diff --git a/examples/objective-c/auth_sample/Misc/GoogleService-Info.plist b/examples/objective-c/auth_sample/Misc/GoogleService-Info.plist
index 86909d84a31ed01543641ba44317fa7732e2403c..ff225074238d80ee7989d10b5891b8b8351ebf6b 100644
--- a/examples/objective-c/auth_sample/Misc/GoogleService-Info.plist
+++ b/examples/objective-c/auth_sample/Misc/GoogleService-Info.plist
@@ -2,9 +2,39 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>AD_UNIT_ID_FOR_BANNER_TEST</key>
+	<string>redacted</string>
+	<key>AD_UNIT_ID_FOR_INTERSTITIAL_TEST</key>
+	<string>redacted</string>
 	<key>CLIENT_ID</key>
 	<string>15087385131-lh9bpkiai9nls53uadju0if6k7un3uih.apps.googleusercontent.com</string>
 	<key>REVERSED_CLIENT_ID</key>
 	<string>com.googleusercontent.apps.15087385131-lh9bpkiai9nls53uadju0if6k7un3uih</string>
+	<key>API_KEY</key>
+	<string>redacted</string>
+	<key>GCM_SENDER_ID</key>
+	<string>redacted</string>
+	<key>PLIST_VERSION</key>
+	<string>1</string>
+	<key>BUNDLE_ID</key>
+	<string>io.grpc.AuthSample</string>
+	<key>PROJECT_ID</key>
+	<string>grpc-authsample</string>
+	<key>STORAGE_BUCKET</key>
+	<string>grpc-authsample.appspot.com</string>
+	<key>IS_ADS_ENABLED</key>
+	<false/>
+	<key>IS_ANALYTICS_ENABLED</key>
+	<false/>
+	<key>IS_APPINVITE_ENABLED</key>
+	<false/>
+	<key>IS_GCM_ENABLED</key>
+	<false/>
+	<key>IS_SIGNIN_ENABLED</key>
+	<true/>
+	<key>GOOGLE_APP_ID</key>
+	<string>1:15087385131:ios:d547168abe3c362f</string>
+	<key>DATABASE_URL</key>
+	<string>https://grpc-authsample.firebaseio.com</string>
 </dict>
-</plist>
\ No newline at end of file
+</plist>
diff --git a/src/compiler/ruby_generator_helpers-inl.h b/src/compiler/ruby_generator_helpers-inl.h
index ff6939ed9fed0a0e5bc20944e61e97e26a01ecaf..aa3c22fea6dc95a9e8e40f9607957f8916200071 100644
--- a/src/compiler/ruby_generator_helpers-inl.h
+++ b/src/compiler/ruby_generator_helpers-inl.h
@@ -48,7 +48,7 @@ inline bool ServicesFilename(const grpc::protobuf::FileDescriptor *file,
       file->name().find_last_of(".proto") == file->name().size() - 1) {
     *file_name_or_error =
         file->name().substr(0, file->name().size() - proto_suffix_length) +
-        "_services.rb";
+        "_services_pb.rb";
     return true;
   } else {
     *file_name_or_error = "Invalid proto file name:  must end with .proto";
@@ -58,7 +58,7 @@ inline bool ServicesFilename(const grpc::protobuf::FileDescriptor *file,
 
 inline grpc::string MessagesRequireName(
     const grpc::protobuf::FileDescriptor *file) {
-  return Replace(file->name(), ".proto", "");
+  return Replace(file->name(), ".proto", "_pb");
 }
 
