the required properties of the underlying platform.
+    Added in v1.4.0
+    """
 
     DESCRIPTOR: google.protobuf.descriptor.Descriptor
 
@@ -201,6 +203,7 @@ class PkgInfo(google.protobuf.message.Message):
         """If set, specifies the properties that the underlying platform should have.
         If the platform does not conform to these properties, the server should
         reject the P4Info when used with a SetForwardingPipelineConfigRequest.
+        Added in 1.4.0
         """
 
     def __init__(
@@ -777,6 +780,7 @@ class ActionProfile(google.protobuf.message.Message):
         """indicates that `size` and `max_group_size` represent the maximum sum of
         weights that can be present across all selector groups and within a
         single selector group respectively.
+        Added in v1.4.0
         """
 
         DESCRIPTOR: google.protobuf.descriptor.Descriptor
@@ -790,6 +794,7 @@ class ActionProfile(google.protobuf.message.Message):
         """indicates that `size` and `max_group_size` represent the maximum number
         of members that can be present across all selector groups and within a
         single selector group respectively.
+        Added in v1.4.0
         """
 
         DESCRIPTOR: google.protobuf.descriptor.Descriptor
@@ -830,11 +835,15 @@ class ActionProfile(google.protobuf.message.Message):
 
     @property
     def sum_of_weights(self) -> global___ActionProfile.SumOfWeights:
-        """group size is the sum of the group's weights."""
+        """group size is the sum of the group's weights.
+        Added in v1.4.0
+        """
 
     @property
     def sum_of_members(self) -> global___ActionProfile.SumOfMembers:
-        """group size is the sum of the group's members."""
+        """group size is the sum of the group's members.
+        Added in v1.4.0
+        """
 
     def __init__(
         self,
diff --git a/finsy/proto/p4/v1/p4runtime.proto b/finsy/proto/p4/v1/p4runtime.proto
index f41a1ab5..2fc4f3c8 100644
--- a/finsy/proto/p4/v1/p4runtime.proto
+++ b/finsy/proto/p4/v1/p4runtime.proto
@@ -58,7 +58,9 @@ service P4Runtime {
 //------------------------------------------------------------------------------
 message WriteRequest {
   uint64 device_id = 1;
-  uint64 role_id = 2 [deprecated = true];
+  // Deprecated in v1.4.0
+  uint64 role_id = 2 [deprecated=true];
+  // Added in v1.4.0
   string role = 6;
   Uint128 election_id = 3;
   // The write batch, comprising a list of Update operations. The P4Runtime
@@ -98,6 +100,7 @@ message WriteResponse {}
 message ReadRequest {
   uint64 device_id = 1;
   // When specified, only return table entries for the given role.
+  // Added in 1.4.0.
   string role = 3;
   repeated Entity entities = 2;
 }
@@ -184,6 +187,7 @@ message TableEntry {
   MeterConfig meter_config = 6;
   CounterData counter_data = 7;
   // Per color counters for tables with a direct meter.
+  // Added in v1.4.0
   MeterCounterData meter_counter_data = 12;
   // Set to true if the table entry is being used to update the non-const
   // default action of the table. If true, the "match" field must be empty and
@@ -342,6 +346,7 @@ message MeterEntry {
   uint32 meter_id = 1;
   Index index = 2;
   MeterConfig config = 3;
+  // Added in v1.4.0
   MeterCounterData counter_data = 4;
 }
 
@@ -358,6 +363,7 @@ message DirectMeterEntry {
   // table_entry.action is ignored. Other fields specify the match.
   TableEntry table_entry = 1;
   MeterConfig config = 2;
+  // Added in v1.4.0
   MeterCounterData counter_data = 3;
 }
 
@@ -424,6 +430,7 @@ message CounterData {
   int64 packet_count = 2;
 }
 
+// Added in v1.4.0
 message MeterCounterData {
   CounterData green = 1;
   CounterData yellow = 2;
@@ -444,7 +451,9 @@ message PacketReplicationEngineEntry {
 message Replica {
   oneof port_kind {
     // Using uint32 as ports is deprecated, use port field instead.
-    uint32 egress_port = 1 [deprecated = true];
+    // Deprecated in v1.4.0
+    uint32 egress_port = 1 [deprecated=true];
+    // Added in v1.4.0
     bytes port = 3;
   }
   uint32 instance = 2;
@@ -625,7 +634,9 @@ message MasterArbitrationUpdate {
 
