Merge pull request #25131 from jtattermusch/protobuf_3_14_upgrade_for_1_35

Upgrade third_party/protobuf to v3.14.0 (for v1.35.x)

bazel/grpc_deps.bzl

@@ -169,12 +169,14 @@ def grpc_deps():
     if "com_google_protobuf" not in native.existing_rules():
         http_archive(
             name = "com_google_protobuf",
-            sha256 = "e589e39ef46fb2b3b476b3ca355bd324e5984cbdfac19f0e1625f0042e99c276",
-            strip_prefix = "protobuf-fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a",
+            sha256 = "88f7b3d062759e9428394cd2b854722c7142de6d9ea1cc0514a251dcec91bc0b",
+            strip_prefix = "protobuf-19fb89416f3fdc2d6668f3738f444885575285bc",
             urls = [
-                "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/protobuf/archive/fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a.tar.gz",
-                "https://github.com/google/protobuf/archive/fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a.tar.gz",
+                "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/protobuf/archive/19fb89416f3fdc2d6668f3738f444885575285bc.tar.gz",
+                "https://github.com/google/protobuf/archive/19fb89416f3fdc2d6668f3738f444885575285bc.tar.gz",
             ],
+            patches = ["@com_github_grpc_grpc//third_party:protobuf.patch"],
+            patch_args = ["-p1"],
         )
 
     if "com_google_googletest" not in native.existing_rules():

build_handwritten.yaml

@@ -15,7 +15,7 @@ settings:
   core_version: 14.0.0
   csharp_major_version: 2
   g_stands_for: gecko
-  protobuf_version: 3.13.0
+  protobuf_version: 3.14.0
   version: 1.35.0-pre1
 targets:
 - name: check_epollexclusive

grpc.gemspec

@@ -32,7 +32,7 @@ Gem::Specification.new do |s|
   s.require_paths = %w( src/ruby/lib src/ruby/bin src/ruby/pb )
   s.platform      = Gem::Platform::RUBY
 
-  s.add_dependency 'google-protobuf', '~> 3.13'
+  s.add_dependency 'google-protobuf', '~> 3.14'
   s.add_dependency 'googleapis-common-protos-types', '~> 1.0'
 
   s.add_development_dependency 'bundler',            '>= 1.9'

src/core/ext/upbdefs-generated/google/protobuf/any.upbdefs.c

@@ -15,15 +15,16 @@ static const upb_msglayout *layouts[1] = {
   &google_protobuf_Any_msginit,
 };
 
-static const char descriptor[221] = {'\n', '\031', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'a', 'n', 'y', '.', 'p', 'r', 'o', 
+static const char descriptor[228] = {'\n', '\031', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'a', 'n', 'y', '.', 'p', 'r', 'o', 
 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\"', '6', '\n', '\003', 'A', 'n', 
 'y', '\022', '\031', '\n', '\010', 't', 'y', 'p', 'e', '_', 'u', 'r', 'l', '\030', '\001', ' ', '\001', '(', '\t', 'R', '\007', 't', 'y', 'p', 'e', 
 'U', 'r', 'l', '\022', '\024', '\n', '\005', 'v', 'a', 'l', 'u', 'e', '\030', '\002', ' ', '\001', '(', '\014', 'R', '\005', 'v', 'a', 'l', 'u', 'e', 
-'B', 'o', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\010', 
-'A', 'n', 'y', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '%', 'g', 'i', 't', 'h', 'u', 'b', '.', 'c', 'o', 'm', '/', 'g', 'o', 
-'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'p', 't', 'y', 'p', 'e', 's', '/', 'a', 'n', 'y', '\242', 
-'\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 
-'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'B', 'v', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\010', 
+'A', 'n', 'y', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', ',', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n', 'g', 
+'.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'k', 'n', 'o', 'w', 'n', 
+'/', 'a', 'n', 'y', 'p', 'b', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 
+'t', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 
+'t', 'o', '3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -34,5 +35,5 @@ upb_def_init google_protobuf_any_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/any.proto",
-  UPB_STRVIEW_INIT(descriptor, 221)
+  UPB_STRVIEW_INIT(descriptor, 228)
 };

src/core/ext/upbdefs-generated/google/protobuf/descriptor.upbdefs.c

@@ -67,7 +67,7 @@ static const upb_msglayout *layouts[27] = {
   &google_protobuf_GeneratedCodeInfo_Annotation_msginit,
 };
 