 // Get leading or trailing comments in a string. Comment lines start with "# ".
diff --git a/src/csharp/.nuget/packages.config b/src/csharp/.nuget/packages.config
deleted file mode 100644
index 6154b3561f49cd2c44fec22d8f60c9136aa7140e..0000000000000000000000000000000000000000
--- a/src/csharp/.nuget/packages.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="NUnit.ConsoleRunner" version="3.2.0" />
-  <package id="OpenCover" version="4.6.519" />
-  <package id="ReportGenerator" version="2.4.4.0" />
-</packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core.Tests/packages.config b/src/csharp/Grpc.Core.Tests/packages.config
index aa7d951fdc7b46c2380456163d8b3f3856d0da57..6a930c17ee60fb9a12c4a9541f5e94bde994e70c 100644
--- a/src/csharp/Grpc.Core.Tests/packages.config
+++ b/src/csharp/Grpc.Core.Tests/packages.config
@@ -4,4 +4,7 @@
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
   <package id="NUnit" version="3.2.0" targetFramework="net45" />
   <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
-</packages>
\ No newline at end of file
+  <package id="NUnit.ConsoleRunner" version="3.2.0" />
+  <package id="OpenCover" version="4.6.519" />
+  <package id="ReportGenerator" version="2.4.4.0" />
+</packages>
diff --git a/src/csharp/Grpc.Core.Tests/project.json b/src/csharp/Grpc.Core.Tests/project.json
index d4c9a2ef3168740f34b3306aaae984baf79e885d..4a682d927e46340cc21633ebf09dcbadb05f71e6 100644
--- a/src/csharp/Grpc.Core.Tests/project.json
+++ b/src/csharp/Grpc.Core.Tests/project.json
@@ -54,7 +54,10 @@
     },
     "Newtonsoft.Json": "8.0.3",
     "NUnit": "3.2.0",
-    "NUnitLite": "3.2.0-*"
+    "NUnitLite": "3.2.0-*",
+    "NUnit.ConsoleRunner": "3.2.0",
+    "OpenCover": "4.6.519",
+    "ReportGenerator": "2.4.4.0"
   },
   "frameworks": {
     "net45": { },
diff --git a/src/csharp/Grpc.Examples.MathClient/packages.config b/src/csharp/Grpc.Examples.MathClient/packages.config
new file mode 100644
index 0000000000000000000000000000000000000000..79ece06bef6a23c7f75492ed821f546d8bd403e2
--- /dev/null
+++ b/src/csharp/Grpc.Examples.MathClient/packages.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+</packages>
diff --git a/src/csharp/Grpc.Examples.MathServer/packages.config b/src/csharp/Grpc.Examples.MathServer/packages.config
new file mode 100644
index 0000000000000000000000000000000000000000..79ece06bef6a23c7f75492ed821f546d8bd403e2
--- /dev/null
+++ b/src/csharp/Grpc.Examples.MathServer/packages.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+</packages>
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/packages.config b/src/csharp/Grpc.IntegrationTesting.QpsWorker/packages.config
new file mode 100644
index 0000000000000000000000000000000000000000..79ece06bef6a23c7f75492ed821f546d8bd403e2
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/packages.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+</packages>
diff --git a/src/csharp/Grpc.IntegrationTesting.StressClient/packages.config b/src/csharp/Grpc.IntegrationTesting.StressClient/packages.config
new file mode 100644
index 0000000000000000000000000000000000000000..79ece06bef6a23c7f75492ed821f546d8bd403e2
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/packages.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+</packages>
diff --git a/src/node/ext/call_credentials.cc b/src/node/ext/call_credentials.cc
index 3c8f0c56da4df23a29d60cf57fa5c55e1e55cfc1..81fc552fd10036cf2d810b7cac56f7c17b769597 100644
--- a/src/node/ext/call_credentials.cc
+++ b/src/node/ext/call_credentials.cc
@@ -68,6 +68,8 @@ using v8::Value;
 Nan::Callback *CallCredentials::constructor;
 Persistent<FunctionTemplate> CallCredentials::fun_tpl;
 
+static Callback *plugin_callback;
+
 CallCredentials::CallCredentials(grpc_call_credentials *credentials)
     : wrapped_credentials(credentials) {}
 
@@ -88,6 +90,11 @@ void CallCredentials::Init(Local<Object> exports) {
                Nan::New<FunctionTemplate>(CreateFromPlugin)).ToLocalChecked());
   Nan::Set(exports, Nan::New("CallCredentials").ToLocalChecked(), ctr);
   constructor = new Nan::Callback(ctr);
+
+  Local<FunctionTemplate> callback_tpl =
+      Nan::New<FunctionTemplate>(PluginCallback);
+  plugin_callback = new Callback(
+      Nan::GetFunction(callback_tpl).ToLocalChecked());
 }
 