 message Role {
   // Uniquely identifies this role.
-  uint64 id = 1 [deprecated = true];
+  // Deprecated in 1.4.0.
+  uint64 id = 1 [deprecated=true];
+  // Added in 1.4.0.
   string name = 3;
   // Describes the role configuration, i.e. what operations, P4 entities,
   // behaviors, etc. are in the scope of a given role. If config is not set
@@ -729,7 +740,9 @@ message SetForwardingPipelineConfigRequest {
     RECONCILE_AND_COMMIT = 5;
   }
   uint64 device_id = 1;
-  uint64 role_id = 2 [deprecated = true];
+  // Deprecated in 1.4.0.
+  uint64 role_id = 2 [deprecated=true];
+  // Added in 1.4.0.
   string role = 6;
   Uint128 election_id = 3;
   Action action = 4;
diff --git a/finsy/proto/p4/v1/p4runtime_pb2.pyi b/finsy/proto/p4/v1/p4runtime_pb2.pyi
index 8d8f6af8..903e635e 100644
--- a/finsy/proto/p4/v1/p4runtime_pb2.pyi
+++ b/finsy/proto/p4/v1/p4runtime_pb2.pyi
@@ -134,7 +134,9 @@ class WriteRequest(google.protobuf.message.Message):
     ATOMICITY_FIELD_NUMBER: builtins.int
     device_id: builtins.int
     role_id: builtins.int
+    """Deprecated in v1.4.0"""
     role: builtins.str
+    """Added in v1.4.0"""
     atomicity: global___WriteRequest.Atomicity.ValueType
     @property
     def election_id(self) -> global___Uint128: ...
@@ -179,7 +181,9 @@ class ReadRequest(google.protobuf.message.Message):
     ENTITIES_FIELD_NUMBER: builtins.int
     device_id: builtins.int
     role: builtins.str
-    """When specified, only return table entries for the given role."""
+    """When specified, only return table entries for the given role.
+    Added in 1.4.0.
+    """
     @property
     def entities(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[global___Entity]: ...
     def __init__(
@@ -443,7 +447,9 @@ class TableEntry(google.protobuf.message.Message):
     def counter_data(self) -> global___CounterData: ...
     @property
     def meter_counter_data(self) -> global___MeterCounterData:
-        """Per color counters for tables with a direct meter."""
+        """Per color counters for tables with a direct meter.
+        Added in v1.4.0
+        """
 
     @property
     def time_since_last_hit(self) -> global___TableEntry.IdleTimeout:
@@ -846,7 +852,9 @@ class MeterEntry(google.protobuf.message.Message):
     @property
     def config(self) -> global___MeterConfig: ...
     @property
-    def counter_data(self) -> global___MeterCounterData: ...
+    def counter_data(self) -> global___MeterCounterData:
+        """Added in v1.4.0"""
+
     def __init__(
         self,
         *,
@@ -886,7 +894,9 @@ class DirectMeterEntry(google.protobuf.message.Message):
     @property
     def config(self) -> global___MeterConfig: ...
     @property
-    def counter_data(self) -> global___MeterCounterData: ...
+    def counter_data(self) -> global___MeterCounterData:
+        """Added in v1.4.0"""
+
     def __init__(
         self,
         *,
@@ -1039,6 +1049,8 @@ global___CounterData = CounterData
 
 @typing.final
 class MeterCounterData(google.protobuf.message.Message):
+    """Added in v1.4.0"""
+
     DESCRIPTOR: google.protobuf.descriptor.Descriptor
 
     GREEN_FIELD_NUMBER: builtins.int
@@ -1099,8 +1111,11 @@ class Replica(google.protobuf.message.Message):
     PORT_FIELD_NUMBER: builtins.int
     INSTANCE_FIELD_NUMBER: builtins.int
     egress_port: builtins.int
-    """Using uint32 as ports is deprecated, use port field instead."""
+    """Using uint32 as ports is deprecated, use port field instead.
+    Deprecated in v1.4.0
+    """
     port: builtins.bytes
+    """Added in v1.4.0"""
     instance: builtins.int
     def __init__(
         self,
@@ -1585,8 +1600,11 @@ class Role(google.protobuf.message.Message):
     NAME_FIELD_NUMBER: builtins.int
     CONFIG_FIELD_NUMBER: builtins.int
     id: builtins.int
-    """Uniquely identifies this role."""
+    """Uniquely identifies this role.
+    Deprecated in 1.4.0.
+    """
     name: builtins.str
+    """Added in 1.4.0."""
     @property
     def config(self) -> google.protobuf.any_pb2.Any:
         """Describes the role configuration, i.e. what operations, P4 entities,
@@ -1859,7 +1877,9 @@ class SetForwardingPipelineConfigRequest(google.protobuf.message.Message):
     CONFIG_FIELD_NUMBER: builtins.int
     device_id: builtins.int
     role_id: builtins.int
+    """Deprecated in 1.4.0."""
     role: builtins.str
+    """Added in 1.4.0."""
     action: global___SetForwardingPipelineConfigRequest.Action.ValueType
     @property
     def election_id(self) -> global___Uint128: ...