-static const char descriptor[7619] = {'\n', ' ', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'd', 'e', 's', 'c', 'r', 'i', 'p', 
+static const char descriptor[7601] = {'\n', ' ', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'd', 'e', 's', 'c', 'r', 'i', 'p', 
 't', 'o', 'r', '.', 'p', 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 
 'f', '\"', 'M', '\n', '\021', 'F', 'i', 'l', 'e', 'D', 'e', 's', 'c', 'r', 'i', 'p', 't', 'o', 'r', 'S', 'e', 't', '\022', '8', '\n', 
 '\004', 'f', 'i', 'l', 'e', '\030', '\001', ' ', '\003', '(', '\013', '2', '$', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 
@@ -365,13 +365,13 @@ static const char descriptor[7619] = {'\n', ' ', 'g', 'o', 'o', 'g', 'l', 'e', '
 'n', '\022', '\026', '\n', '\004', 'p', 'a', 't', 'h', '\030', '\001', ' ', '\003', '(', '\005', 'B', '\002', '\020', '\001', 'R', '\004', 'p', 'a', 't', 'h', 
 '\022', '\037', '\n', '\013', 's', 'o', 'u', 'r', 'c', 'e', '_', 'f', 'i', 'l', 'e', '\030', '\002', ' ', '\001', '(', '\t', 'R', '\n', 's', 'o', 
 'u', 'r', 'c', 'e', 'F', 'i', 'l', 'e', '\022', '\024', '\n', '\005', 'b', 'e', 'g', 'i', 'n', '\030', '\003', ' ', '\001', '(', '\005', 'R', '\005', 
-'b', 'e', 'g', 'i', 'n', '\022', '\020', '\n', '\003', 'e', 'n', 'd', '\030', '\004', ' ', '\001', '(', '\005', 'R', '\003', 'e', 'n', 'd', 'B', '\217', 
-'\001', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\020', 'D', 
-'e', 's', 'c', 'r', 'i', 'p', 't', 'o', 'r', 'P', 'r', 'o', 't', 'o', 's', 'H', '\001', 'Z', '>', 'g', 'i', 't', 'h', 'u', 'b', 
-'.', 'c', 'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'p', 'r', 'o', 't', 
-'o', 'c', '-', 'g', 'e', 'n', '-', 'g', 'o', '/', 'd', 'e', 's', 'c', 'r', 'i', 'p', 't', 'o', 'r', ';', 'd', 'e', 's', 'c', 
-'r', 'i', 'p', 't', 'o', 'r', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\032', 'G', 'o', 'o', 'g', 'l', 'e', '.', 
-'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'R', 'e', 'f', 'l', 'e', 'c', 't', 'i', 'o', 'n', 
+'b', 'e', 'g', 'i', 'n', '\022', '\020', '\n', '\003', 'e', 'n', 'd', '\030', '\004', ' ', '\001', '(', '\005', 'R', '\003', 'e', 'n', 'd', 'B', '~', 
+'\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\020', 'D', 'e', 
+'s', 'c', 'r', 'i', 'p', 't', 'o', 'r', 'P', 'r', 'o', 't', 'o', 's', 'H', '\001', 'Z', '-', 'g', 'o', 'o', 'g', 'l', 'e', '.', 
+'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', 
+'/', 'd', 'e', 's', 'c', 'r', 'i', 'p', 't', 'o', 'r', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\032', 
+'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'R', 'e', 'f', 'l', 'e', 'c', 't', 'i', 'o', 
+'n', 
 };
 
 static upb_def_init *deps[1] = {
@@ -382,5 +382,5 @@ upb_def_init google_protobuf_descriptor_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/descriptor.proto",
-  UPB_STRVIEW_INIT(descriptor, 7619)
+  UPB_STRVIEW_INIT(descriptor, 7601)
 };

src/core/ext/upbdefs-generated/google/protobuf/duration.upbdefs.c

@@ -15,16 +15,17 @@ static const upb_msglayout *layouts[1] = {
   &google_protobuf_Duration_msginit,
 };
 
-static const char descriptor[243] = {'\n', '\036', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'd', 'u', 'r', 'a', 't', 'i', 'o', 
+static const char descriptor[251] = {'\n', '\036', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'd', 'u', 'r', 'a', 't', 'i', 'o', 
 'n', '.', 'p', 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\"', 
 ':', '\n', '\010', 'D', 'u', 'r', 'a', 't', 'i', 'o', 'n', '\022', '\030', '\n', '\007', 's', 'e', 'c', 'o', 'n', 'd', 's', '\030', '\001', ' ', 
 '\001', '(', '\003', 'R', '\007', 's', 'e', 'c', 'o', 'n', 'd', 's', '\022', '\024', '\n', '\005', 'n', 'a', 'n', 'o', 's', '\030', '\002', ' ', '\001', 
-'(', '\005', 'R', '\005', 'n', 'a', 'n', 'o', 's', 'B', '|', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 
-'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\r', 'D', 'u', 'r', 'a', 't', 'i', 'o', 'n', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', 
-'*', 'g', 'i', 't', 'h', 'u', 'b', '.', 'c', 'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 
-'u', 'f', '/', 'p', 't', 'y', 'p', 'e', 's', '/', 'd', 'u', 'r', 'a', 't', 'i', 'o', 'n', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 
-'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 
-'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'(', '\005', 'R', '\005', 'n', 'a', 'n', 'o', 's', 'B', '\203', '\001', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 
+'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\r', 'D', 'u', 'r', 'a', 't', 'i', 'o', 'n', 'P', 'r', 'o', 't', 'o', 'P', '\001', 
+'Z', '1', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 
+'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'k', 'n', 'o', 'w', 'n', '/', 'd', 'u', 'r', 'a', 't', 'i', 'o', 'n', 'p', 
+'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 
+'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', 
+'3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -35,5 +36,5 @@ upb_def_init google_protobuf_duration_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/duration.proto",
-  UPB_STRVIEW_INIT(descriptor, 243)
+  UPB_STRVIEW_INIT(descriptor, 251)
 };

src/core/ext/upbdefs-generated/google/protobuf/empty.upbdefs.c

@@ -15,14 +15,14 @@ static const upb_msglayout *layouts[1] = {
   &google_protobuf_Empty_msginit,
 };
 