 bool CallCredentials::HasInstance(Local<Value> val) {
@@ -195,23 +202,28 @@ NAN_METHOD(PluginCallback) {
     return Nan::ThrowTypeError(
         "The callback's third argument must be an object");
   }
+  if (!info[3]->IsObject()) {
+    return Nan::ThrowTypeError(
+        "The callback's fourth argument must be an object");
+  }
   shared_ptr<Resources> resources(new Resources);
   grpc_status_code code = static_cast<grpc_status_code>(
       Nan::To<uint32_t>(info[0]).FromJust());
   Utf8String details_utf8_str(info[1]);
   char *details = *details_utf8_str;
   grpc_metadata_array array;
+  Local<Object> callback_data = Nan::To<Object>(info[3]).ToLocalChecked();
   if (!CreateMetadataArray(Nan::To<Object>(info[2]).ToLocalChecked(),
                            &array, resources)){
     return Nan::ThrowError("Failed to parse metadata");
   }
   grpc_credentials_plugin_metadata_cb cb =
       reinterpret_cast<grpc_credentials_plugin_metadata_cb>(
-          Nan::Get(info.Callee(),
+          Nan::Get(callback_data,
                    Nan::New("cb").ToLocalChecked()
                    ).ToLocalChecked().As<External>()->Value());
   void *user_data =
-      Nan::Get(info.Callee(),
+      Nan::Get(callback_data,
                Nan::New("user_data").ToLocalChecked()
                ).ToLocalChecked().As<External>()->Value();
   cb(user_data, array.metadata, array.count, code, details);
@@ -227,17 +239,17 @@ NAUV_WORK_CB(SendPluginCallback) {
   while (!callbacks.empty()) {
     plugin_callback_data *data = callbacks.front();
     callbacks.pop_front();
-    // Attach cb and user_data to plugin_callback so that it can access them later
-    v8::Local<v8::Function> plugin_callback = Nan::GetFunction(
-        Nan::New<v8::FunctionTemplate>(PluginCallback)).ToLocalChecked();
-    Nan::Set(plugin_callback, Nan::New("cb").ToLocalChecked(),
+    Local<Object> callback_data = Nan::New<Object>();
+    Nan::Set(callback_data, Nan::New("cb").ToLocalChecked(),
              Nan::New<v8::External>(reinterpret_cast<void*>(data->cb)));
-    Nan::Set(plugin_callback, Nan::New("user_data").ToLocalChecked(),
+    Nan::Set(callback_data, Nan::New("user_data").ToLocalChecked(),
              Nan::New<v8::External>(data->user_data));
-    const int argc = 2;
+    const int argc = 3;
     v8::Local<v8::Value> argv[argc] = {
       Nan::New(data->service_url).ToLocalChecked(),
-      plugin_callback
+      callback_data,
+      // Get Local<Function> from Nan::Callback*
+      **plugin_callback
     };
     Nan::Callback *callback = state->callback;
     callback->Call(argc, argv);
diff --git a/src/node/health_check/package.json b/src/node/health_check/package.json
index 67f5301df7ec8eb62a37dfd16bf57ff57c3c0225..40e276055b71a64271aaa1752907cec9de7454ff 100644
--- a/src/node/health_check/package.json
+++ b/src/node/health_check/package.json
@@ -19,11 +19,11 @@
     "lodash": "^3.9.3",
     "google-protobuf": "^3.0.0-alpha.5"
   },
-  "files": {
+  "files": [
     "LICENSE",
     "health.js",
     "v1"
-  },
+  ],
   "main": "src/node/index.js",
   "license": "BSD-3-Clause"
 }
diff --git a/src/node/src/credentials.js b/src/node/src/credentials.js
index b746d0625dfaa1d56035c574f167d5629ad20b29..043df06a669a1a66ef518af4ea55cda576dabe5c 100644
--- a/src/node/src/credentials.js
+++ b/src/node/src/credentials.js
@@ -92,7 +92,8 @@ exports.createSsl = ChannelCredentials.createSsl;
  * @return {CallCredentials} The credentials object
  */
 exports.createFromMetadataGenerator = function(metadata_generator) {
-  return CallCredentials.createFromPlugin(function(service_url, callback) {
+  return CallCredentials.createFromPlugin(function(service_url, cb_data,
+                                                   callback) {
     metadata_generator({service_url: service_url}, function(error, metadata) {
       var code = grpc.status.OK;
       var message = '';
@@ -107,7 +108,7 @@ exports.createFromMetadataGenerator = function(metadata_generator) {
           metadata = new Metadata();
         }
       }
-      callback(code, message, metadata._getCoreRepresentation());
+      callback(code, message, metadata._getCoreRepresentation(), cb_data);
     });
   });
 };
diff --git a/src/ruby/.rubocop.yml b/src/ruby/.rubocop.yml
index 34bb4775435bbcda79de87ea353ffd695887c4f9..0f61ccfa812406ed193f39327cae64da241c7ac8 100644
--- a/src/ruby/.rubocop.yml
+++ b/src/ruby/.rubocop.yml
@@ -5,8 +5,8 @@ inherit_from: .rubocop_todo.yml
 AllCops:
   Exclude:
     - 'bin/apis/**/*'
-    - 'bin/math.rb'
-    - 'bin/math_services.rb'
+    - 'bin/math_pb.rb'
+    - 'bin/math_services_pb.rb'
     - 'pb/grpc/health/v1/*'
     - 'pb/test/**/*'
 
diff --git a/src/ruby/bin/math_client.rb b/src/ruby/bin/math_client.rb
index d7e00e429384f01bd475f8858a74f1ee4eb09ce7..1f238a798bac3b77aec038b6d394d0a2268e1f8e 100755
--- a/src/ruby/bin/math_client.rb
+++ b/src/ruby/bin/math_client.rb
@@ -40,7 +40,7 @@ $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'grpc'
-require 'math_services'
+require 'math_services_pb'
 require 'optparse'
 
 include GRPC::Core::TimeConsts
diff --git a/src/ruby/bin/math.rb b/src/ruby/bin/math_pb.rb
old mode 100755
new mode 100644
similarity index 100%
rename from src/ruby/bin/math.rb
rename to src/ruby/bin/math_pb.rb
diff --git a/src/ruby/bin/math_server.rb b/src/ruby/bin/math_server.rb
index 1ee4c5632d92e8649bd6e74d104167a0109bb021..751a6ebcab7b9928028519d352053ee17ef4d8a1 100755
--- a/src/ruby/bin/math_server.rb
+++ b/src/ruby/bin/math_server.rb
@@ -42,7 +42,7 @@ $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 require 'forwardable'
 require 'grpc'
 require 'logger'
-require 'math_services'
+require 'math_services_pb'
 require 'optparse'
 
 # RubyLogger defines a logger for gRPC based on the standard ruby logger.
diff --git a/src/ruby/bin/math_services.rb b/src/ruby/bin/math_services_pb.rb
old mode 100755
new mode 100644
similarity index 99%
rename from src/ruby/bin/math_services.rb
rename to src/ruby/bin/math_services_pb.rb
index 2b97602b6fb41abbda016d39b5a69084a7a06c16..2ba1825d4f4f27635d22327e6b63e2df6d5e5500
--- a/src/ruby/bin/math_services.rb
+++ b/src/ruby/bin/math_services_pb.rb
@@ -32,7 +32,7 @@
 #
 
 require 'grpc'
-require 'math'
+require 'math_pb'
 
 module Math
   module Math
diff --git a/src/ruby/pb/grpc/health/checker.rb b/src/ruby/pb/grpc/health/checker.rb
index f7310d92894733e04e0cc74f54ff3d732ee21fb6..4bce1744c48f2e32c20ea2cdbbfe2041aceadff7 100644
--- a/src/ruby/pb/grpc/health/checker.rb
+++ b/src/ruby/pb/grpc/health/checker.rb
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/health/v1/health_services'
+require 'grpc/health/v1/health_services_pb'
 require 'thread'
 
 module Grpc
diff --git a/src/ruby/pb/grpc/health/v1/health.rb b/src/ruby/pb/grpc/health/v1/health_pb.rb
similarity index 100%
rename from src/ruby/pb/grpc/health/v1/health.rb
rename to src/ruby/pb/grpc/health/v1/health_pb.rb
diff --git a/src/ruby/pb/grpc/health/v1/health_services.rb b/src/ruby/pb/grpc/health/v1/health_services_pb.rb
similarity index 98%
rename from src/ruby/pb/grpc/health/v1/health_services.rb
rename to src/ruby/pb/grpc/health/v1/health_services_pb.rb
index 68a3956f54a09c6f6c0ce40cf0c98810087e05b7..8cc01e91dc5b0058dc178ad8780b043d9056f33d 100644
--- a/src/ruby/pb/grpc/health/v1/health_services.rb
+++ b/src/ruby/pb/grpc/health/v1/health_services_pb.rb
@@ -32,7 +32,7 @@
 #
 
 require 'grpc'
-require 'grpc/health/v1/health'
+require 'grpc/health/v1/health_pb'
 
 module Grpc
   module Health
diff --git a/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services_pb.rb
similarity index 93%
rename from src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
rename to src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services_pb.rb
index eb523ffa6f0ac82355b60f5952b5fb145f9cc073..e51c2f087a055d110b766811ec5b1ae1c946a3e7 100644
--- a/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
+++ b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services_pb.rb
@@ -1,5 +1,5 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
-# Source: grpc/testing/duplicate/echo_duplicate.proto for package 'grpc.testing.duplicate'
+# Source: src/proto/grpc/testing/duplicate/echo_duplicate.proto for package 'grpc.testing.duplicate'
 # Original file comments:
 # Copyright 2015, Google Inc.
 # All rights reserved.
@@ -34,7 +34,7 @@
 #
 
 require 'grpc'
-require 'grpc/testing/duplicate/echo_duplicate'
+require 'src/proto/grpc/testing/duplicate/echo_duplicate_pb'
 
 module Grpc
   module Testing
diff --git a/src/ruby/pb/grpc/testing/metrics.rb b/src/ruby/pb/grpc/testing/metrics_pb.rb
similarity index 94%
rename from src/ruby/pb/grpc/testing/metrics.rb
rename to src/ruby/pb/grpc/testing/metrics_pb.rb
index 3b3c8cd61bbae356fa14ae003bea2b51901beb0e..77b6c90970fd888caee987632e8a1ed9c0c0d94c 100644
--- a/src/ruby/pb/grpc/testing/metrics.rb
+++ b/src/ruby/pb/grpc/testing/metrics_pb.rb
@@ -1,5 +1,5 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: grpc/testing/metrics.proto
+# source: src/proto/grpc/testing/metrics.proto
 
 require 'google/protobuf'
 
diff --git a/src/ruby/pb/grpc/testing/metrics_services.rb b/src/ruby/pb/grpc/testing/metrics_services_pb.rb
similarity index 95%
rename from src/ruby/pb/grpc/testing/metrics_services.rb
rename to src/ruby/pb/grpc/testing/metrics_services_pb.rb
index 467b7b3ee509b6df5a51d3bd37b0236178688eda..e46366b1fbeb90325eefac1e4dbf099a04589dba 100644
--- a/src/ruby/pb/grpc/testing/metrics_services.rb
+++ b/src/ruby/pb/grpc/testing/metrics_services_pb.rb
@@ -1,5 +1,5 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
-# Source: grpc/testing/metrics.proto for package 'grpc.testing'
+# Source: src/proto/grpc/testing/metrics.proto for package 'grpc.testing'
 # Original file comments:
 # Copyright 2015-2016, Google Inc.
 # All rights reserved.
@@ -38,7 +38,7 @@
 # service.
 
 require 'grpc'
-require 'grpc/testing/metrics'
+require 'src/proto/grpc/testing/metrics_pb'
 
 module Grpc
   module Testing
diff --git a/src/ruby/pb/src/proto/grpc/testing/empty.rb b/src/ruby/pb/src/proto/grpc/testing/empty_pb.rb
similarity index 100%
rename from src/ruby/pb/src/proto/grpc/testing/empty.rb
rename to src/ruby/pb/src/proto/grpc/testing/empty_pb.rb
diff --git a/src/ruby/pb/src/proto/grpc/testing/messages.rb b/src/ruby/pb/src/proto/grpc/testing/messages_pb.rb
similarity index 100%
rename from src/ruby/pb/src/proto/grpc/testing/messages.rb
rename to src/ruby/pb/src/proto/grpc/testing/messages_pb.rb
diff --git a/src/ruby/pb/src/proto/grpc/testing/test.rb b/src/ruby/pb/src/proto/grpc/testing/test_pb.rb
similarity index 72%
rename from src/ruby/pb/src/proto/grpc/testing/test.rb
rename to src/ruby/pb/src/proto/grpc/testing/test_pb.rb
index 245b5ce00cdc66e273888b96d0980400ecb01152..2cc98630314db4cf638bf8f94f15f98231a8d137 100644
--- a/src/ruby/pb/src/proto/grpc/testing/test.rb
+++ b/src/ruby/pb/src/proto/grpc/testing/test_pb.rb
@@ -3,8 +3,8 @@
 
 require 'google/protobuf'
 