-static const char descriptor[183] = {'\n', '\033', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'e', 'm', 'p', 't', 'y', '.', 'p', 
+static const char descriptor[190] = {'\n', '\033', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'e', 'm', 'p', 't', 'y', '.', 'p', 
 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\"', '\007', '\n', '\005', 
-'E', 'm', 'p', 't', 'y', 'B', 'v', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 
-'b', 'u', 'f', 'B', '\n', 'E', 'm', 'p', 't', 'y', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '\'', 'g', 'i', 't', 'h', 'u', 'b', 
-'.', 'c', 'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'p', 't', 'y', 'p', 
-'e', 's', '/', 'e', 'm', 'p', 't', 'y', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 
-'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 
-'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'E', 'm', 'p', 't', 'y', 'B', '}', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 
+'b', 'u', 'f', 'B', '\n', 'E', 'm', 'p', 't', 'y', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '.', 'g', 'o', 'o', 'g', 'l', 'e', 
+'.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 
+'s', '/', 'k', 'n', 'o', 'w', 'n', '/', 'e', 'm', 'p', 't', 'y', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', 
+'\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 
+'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -33,5 +33,5 @@ upb_def_init google_protobuf_empty_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/empty.proto",
-  UPB_STRVIEW_INIT(descriptor, 183)
+  UPB_STRVIEW_INIT(descriptor, 190)
 };

src/core/ext/upbdefs-generated/google/protobuf/struct.upbdefs.c

@@ -21,7 +21,7 @@ static const upb_msglayout *layouts[4] = {
   &google_protobuf_ListValue_msginit,
 };
 
-static const char descriptor[741] = {'\n', '\034', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 's', 't', 'r', 'u', 'c', 't', '.', 
+static const char descriptor[738] = {'\n', '\034', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 's', 't', 'r', 'u', 'c', 't', '.', 
 'p', 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\"', '\230', '\001', 
 '\n', '\006', 'S', 't', 'r', 'u', 'c', 't', '\022', ';', '\n', '\006', 'f', 'i', 'e', 'l', 'd', 's', '\030', '\001', ' ', '\003', '(', '\013', '2', 
 '#', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'S', 't', 'r', 'u', 'c', 't', '.', 
@@ -45,12 +45,12 @@ static const char descriptor[741] = {'\n', '\034', 'g', 'o', 'o', 'g', 'l', 'e',
 '.', '\n', '\006', 'v', 'a', 'l', 'u', 'e', 's', '\030', '\001', ' ', '\003', '(', '\013', '2', '\026', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 
 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'V', 'a', 'l', 'u', 'e', 'R', '\006', 'v', 'a', 'l', 'u', 'e', 's', '*', '\033', '\n', 
 '\t', 'N', 'u', 'l', 'l', 'V', 'a', 'l', 'u', 'e', '\022', '\016', '\n', '\n', 'N', 'U', 'L', 'L', '_', 'V', 'A', 'L', 'U', 'E', '\020', 
-'\000', 'B', '\201', '\001', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 
-'B', '\013', 'S', 't', 'r', 'u', 'c', 't', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '1', 'g', 'i', 't', 'h', 'u', 'b', '.', 'c', 
-'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'p', 't', 'y', 'p', 'e', 's', 
-'/', 's', 't', 'r', 'u', 'c', 't', ';', 's', 't', 'r', 'u', 'c', 't', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', 
-'\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 
-'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'\000', 'B', '\177', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', 
+'\013', 'S', 't', 'r', 'u', 'c', 't', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '/', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 
+'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'k', 
+'n', 'o', 'w', 'n', '/', 's', 't', 'r', 'u', 'c', 't', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 
+'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 
+'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -61,5 +61,5 @@ upb_def_init google_protobuf_struct_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/struct.proto",
-  UPB_STRVIEW_INIT(descriptor, 741)
+  UPB_STRVIEW_INIT(descriptor, 738)
 };

src/core/ext/upbdefs-generated/google/protobuf/timestamp.upbdefs.c

@@ -15,16 +15,17 @@ static const upb_msglayout *layouts[1] = {
   &google_protobuf_Timestamp_msginit,
 };
 
-static const char descriptor[247] = {'\n', '\037', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'i', 'm', 'e', 's', 't', 'a', 
+static const char descriptor[255] = {'\n', '\037', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'i', 'm', 'e', 's', 't', 'a', 
 'm', 'p', '.', 'p', 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 
 '\"', ';', '\n', '\t', 'T', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', '\022', '\030', '\n', '\007', 's', 'e', 'c', 'o', 'n', 'd', 's', '\030', 
 '\001', ' ', '\001', '(', '\003', 'R', '\007', 's', 'e', 'c', 'o', 'n', 'd', 's', '\022', '\024', '\n', '\005', 'n', 'a', 'n', 'o', 's', '\030', '\002', 
-' ', '\001', '(', '\005', 'R', '\005', 'n', 'a', 'n', 'o', 's', 'B', '~', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', 
-'.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\016', 'T', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'P', 'r', 'o', 't', 'o', 
-'P', '\001', 'Z', '+', 'g', 'i', 't', 'h', 'u', 'b', '.', 'c', 'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 
-'t', 'o', 'b', 'u', 'f', '/', 'p', 't', 'y', 'p', 'e', 's', '/', 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', '\370', '\001', '\001', 
-'\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 
-'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+' ', '\001', '(', '\005', 'R', '\005', 'n', 'a', 'n', 'o', 's', 'B', '\205', '\001', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 
+'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\016', 'T', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'P', 'r', 'o', 't', 
+'o', 'P', '\001', 'Z', '2', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 
+'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'k', 'n', 'o', 'w', 'n', '/', 't', 'i', 'm', 'e', 's', 't', 
+'a', 'm', 'p', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 
+'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 
+'r', 'o', 't', 'o', '3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -35,5 +36,5 @@ upb_def_init google_protobuf_timestamp_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/timestamp.proto",
-  UPB_STRVIEW_INIT(descriptor, 247)
+  UPB_STRVIEW_INIT(descriptor, 255)
 };

src/core/ext/upbdefs-generated/google/protobuf/wrappers.upbdefs.c

@@ -31,7 +31,7 @@ static const upb_msglayout *layouts[9] = {
   &google_protobuf_BytesValue_msginit,
 };
 