-require 'src/proto/grpc/testing/empty'
-require 'src/proto/grpc/testing/messages'
+require 'src/proto/grpc/testing/empty_pb'
+require 'src/proto/grpc/testing/messages_pb'
 Google::Protobuf::DescriptorPool.generated_pool.build do
 end
 
diff --git a/src/ruby/pb/src/proto/grpc/testing/test_services.rb b/src/ruby/pb/src/proto/grpc/testing/test_services_pb.rb
similarity index 99%
rename from src/ruby/pb/src/proto/grpc/testing/test_services.rb
rename to src/ruby/pb/src/proto/grpc/testing/test_services_pb.rb
index 2652de5e6d255a3cf4247aafc18587cd661a9884..fde328e4c5d2053cf3bc7f58683bb543098991bf 100644
--- a/src/ruby/pb/src/proto/grpc/testing/test_services.rb
+++ b/src/ruby/pb/src/proto/grpc/testing/test_services_pb.rb
@@ -35,7 +35,7 @@
 #
 
 require 'grpc'
-require 'src/proto/grpc/testing/test'
+require 'src/proto/grpc/testing/test_pb'
 
 module Grpc
   module Testing
diff --git a/src/ruby/pb/test/client.rb b/src/ruby/pb/test/client.rb
index 4c6d441dcb63623786b8b31ad9a1d61b5658acbc..1e3ae656302da8e8fd8ad1f58b4bf2cd8919e009 100755
--- a/src/ruby/pb/test/client.rb
+++ b/src/ruby/pb/test/client.rb
@@ -52,9 +52,9 @@ require_relative '../../lib/grpc'
 require 'googleauth'
 require 'google/protobuf'
 
-require_relative '../src/proto/grpc/testing/empty'
-require_relative '../src/proto/grpc/testing/messages'
-require_relative '../src/proto/grpc/testing/test_services'
+require_relative '../src/proto/grpc/testing/empty_pb'
+require_relative '../src/proto/grpc/testing/messages_pb'
+require_relative '../src/proto/grpc/testing/test_services_pb'
 
 AUTH_ENV = Google::Auth::CredentialsLoader::ENV_VAR
 
diff --git a/src/ruby/pb/test/server.rb b/src/ruby/pb/test/server.rb
index 11ee3d465d8d3616215654527f9bd5c2c2880146..0808121661c5bb24693b29ed7de78399eb4e72ad 100755
--- a/src/ruby/pb/test/server.rb
+++ b/src/ruby/pb/test/server.rb
@@ -50,9 +50,9 @@ require 'optparse'
 
 require 'grpc'
 
-require_relative '../src/proto/grpc/testing/empty'
-require_relative '../src/proto/grpc/testing/messages'
-require_relative '../src/proto/grpc/testing/test_services'
+require_relative '../src/proto/grpc/testing/empty_pb'
+require_relative '../src/proto/grpc/testing/messages_pb'
+require_relative '../src/proto/grpc/testing/test_services_pb'
 
 # DebugIsTruncated extends the default Logger to truncate debug messages
 class DebugIsTruncated < Logger
diff --git a/src/ruby/qps/client.rb b/src/ruby/qps/client.rb
index 917b01271e8666b427fd771367ea8e8bfb0f2439..7ed648acefc5682a4180dff42ed8149cf73ca67d 100644
--- a/src/ruby/qps/client.rb
+++ b/src/ruby/qps/client.rb
@@ -38,7 +38,7 @@ $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'grpc'
 require 'histogram'
-require 'src/proto/grpc/testing/services_services'
+require 'src/proto/grpc/testing/services_services_pb'
 
 class Poisson
   def interarrival
diff --git a/src/ruby/qps/server.rb b/src/ruby/qps/server.rb
index 52a89ce847c37a4bb80d302622c53578166665b9..cd98ee1fd9439c9066a59bda06cc0772212f76fc 100644
--- a/src/ruby/qps/server.rb
+++ b/src/ruby/qps/server.rb
@@ -38,9 +38,9 @@ $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'grpc'
 require 'qps-common'
-require 'src/proto/grpc/testing/messages'
-require 'src/proto/grpc/testing/services_services'
-require 'src/proto/grpc/testing/stats'
+require 'src/proto/grpc/testing/messages_pb'
+require 'src/proto/grpc/testing/services_services_pb'
+require 'src/proto/grpc/testing/stats_pb'
 
 class BenchmarkServiceImpl < Grpc::Testing::BenchmarkService::Service
   def unary_call(req, _call)
diff --git a/src/ruby/qps/src/proto/grpc/testing/control.rb b/src/ruby/qps/src/proto/grpc/testing/control_pb.rb
similarity index 97%
rename from src/ruby/qps/src/proto/grpc/testing/control.rb
rename to src/ruby/qps/src/proto/grpc/testing/control_pb.rb
index 958fca320bca8c9d10c92c08f6969d74129f1bb4..02207a2b5d8feec318512b239b6a570809388f3f 100644
--- a/src/ruby/qps/src/proto/grpc/testing/control.rb
+++ b/src/ruby/qps/src/proto/grpc/testing/control_pb.rb
@@ -3,8 +3,8 @@
 
 require 'google/protobuf'
 