-static const char descriptor[510] = {'\n', '\036', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'w', 'r', 'a', 'p', 'p', 'e', 'r', 
+static const char descriptor[518] = {'\n', '\036', 'g', 'o', 'o', 'g', 'l', 'e', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'w', 'r', 'a', 'p', 'p', 'e', 'r', 
 's', '.', 'p', 'r', 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\"', 
 '#', '\n', '\013', 'D', 'o', 'u', 'b', 'l', 'e', 'V', 'a', 'l', 'u', 'e', '\022', '\024', '\n', '\005', 'v', 'a', 'l', 'u', 'e', '\030', '\001', 
 ' ', '\001', '(', '\001', 'R', '\005', 'v', 'a', 'l', 'u', 'e', '\"', '\"', '\n', '\n', 'F', 'l', 'o', 'a', 't', 'V', 'a', 'l', 'u', 'e', 
@@ -46,12 +46,12 @@ static const char descriptor[510] = {'\n', '\036', 'g', 'o', 'o', 'g', 'l', 'e',
 'l', 'u', 'e', '\"', '#', '\n', '\013', 'S', 't', 'r', 'i', 'n', 'g', 'V', 'a', 'l', 'u', 'e', '\022', '\024', '\n', '\005', 'v', 'a', 'l', 
 'u', 'e', '\030', '\001', ' ', '\001', '(', '\t', 'R', '\005', 'v', 'a', 'l', 'u', 'e', '\"', '\"', '\n', '\n', 'B', 'y', 't', 'e', 's', 'V', 
 'a', 'l', 'u', 'e', '\022', '\024', '\n', '\005', 'v', 'a', 'l', 'u', 'e', '\030', '\001', ' ', '\001', '(', '\014', 'R', '\005', 'v', 'a', 'l', 'u', 
-'e', 'B', '|', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', 
-'\r', 'W', 'r', 'a', 'p', 'p', 'e', 'r', 's', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '*', 'g', 'i', 't', 'h', 'u', 'b', '.', 
-'c', 'o', 'm', '/', 'g', 'o', 'l', 'a', 'n', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 'p', 't', 'y', 'p', 'e', 
-'s', '/', 'w', 'r', 'a', 'p', 'p', 'e', 'r', 's', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 
-'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 
-'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'e', 'B', '\203', '\001', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 
+'B', '\r', 'W', 'r', 'a', 'p', 'p', 'e', 'r', 's', 'P', 'r', 'o', 't', 'o', 'P', '\001', 'Z', '1', 'g', 'o', 'o', 'g', 'l', 'e', 
+'.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 
+'s', '/', 'k', 'n', 'o', 'w', 'n', '/', 'w', 'r', 'a', 'p', 'p', 'e', 'r', 's', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 
+'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 
+'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
 };
 
 static upb_def_init *deps[1] = {
@@ -62,5 +62,5 @@ upb_def_init google_protobuf_wrappers_proto_upbdefinit = {
   deps,
   layouts,
   "google/protobuf/wrappers.proto",
-  UPB_STRVIEW_INIT(descriptor, 510)
+  UPB_STRVIEW_INIT(descriptor, 518)
 };

src/cpp/Protobuf-C++.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Protobuf-C++'
-  s.version  = '3.13.0'
+  s.version  = '3.14.0'
   s.summary  = 'Protocol Buffers v3 runtime library for C++.'
   s.homepage = 'https://github.com/google/protobuf'
   s.license  = '3-Clause BSD License'

src/csharp/Grpc.IntegrationTesting/Test.cs

@@ -47,13 +47,19 @@ namespace Grpc.Testing {
             "bmcuRW1wdHkaEy5ncnBjLnRlc3RpbmcuRW1wdHkyiQEKEFJlY29ubmVjdFNl",
             "cnZpY2USOwoFU3RhcnQSHS5ncnBjLnRlc3RpbmcuUmVjb25uZWN0UGFyYW1z",
             "GhMuZ3JwYy50ZXN0aW5nLkVtcHR5EjgKBFN0b3ASEy5ncnBjLnRlc3Rpbmcu",
-            "RW1wdHkaGy5ncnBjLnRlc3RpbmcuUmVjb25uZWN0SW5mbzJ/ChhMb2FkQmFs",
-            "YW5jZXJTdGF0c1NlcnZpY2USYwoOR2V0Q2xpZW50U3RhdHMSJi5ncnBjLnRl",
-            "c3RpbmcuTG9hZEJhbGFuY2VyU3RhdHNSZXF1ZXN0GicuZ3JwYy50ZXN0aW5n",
-            "LkxvYWRCYWxhbmNlclN0YXRzUmVzcG9uc2UiADKLAQoWWGRzVXBkYXRlSGVh",
-            "bHRoU2VydmljZRI2CgpTZXRTZXJ2aW5nEhMuZ3JwYy50ZXN0aW5nLkVtcHR5",
-            "GhMuZ3JwYy50ZXN0aW5nLkVtcHR5EjkKDVNldE5vdFNlcnZpbmcSEy5ncnBj",
-            "LnRlc3RpbmcuRW1wdHkaEy5ncnBjLnRlc3RpbmcuRW1wdHliBnByb3RvMw=="));
+            "RW1wdHkaGy5ncnBjLnRlc3RpbmcuUmVjb25uZWN0SW5mbzKGAgoYTG9hZEJh",
+            "bGFuY2VyU3RhdHNTZXJ2aWNlEmMKDkdldENsaWVudFN0YXRzEiYuZ3JwYy50",
+            "ZXN0aW5nLkxvYWRCYWxhbmNlclN0YXRzUmVxdWVzdBonLmdycGMudGVzdGlu",
+            "Zy5Mb2FkQmFsYW5jZXJTdGF0c1Jlc3BvbnNlIgAShAEKGUdldENsaWVudEFj",
+            "Y3VtdWxhdGVkU3RhdHMSMS5ncnBjLnRlc3RpbmcuTG9hZEJhbGFuY2VyQWNj",
+            "dW11bGF0ZWRTdGF0c1JlcXVlc3QaMi5ncnBjLnRlc3RpbmcuTG9hZEJhbGFu",
+            "Y2VyQWNjdW11bGF0ZWRTdGF0c1Jlc3BvbnNlIgAyiwEKFlhkc1VwZGF0ZUhl",
+            "YWx0aFNlcnZpY2USNgoKU2V0U2VydmluZxITLmdycGMudGVzdGluZy5FbXB0",
+            "eRoTLmdycGMudGVzdGluZy5FbXB0eRI5Cg1TZXROb3RTZXJ2aW5nEhMuZ3Jw",
+            "Yy50ZXN0aW5nLkVtcHR5GhMuZ3JwYy50ZXN0aW5nLkVtcHR5MnsKH1hkc1Vw",
+            "ZGF0ZUNsaWVudENvbmZpZ3VyZVNlcnZpY2USWAoJQ29uZmlndXJlEiQuZ3Jw",
+            "Yy50ZXN0aW5nLkNsaWVudENvbmZpZ3VyZVJlcXVlc3QaJS5ncnBjLnRlc3Rp",
+            "bmcuQ2xpZW50Q29uZmlndXJlUmVzcG9uc2ViBnByb3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.EmptyReflection.Descriptor, global::Grpc.Testing.MessagesReflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(null, null, null));

src/csharp/Grpc.IntegrationTesting/TestGrpc.cs

@@ -947,6 +947,8 @@ namespace Grpc.Testing {
 
     static readonly grpc::Marshaller<global::Grpc.Testing.LoadBalancerStatsRequest> __Marshaller_grpc_testing_LoadBalancerStatsRequest = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.LoadBalancerStatsRequest.Parser));
     static readonly grpc::Marshaller<global::Grpc.Testing.LoadBalancerStatsResponse> __Marshaller_grpc_testing_LoadBalancerStatsResponse = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.LoadBalancerStatsResponse.Parser));
+    static readonly grpc::Marshaller<global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest> __Marshaller_grpc_testing_LoadBalancerAccumulatedStatsRequest = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest.Parser));
+    static readonly grpc::Marshaller<global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse> __Marshaller_grpc_testing_LoadBalancerAccumulatedStatsResponse = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse.Parser));
 
     static readonly grpc::Method<global::Grpc.Testing.LoadBalancerStatsRequest, global::Grpc.Testing.LoadBalancerStatsResponse> __Method_GetClientStats = new grpc::Method<global::Grpc.Testing.LoadBalancerStatsRequest, global::Grpc.Testing.LoadBalancerStatsResponse>(
         grpc::MethodType.Unary,
@@ -955,6 +957,13 @@ namespace Grpc.Testing {
         __Marshaller_grpc_testing_LoadBalancerStatsRequest,
         __Marshaller_grpc_testing_LoadBalancerStatsResponse);
 
+    static readonly grpc::Method<global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest, global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse> __Method_GetClientAccumulatedStats = new grpc::Method<global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest, global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse>(
+        grpc::MethodType.Unary,
+        __ServiceName,
+        "GetClientAccumulatedStats",
+        __Marshaller_grpc_testing_LoadBalancerAccumulatedStatsRequest,
+        __Marshaller_grpc_testing_LoadBalancerAccumulatedStatsResponse);
+
     /// <summary>Service descriptor</summary>
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
@@ -976,6 +985,17 @@ namespace Grpc.Testing {
         throw new grpc::RpcException(new grpc::Status(grpc::StatusCode.Unimplemented, ""));
       }
 
+      /// <summary>
+      /// Gets the accumulated stats for RPCs sent by a test client.
+      /// </summary>
+      /// <param name="request">The request received from the client.</param>
+      /// <param name="context">The context of the server-side call handler being invoked.</param>
+      /// <returns>The response to send back to the client (wrapped by a task).</returns>
+      public virtual global::System.Threading.Tasks.Task<global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse> GetClientAccumulatedStats(global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest request, grpc::ServerCallContext context)
+      {
+        throw new grpc::RpcException(new grpc::Status(grpc::StatusCode.Unimplemented, ""));
+      }
+
     }
 