-require 'src/proto/grpc/testing/payloads'
-require 'src/proto/grpc/testing/stats'
+require 'src/proto/grpc/testing/payloads_pb'
+require 'src/proto/grpc/testing/stats_pb'
 Google::Protobuf::DescriptorPool.generated_pool.build do
   add_message "grpc.testing.PoissonParams" do
     optional :offered_load, :double, 1
@@ -109,6 +109,8 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
     repeated :server_stats, :message, 4, "grpc.testing.ServerStats"
     repeated :server_cores, :int32, 5
     optional :summary, :message, 6, "grpc.testing.ScenarioResultSummary"
+    repeated :client_success, :bool, 7
+    repeated :server_success, :bool, 8
   end
   add_enum "grpc.testing.ClientType" do
     value :SYNC_CLIENT, 0
diff --git a/src/ruby/qps/src/proto/grpc/testing/messages.rb b/src/ruby/qps/src/proto/grpc/testing/messages_pb.rb
similarity index 100%
rename from src/ruby/qps/src/proto/grpc/testing/messages.rb
rename to src/ruby/qps/src/proto/grpc/testing/messages_pb.rb
diff --git a/src/ruby/qps/src/proto/grpc/testing/payloads.rb b/src/ruby/qps/src/proto/grpc/testing/payloads_pb.rb
similarity index 100%
rename from src/ruby/qps/src/proto/grpc/testing/payloads.rb
rename to src/ruby/qps/src/proto/grpc/testing/payloads_pb.rb
diff --git a/src/ruby/qps/src/proto/grpc/testing/services.rb b/src/ruby/qps/src/proto/grpc/testing/services_pb.rb
similarity index 72%
rename from src/ruby/qps/src/proto/grpc/testing/services.rb
rename to src/ruby/qps/src/proto/grpc/testing/services_pb.rb
index b2675c2afe50c98c3d0842a881b583ee74964e8f..5ce13bf8b04b39677229e2373a08c955d099fb16 100644
--- a/src/ruby/qps/src/proto/grpc/testing/services.rb
+++ b/src/ruby/qps/src/proto/grpc/testing/services_pb.rb
@@ -3,8 +3,8 @@
 
 require 'google/protobuf'
 
-require 'src/proto/grpc/testing/messages'
-require 'src/proto/grpc/testing/control'
+require 'src/proto/grpc/testing/messages_pb'
+require 'src/proto/grpc/testing/control_pb'
 Google::Protobuf::DescriptorPool.generated_pool.build do
 end
 
diff --git a/src/ruby/qps/src/proto/grpc/testing/services_services.rb b/src/ruby/qps/src/proto/grpc/testing/services_services_pb.rb
similarity index 98%
rename from src/ruby/qps/src/proto/grpc/testing/services_services.rb
rename to src/ruby/qps/src/proto/grpc/testing/services_services_pb.rb
index 94b9a1e164e726d7bef4e875eb2b7373a5b722eb..bdbb9c86d0042b85a7e9f8989e9c26e75c420da9 100644
--- a/src/ruby/qps/src/proto/grpc/testing/services_services.rb
+++ b/src/ruby/qps/src/proto/grpc/testing/services_services_pb.rb
@@ -34,7 +34,7 @@
 # of unary/streaming requests/responses.
 
 require 'grpc'
-require 'src/proto/grpc/testing/services'
+require 'src/proto/grpc/testing/services_pb'
 
 module Grpc
   module Testing
diff --git a/src/ruby/qps/src/proto/grpc/testing/stats.rb b/src/ruby/qps/src/proto/grpc/testing/stats_pb.rb
similarity index 100%
rename from src/ruby/qps/src/proto/grpc/testing/stats.rb
rename to src/ruby/qps/src/proto/grpc/testing/stats_pb.rb
diff --git a/src/ruby/qps/worker.rb b/src/ruby/qps/worker.rb
index 665fb863526ba722ab6d000f35f0b14a40e9fec5..12b8087ca0590dc27c419403f3fe7276369cc97f 100755
--- a/src/ruby/qps/worker.rb
+++ b/src/ruby/qps/worker.rb
@@ -44,7 +44,7 @@ require 'facter'
 require 'client'
 require 'qps-common'
 require 'server'
-require 'src/proto/grpc/testing/services_services'
+require 'src/proto/grpc/testing/services_services_pb'
 
 class WorkerServiceImpl < Grpc::Testing::WorkerService::Service
   def cpu_cores
diff --git a/src/ruby/spec/pb/duplicate/codegen_spec.rb b/src/ruby/spec/pb/duplicate/codegen_spec.rb
index 54c136c51023e62ea31be3e63913263cde2ca128..ea0240965caebefa9cbcd8ac1d9b442454db2fad 100644
--- a/src/ruby/spec/pb/duplicate/codegen_spec.rb
+++ b/src/ruby/spec/pb/duplicate/codegen_spec.rb
@@ -44,7 +44,7 @@ describe 'Ping protobuf code generation' do
       # Get the current content
       service_path = File.join(root_dir, 'src', 'ruby', 'pb', 'grpc',
                                'testing', 'duplicate',
-                               'echo_duplicate_services.rb')
+                               'echo_duplicate_services_pb.rb')
       want = nil
       File.open(service_path) { |f| want = f.read }
 
@@ -54,7 +54,7 @@ describe 'Ping protobuf code generation' do
       got = nil
       Dir.mktmpdir do |tmp_dir|
         gen_out = File.join(tmp_dir, 'src', 'proto', 'grpc', 'testing',
-                            'duplicate', 'echo_duplicate_services.rb')
+                            'duplicate', 'echo_duplicate_services_pb.rb')
         pid = spawn(
           'protoc',
           '-I.',
diff --git a/src/ruby/spec/pb/health/checker_spec.rb b/src/ruby/spec/pb/health/checker_spec.rb
index de11c9fedf7512590ff29b819f6431e8986dd231..1b2fa9682715fb8f0193b521cdb948fd159ed96b 100644
--- a/src/ruby/spec/pb/health/checker_spec.rb
+++ b/src/ruby/spec/pb/health/checker_spec.rb
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/health/v1/health'
+require 'grpc/health/v1/health_pb'
 require 'grpc/health/checker'
 require 'open3'
 require 'tmpdir'
@@ -43,7 +43,7 @@ describe 'Health protobuf code generation' do
       skip 'protoc || grpc_ruby_plugin missing, cannot verify health code-gen'
     else
       it 'should already be loaded indirectly i.e, used by the other specs' do
-        expect(require('grpc/health/v1/health_services')).to be(false)
+        expect(require('grpc/health/v1/health_services_pb')).to be(false)
       end
 
       it 'should have the same content as created by code generation' do
@@ -52,7 +52,7 @@ describe 'Health protobuf code generation' do
 