     /// <summary>Client for LoadBalancerStatsService</summary>
@@ -1045,6 +1065,50 @@ namespace Grpc.Testing {
       {
         return CallInvoker.AsyncUnaryCall(__Method_GetClientStats, null, options, request);
       }
+      /// <summary>
+      /// Gets the accumulated stats for RPCs sent by a test client.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
+      /// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
+      /// <param name="cancellationToken">An optional token for canceling the call.</param>
+      /// <returns>The response received from the server.</returns>
+      public virtual global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse GetClientAccumulatedStats(global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest request, grpc::Metadata headers = null, global::System.DateTime? deadline = null, global::System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+      {
+        return GetClientAccumulatedStats(request, new grpc::CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      /// Gets the accumulated stats for RPCs sent by a test client.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="options">The options for the call.</param>
+      /// <returns>The response received from the server.</returns>
+      public virtual global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse GetClientAccumulatedStats(global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest request, grpc::CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_GetClientAccumulatedStats, null, options, request);
+      }
+      /// <summary>
+      /// Gets the accumulated stats for RPCs sent by a test client.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
+      /// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
+      /// <param name="cancellationToken">An optional token for canceling the call.</param>
+      /// <returns>The call object.</returns>
+      public virtual grpc::AsyncUnaryCall<global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse> GetClientAccumulatedStatsAsync(global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest request, grpc::Metadata headers = null, global::System.DateTime? deadline = null, global::System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+      {
+        return GetClientAccumulatedStatsAsync(request, new grpc::CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      /// Gets the accumulated stats for RPCs sent by a test client.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="options">The options for the call.</param>
+      /// <returns>The call object.</returns>
+      public virtual grpc::AsyncUnaryCall<global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse> GetClientAccumulatedStatsAsync(global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest request, grpc::CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_GetClientAccumulatedStats, null, options, request);
+      }
       /// <summary>Creates a new instance of client from given <c>ClientBaseConfiguration</c>.</summary>
       protected override LoadBalancerStatsServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
@@ -1057,7 +1121,8 @@ namespace Grpc.Testing {
     public static grpc::ServerServiceDefinition BindService(LoadBalancerStatsServiceBase serviceImpl)
     {
       return grpc::ServerServiceDefinition.CreateBuilder()
-          .AddMethod(__Method_GetClientStats, serviceImpl.GetClientStats).Build();
+          .AddMethod(__Method_GetClientStats, serviceImpl.GetClientStats)
+          .AddMethod(__Method_GetClientAccumulatedStats, serviceImpl.GetClientAccumulatedStats).Build();
     }
 
     /// <summary>Register service method with a service binder with or without implementation. Useful when customizing the  service binding logic.
@@ -1067,6 +1132,7 @@ namespace Grpc.Testing {
     public static void BindService(grpc::ServiceBinderBase serviceBinder, LoadBalancerStatsServiceBase serviceImpl)
     {
       serviceBinder.AddMethod(__Method_GetClientStats, serviceImpl == null ? null : new grpc::UnaryServerMethod<global::Grpc.Testing.LoadBalancerStatsRequest, global::Grpc.Testing.LoadBalancerStatsResponse>(serviceImpl.GetClientStats));
+      serviceBinder.AddMethod(__Method_GetClientAccumulatedStats, serviceImpl == null ? null : new grpc::UnaryServerMethod<global::Grpc.Testing.LoadBalancerAccumulatedStatsRequest, global::Grpc.Testing.LoadBalancerAccumulatedStatsResponse>(serviceImpl.GetClientAccumulatedStats));
     }
 
   }
@@ -1227,5 +1293,167 @@ namespace Grpc.Testing {
     }
 
   }
+  /// <summary>
+  /// A service to dynamically update the configuration of an xDS test client.
+  /// </summary>
+  public static partial class XdsUpdateClientConfigureService
+  {
+    static readonly string __ServiceName = "grpc.testing.XdsUpdateClientConfigureService";
+
+    static void __Helper_SerializeMessage(global::Google.Protobuf.IMessage message, grpc::SerializationContext context)
+    {
+      #if !GRPC_DISABLE_PROTOBUF_BUFFER_SERIALIZATION
+      if (message is global::Google.Protobuf.IBufferMessage)
+      {
+        context.SetPayloadLength(message.CalculateSize());
+        global::Google.Protobuf.MessageExtensions.WriteTo(message, context.GetBufferWriter());
+        context.Complete();
+        return;
+      }
+      #endif
+      context.Complete(global::Google.Protobuf.MessageExtensions.ToByteArray(message));
+    }
+
+    static class __Helper_MessageCache<T>
+    {
+      public static readonly bool IsBufferMessage = global::System.Reflection.IntrospectionExtensions.GetTypeInfo(typeof(global::Google.Protobuf.IBufferMessage)).IsAssignableFrom(typeof(T));
+    }
+
+    static T __Helper_DeserializeMessage<T>(grpc::DeserializationContext context, global::Google.Protobuf.MessageParser<T> parser) where T : global::Google.Protobuf.IMessage<T>
+    {
+      #if !GRPC_DISABLE_PROTOBUF_BUFFER_SERIALIZATION
+      if (__Helper_MessageCache<T>.IsBufferMessage)
+      {
+        return parser.ParseFrom(context.PayloadAsReadOnlySequence());
+      }
+      #endif
+      return parser.ParseFrom(context.PayloadAsNewBuffer());
+    }
+
+    static readonly grpc::Marshaller<global::Grpc.Testing.ClientConfigureRequest> __Marshaller_grpc_testing_ClientConfigureRequest = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.ClientConfigureRequest.Parser));
+    static readonly grpc::Marshaller<global::Grpc.Testing.ClientConfigureResponse> __Marshaller_grpc_testing_ClientConfigureResponse = grpc::Marshallers.Create(__Helper_SerializeMessage, context => __Helper_DeserializeMessage(context, global::Grpc.Testing.ClientConfigureResponse.Parser));
+
+    static readonly grpc::Method<global::Grpc.Testing.ClientConfigureRequest, global::Grpc.Testing.ClientConfigureResponse> __Method_Configure = new grpc::Method<global::Grpc.Testing.ClientConfigureRequest, global::Grpc.Testing.ClientConfigureResponse>(
+        grpc::MethodType.Unary,
+        __ServiceName,
+        "Configure",
+        __Marshaller_grpc_testing_ClientConfigureRequest,
+        __Marshaller_grpc_testing_ClientConfigureResponse);
+
+    /// <summary>Service descriptor</summary>
+    public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
+    {
+      get { return global::Grpc.Testing.TestReflection.Descriptor.Services[5]; }
+    }
+
+    /// <summary>Base class for server-side implementations of XdsUpdateClientConfigureService</summary>
+    [grpc::BindServiceMethod(typeof(XdsUpdateClientConfigureService), "BindService")]
+    public abstract partial class XdsUpdateClientConfigureServiceBase
+    {
+      /// <summary>
+      /// Update the tes client's configuration.
+      /// </summary>
+      /// <param name="request">The request received from the client.</param>
+      /// <param name="context">The context of the server-side call handler being invoked.</param>
+      /// <returns>The response to send back to the client (wrapped by a task).</returns>
+      public virtual global::System.Threading.Tasks.Task<global::Grpc.Testing.ClientConfigureResponse> Configure(global::Grpc.Testing.ClientConfigureRequest request, grpc::ServerCallContext context)
+      {
+        throw new grpc::RpcException(new grpc::Status(grpc::StatusCode.Unimplemented, ""));
+      }
+
+    }
+
+    /// <summary>Client for XdsUpdateClientConfigureService</summary>
+    public partial class XdsUpdateClientConfigureServiceClient : grpc::ClientBase<XdsUpdateClientConfigureServiceClient>
+    {
+      /// <summary>Creates a new client for XdsUpdateClientConfigureService</summary>
+      /// <param name="channel">The channel to use to make remote calls.</param>
+      public XdsUpdateClientConfigureServiceClient(grpc::ChannelBase channel) : base(channel)
+      {
+      }
+      /// <summary>Creates a new client for XdsUpdateClientConfigureService that uses a custom <c>CallInvoker</c>.</summary>
+      /// <param name="callInvoker">The callInvoker to use to make remote calls.</param>
+      public XdsUpdateClientConfigureServiceClient(grpc::CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      /// <summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected XdsUpdateClientConfigureServiceClient() : base()
+      {
+      }
+      /// <summary>Protected constructor to allow creation of configured clients.</summary>
+      /// <param name="configuration">The client configuration.</param>
+      protected XdsUpdateClientConfigureServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      /// <summary>
+      /// Update the tes client's configuration.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
+      /// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
+      /// <param name="cancellationToken">An optional token for canceling the call.</param>
+      /// <returns>The response received from the server.</returns>
+      public virtual global::Grpc.Testing.ClientConfigureResponse Configure(global::Grpc.Testing.ClientConfigureRequest request, grpc::Metadata headers = null, global::System.DateTime? deadline = null, global::System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+      {
+        return Configure(request, new grpc::CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      /// Update the tes client's configuration.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="options">The options for the call.</param>
+      /// <returns>The response received from the server.</returns>
+      public virtual global::Grpc.Testing.ClientConfigureResponse Configure(global::Grpc.Testing.ClientConfigureRequest request, grpc::CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_Configure, null, options, request);
+      }
+      /// <summary>
+      /// Update the tes client's configuration.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
+      /// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
+      /// <param name="cancellationToken">An optional token for canceling the call.</param>
+      /// <returns>The call object.</returns>
+      public virtual grpc::AsyncUnaryCall<global::Grpc.Testing.ClientConfigureResponse> ConfigureAsync(global::Grpc.Testing.ClientConfigureRequest request, grpc::Metadata headers = null, global::System.DateTime? deadline = null, global::System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+      {
+        return ConfigureAsync(request, new grpc::CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      /// Update the tes client's configuration.
+      /// </summary>
+      /// <param name="request">The request to send to the server.</param>
+      /// <param name="options">The options for the call.</param>
+      /// <returns>The call object.</returns>
+      public virtual grpc::AsyncUnaryCall<global::Grpc.Testing.ClientConfigureResponse> ConfigureAsync(global::Grpc.Testing.ClientConfigureRequest request, grpc::CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Configure, null, options, request);
+      }
+      /// <summary>Creates a new instance of client from given <c>ClientBaseConfiguration</c>.</summary>
+      protected override XdsUpdateClientConfigureServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new XdsUpdateClientConfigureServiceClient(configuration);
+      }
+    }
+
+    /// <summary>Creates service definition that can be registered with a server</summary>
+    /// <param name="serviceImpl">An object implementing the server-side handling logic.</param>
+    public static grpc::ServerServiceDefinition BindService(XdsUpdateClientConfigureServiceBase serviceImpl)
+    {
+      return grpc::ServerServiceDefinition.CreateBuilder()
+          .AddMethod(__Method_Configure, serviceImpl.Configure).Build();
+    }
+
+    /// <summary>Register service method with a service binder with or without implementation. Useful when customizing the  service binding logic.
+    /// Note: this method is part of an experimental API that can change or be removed without any prior notice.</summary>
+    /// <param name="serviceBinder">Service methods will be bound by calling <c>AddMethod</c> on this object.</param>
+    /// <param name="serviceImpl">An object implementing the server-side handling logic.</param>
+    public static void BindService(grpc::ServiceBinderBase serviceBinder, XdsUpdateClientConfigureServiceBase serviceImpl)
+    {
+      serviceBinder.AddMethod(__Method_Configure, serviceImpl == null ? null : new grpc::UnaryServerMethod<global::Grpc.Testing.ClientConfigureRequest, global::Grpc.Testing.ClientConfigureResponse>(serviceImpl.Configure));
+    }
+
+  }
 }
 #endregion