         # Get the current content
         service_path = File.join(root_dir, 'ruby', 'pb', 'grpc',
-                                 'health', 'v1', 'health_services.rb')
+                                 'health', 'v1', 'health_services_pb.rb')
         want = nil
         File.open(service_path) { |f| want = f.read }
 
@@ -62,7 +62,7 @@ describe 'Health protobuf code generation' do
         got = nil
         Dir.mktmpdir do |tmp_dir|
           gen_out = File.join(tmp_dir, 'grpc', 'health', 'v1',
-                              'health_services.rb')
+                              'health_services_pb.rb')
           pid = spawn(
             'protoc',
             '-I.',
diff --git a/src/ruby/stress/metrics_server.rb b/src/ruby/stress/metrics_server.rb
index 13638c4d211df470465481f532d518406a3e2f2c..2b7f78577d920c44ea8776976d621414944556d4 100644
--- a/src/ruby/stress/metrics_server.rb
+++ b/src/ruby/stress/metrics_server.rb
@@ -27,8 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require_relative '../pb/grpc/testing/metrics.rb'
-require_relative '../pb/grpc/testing/metrics_services.rb'
+require_relative '../pb/grpc/testing/metrics_pb.rb'
+require_relative '../pb/grpc/testing/metrics_services_pb.rb'
 
 class Gauge
   def get_name
diff --git a/src/ruby/tools/bin/grpc_tools_ruby_protoc.rb b/src/ruby/tools/bin/grpc_tools_ruby_protoc
similarity index 79%
rename from src/ruby/tools/bin/grpc_tools_ruby_protoc.rb
rename to src/ruby/tools/bin/grpc_tools_ruby_protoc
index 3a2a5b8dc967baeac7bab975710e68b3f63a8b03..dab06e7958da8c45ed00f3f380fdb8bf5afb0504 100755
--- a/src/ruby/tools/bin/grpc_tools_ruby_protoc.rb
+++ b/src/ruby/tools/bin/grpc_tools_ruby_protoc
@@ -32,10 +32,17 @@ require 'rbconfig'
 
 require_relative '../os_check'
 
-protoc_name = 'protoc' + RbConfig::CONFIG['EXEEXT']
+ext = RbConfig::CONFIG['EXEEXT']
 
-protoc_path = File.join(File.dirname(__FILE__),
-                        RbConfig::CONFIG['host_cpu'] + '-' + OS.os_name,
-                        protoc_name)
+protoc_name = 'protoc' + ext
 
-exec([ protoc_path, protoc_path ], *ARGV)
+plugin_name = 'grpc_ruby_plugin' + ext
+
+protoc_dir = File.join(File.dirname(__FILE__),
+                       RbConfig::CONFIG['host_cpu'] + '-' + OS.os_name)
+
+protoc_path = File.join(protoc_dir, protoc_name)
+
+plugin_path = File.join(protoc_dir, plugin_name)
+
+exec([ protoc_path, protoc_path ], "--plugin=protoc-gen-grpc=#{plugin_path}", *ARGV)
diff --git a/src/ruby/tools/bin/grpc_tools_ruby_protoc_plugin.rb b/src/ruby/tools/bin/grpc_tools_ruby_protoc_plugin
similarity index 100%
rename from src/ruby/tools/bin/grpc_tools_ruby_protoc_plugin.rb
rename to src/ruby/tools/bin/grpc_tools_ruby_protoc_plugin
diff --git a/src/ruby/tools/grpc-tools.gemspec b/src/ruby/tools/grpc-tools.gemspec
index 9fa4b66392d9d78c3f4113c3b4295e6208680b2c..68e2a7a1133e314b0ba4923b663ced55ac7910d4 100644
--- a/src/ruby/tools/grpc-tools.gemspec
+++ b/src/ruby/tools/grpc-tools.gemspec
@@ -18,5 +18,5 @@ Gem::Specification.new do |s|
 