src/csharp/build/dependencies.props

@@ -2,6 +2,6 @@
 <Project>
   <PropertyGroup>
     <GrpcCsharpVersion>2.35.0-pre1</GrpcCsharpVersion>
-    <GoogleProtobufVersion>3.13.0</GoogleProtobufVersion>
+    <GoogleProtobufVersion>3.14.0</GoogleProtobufVersion>
   </PropertyGroup>
 </Project>

src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec

@@ -100,7 +100,7 @@ Pod::Spec.new do |s|
   s.preserve_paths = plugin
 
   # Restrict the protoc version to the one supported by this plugin.
-  s.dependency '!ProtoCompiler', '3.13.0'
+  s.dependency '!ProtoCompiler', '3.14.0'
   # For the Protobuf dependency not to complain:
   s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.10'

src/objective-c/!ProtoCompiler-gRPCPlugin.podspec

@@ -102,7 +102,7 @@ Pod::Spec.new do |s|
   s.preserve_paths = plugin
 
   # Restrict the protoc version to the one supported by this plugin.
-  s.dependency '!ProtoCompiler', '3.13.0'
+  s.dependency '!ProtoCompiler', '3.14.0'
   # For the Protobuf dependency not to complain:
   s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.10'

src/objective-c/!ProtoCompiler.podspec

@@ -36,7 +36,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler'
-  v = '3.13.0'
+  v = '3.14.0'
   s.version  = v
   s.summary  = 'The Protobuf Compiler (protoc) generates Objective-C files from .proto files'
   s.description = <<-DESC

src/php/tests/interop/GPBMetadata/Src/Proto/Grpc/Testing/PBEmpty.php

@@ -14,9 +14,12 @@ class PBEmpty
         if (static::$is_initialized == true) {
           return;
         }
-        $pool->internalAddGeneratedFile(hex2bin(
-            "0a4a0a227372632f70726f746f2f677270632f74657374696e672f656d7074792e70726f746f120c677270632e74657374696e67220e0a0c456d7074794d657373616765620670726f746f33"
-        ), true);
+        $pool->internalAddGeneratedFile(
+            '
+J
+"src/proto/grpc/testing/empty.protogrpc.testing"
+EmptyMessagebproto3'
+        , true);
 
         static::$is_initialized = true;
     }

third_party/BUILD

@@ -11,4 +11,5 @@ exports_files([
     "enum34.BUILD",
     "futures.BUILD",
     "libuv.BUILD",
+    "protobuf.patch",
 ])

third_party/protobuf

@@ -1 +1 @@
-Subproject commit fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a
+Subproject commit 19fb89416f3fdc2d6668f3738f444885575285bc

third_party/protobuf.patch

@@ -0,0 +1,14 @@
+diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
+index 97ac28028..8b7585d9d 100644
+--- a/python/google/protobuf/__init__.py
++++ b/python/google/protobuf/__init__.py
+@@ -31,3 +31,9 @@
+ # Copyright 2007 Google Inc. All Rights Reserved.
+
+ __version__ = '3.14.0'
++
++if __name__ != '__main__':
++  try:
++    __import__('pkg_resources').declare_namespace(__name__)
++  except ImportError:
++    __path__ = __import__('pkgutil').extend_path(__path__, __name__)

tools/distrib/python/grpc_version.py

@@ -15,4 +15,4 @@
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
 VERSION = '1.35.0rc1'
-PROTOBUF_VERSION = '3.13.0'
+PROTOBUF_VERSION = '3.14.0'

tools/distrib/python/grpcio_tools/grpc_version.py

@@ -15,4 +15,4 @@
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
 VERSION = '1.35.0rc1'
-PROTOBUF_VERSION = '3.13.0'
+PROTOBUF_VERSION = '3.14.0'

tools/run_tests/sanity/check_submodules.sh

@@ -35,7 +35,7 @@ cat << EOF | awk '{ print $1 }' | sort > "$want_submodules"
  80ed4d0bbf65d57cc267dfc63bd2584557f11f9b third_party/googleapis (common-protos-1_3_1-915-g80ed4d0bb)
  c9ccac7cb7345901884aabf5d1a786cfa6e2f397 third_party/googletest (6e2f397)
  15ae750151ac9341e5945eb38f8982d59fb99201 third_party/libuv (v1.34.0)
- fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a third_party/protobuf (v3.7.0-rc.2-1277-gfde7cf735)
+ 19fb89416f3fdc2d6668f3738f444885575285bc third_party/protobuf (v3.7.0-rc.2-1277-gfde7cf735)
  e020f3aef8ae6cb59f384bfbaaed72e71e88ccd6 third_party/protoc-gen-validate (v0.4.1)
  aecba11114cf1fac5497aeb844b6966106de3eb6 third_party/re2 (heads/master)
  1f710aca26a95876e64973a6d2a927a9f4b20ca4 third_party/udpa (heads/master)