   s.platform = Gem::Platform::RUBY
 
-  s.executables = %w( grpc_tools_ruby_protoc.rb grpc_tools_ruby_protoc_plugin.rb )
+  s.executables = %w( grpc_tools_ruby_protoc grpc_tools_ruby_protoc_plugin )
 end
diff --git a/templates/src/csharp/Grpc.Core.Tests/project.json.template b/templates/src/csharp/Grpc.Core.Tests/project.json.template
index bc9fa3e63a9b5d381c08f31fe7ed79f849546416..d1ab9316f61e92046165db79c66d9a3377a74500 100644
--- a/templates/src/csharp/Grpc.Core.Tests/project.json.template
+++ b/templates/src/csharp/Grpc.Core.Tests/project.json.template
@@ -8,7 +8,10 @@
       },
       "Newtonsoft.Json": "8.0.3",
       "NUnit": "3.2.0",
-      "NUnitLite": "3.2.0-*"
+      "NUnitLite": "3.2.0-*",
+      "NUnit.ConsoleRunner": "3.2.0",
+      "OpenCover": "4.6.519",
+      "ReportGenerator": "2.4.4.0"
     },
     "frameworks": {
       "net45": { },
diff --git a/templates/src/node/health_check/package.json.template b/templates/src/node/health_check/package.json.template
index 1248ced1e16da04b2be1bca228c03cde5c4199a7..96b9748aa74a129d227107242b338057a2d9c454 100644
--- a/templates/src/node/health_check/package.json.template
+++ b/templates/src/node/health_check/package.json.template
@@ -21,11 +21,11 @@
       "lodash": "^3.9.3",
       "google-protobuf": "^3.0.0-alpha.5"
     },
-    "files": {
+    "files": [
       "LICENSE",
       "health.js",
       "v1"
-    },
+    ],
     "main": "src/node/index.js",
     "license": "BSD-3-Clause"
   }
diff --git a/test/cpp/end2end/server_builder_plugin_test.cc b/test/cpp/end2end/server_builder_plugin_test.cc
index 778a2be573ea7f6609d1b6e15e089e82a83382ee..b967a5d1e99a551fd7d93210f8472a26a3298e83 100644
--- a/test/cpp/end2end/server_builder_plugin_test.cc
+++ b/test/cpp/end2end/server_builder_plugin_test.cc
@@ -191,7 +191,7 @@ class ServerBuilderPluginTest : public ::testing::TestWithParam<bool> {
     // we run some tests without a service, and for those we need to supply a
     // frequently polled completion queue
     cq_ = builder_->AddCompletionQueue();
-    cq_thread_ = grpc::thread(std::bind(&ServerBuilderPluginTest::RunCQ, this));
+    cq_thread_ = new grpc::thread(&ServerBuilderPluginTest::RunCQ, this);
     server_ = builder_->BuildAndStart();
     EXPECT_TRUE(CheckPresent());
   }
@@ -209,7 +209,8 @@ class ServerBuilderPluginTest : public ::testing::TestWithParam<bool> {
     EXPECT_TRUE(plugin->finish_is_called());
     server_->Shutdown();
     cq_->Shutdown();
-    cq_thread_.join();
+    cq_thread_->join();
+    delete cq_thread_;
   }
 
   string to_string(const int number) {
@@ -224,7 +225,7 @@ class ServerBuilderPluginTest : public ::testing::TestWithParam<bool> {
   std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<ServerCompletionQueue> cq_;
   std::unique_ptr<Server> server_;
-  grpc::thread cq_thread_;
+  grpc::thread* cq_thread_;
   TestServiceImpl service_;
   int port_;
 
diff --git a/tools/run_tests/pre_build_csharp.bat b/tools/run_tests/pre_build_csharp.bat
index e7131d504c8cdb26a42a593860999e1ccfd1ee2e..580d5638fda3ac1f354a517e9dc3c33ce6f6ce4e 100644
--- a/tools/run_tests/pre_build_csharp.bat
+++ b/tools/run_tests/pre_build_csharp.bat
@@ -38,8 +38,61 @@ cd /d %~dp0\..\..
 set NUGET=C:\nuget\nuget.exe
 
 if exist %NUGET% (
+  @rem Restore Grpc packages by packages since Nuget client 3.4.4 doesnt support restore
+  @rem by solution
+  @rem Moving into each directory to let the restores work with both nuget 3.4 and 2.8
   %NUGET% restore vsprojects/grpc_csharp_ext.sln || goto :error
-  %NUGET% restore src/csharp/Grpc.sln || goto :error
+
+  cd src/csharp
+
+  cd Grpc.Auth || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.Core || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.Core.Tests || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.Examples.MathClient || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.Examples.MathServer || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.Examples || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.HealthCheck.Tests || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.HealthCheck || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.IntegrationTesting.Client || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.IntegrationTesting.QpsWorker || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.IntegrationTesting.StressClient || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+  cd ..
+
+  cd Grpc.IntegrationTesting || goto :error
+  %NUGET% restore -PackagesDirectory ../packages || goto :error
+
+  cd /d %~dp0\..\.. || goto :error
 )
 
 endlocal
diff --git a/tools/run_tests/pre_build_csharp.sh b/tools/run_tests/pre_build_csharp.sh
index 3ff1a4e5a8b5545e247fc506e50029d5effad104..0fd3b92a9513507898e840c0e5f19126413465d5 100755
--- a/tools/run_tests/pre_build_csharp.sh
+++ b/tools/run_tests/pre_build_csharp.sh
@@ -37,5 +37,54 @@ root=`pwd`
 
 if [ -x "$(command -v nuget)" ]
 then
-  nuget restore Grpc.sln
+  # Restoring Nuget packages by packages rather than by solution because of
+  # inability to restore by solution with Nuget client 3.4.4
+  # Moving into each directory to let the restores work with nuget 3.4 and 2.8
+  cd Grpc.Auth
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.Core.Tests
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.Core
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.Examples.MathClient
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.Examples.MathServer
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.Examples
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.HealthCheck.Tests
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.HealthCheck
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.IntegrationTesting.Client
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.IntegrationTesting.QpsWorker
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.IntegrationTesting.StressClient
+  nuget restore -PackagesDirectory ../packages
+  cd ..
+
+  cd Grpc.IntegrationTesting
+  nuget restore -PackagesDirectory ../packages
+  cd ..
 fi