diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c605319aa51ed8b8ad0b92219d143cf2a5a7570..2f498c083f481788a222ab1a1c579c2e21f32535 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@
 cmake_minimum_required(VERSION 2.8)
 
 set(PACKAGE_NAME      "grpc")
-set(PACKAGE_VERSION   "1.0.0-pre1")
+set(PACKAGE_VERSION   "1.0.0-pre2")
 set(PACKAGE_STRING    "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME   "${PACKAGE_NAME}-${PACKAGE_VERSION}")
 set(PACKAGE_BUGREPORT "https://github.com/grpc/grpc/issues/")
diff --git a/Makefile b/Makefile
index ed362f9752b47ebae7f2d27c71ef969006265ef2..ad2ff32d4198decf65def948bc2e42b99810f384 100644
--- a/Makefile
+++ b/Makefile
@@ -415,7 +415,7 @@ E = @echo
 Q = @
 endif
 
-VERSION = 1.0.0-pre1
+VERSION = 1.0.0-pre2
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/build.yaml b/build.yaml
index 42ea3cb810b0a06fa5d9ac8e1312aef8c8d3258f..c474f66cb2c71dc14ac72535599fdc48908b30ab 100644
--- a/build.yaml
+++ b/build.yaml
@@ -7,7 +7,7 @@ settings:
   '#3': Use "-preN" suffixes to identify pre-release versions
   '#4': Per-language overrides are possible with (eg) ruby_version tag here
   '#5': See the expand_version.py for all the quirks here
-  version: 1.0.0-pre1
+  version: 1.0.0-pre2
 filegroups:
 - name: census
   public_headers:
diff --git a/package.json b/package.json
index ac936fea84c9e9d240cee612406dcf18a4558ed1..b06e4756c3d727d58cdcb618a6082cea40aef237 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "http://www.grpc.io/",
diff --git a/src/core/lib/surface/version.c b/src/core/lib/surface/version.c
index f0005363d56262f7ecce98339ba297eded5f7e07..dab7f542ee62e586e71a4d00348e530c714397b9 100644
--- a/src/core/lib/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -36,4 +36,4 @@
 
 #include <grpc/grpc.h>
 
-const char *grpc_version_string(void) { return "1.0.0-pre1"; }
+const char *grpc_version_string(void) { return "1.0.0-pre2"; }
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.Auth/project.json b/src/csharp/Grpc.Auth/project.json
index 34a4e2f1b69f26aace7552016a62e452fd443e07..6a1c9fc99005a35e8ed813244192835e83fd8df1 100644
--- a/src/csharp/Grpc.Auth/project.json
+++ b/src/csharp/Grpc.Auth/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "title": "gRPC C# Auth",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
@@ -22,7 +22,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.0.0-pre1",
+    "Grpc.Core": "1.0.0-pre2",
     "Google.Apis.Auth": "1.11.1"
   },
   "frameworks": {
@@ -32,9 +32,9 @@
         "net45"
       ],
       "dependencies": {
-        "Microsoft.NETCore.Portable.Compatibility": "1.0.1-rc2-24027",
-        "NETStandard.Library": "1.5.0-rc2-24027",
-        "System.Threading.Tasks": "4.0.11-rc2-24027"
+        "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
+        "NETStandard.Library": "1.6.0",
+        "System.Threading.Tasks": "4.0.11"
       }
     }
   }
diff --git a/src/csharp/Grpc.Core.Tests/AppDomainUnloadTest.cs b/src/csharp/Grpc.Core.Tests/AppDomainUnloadTest.cs
index 064bc13cabb4ee7033137cf13c67b7562cc16f6c..d7ebdb4201e7303e00fb829d5dc53cc716fed5ec 100644
--- a/src/csharp/Grpc.Core.Tests/AppDomainUnloadTest.cs
+++ b/src/csharp/Grpc.Core.Tests/AppDomainUnloadTest.cs
@@ -40,7 +40,7 @@ namespace Grpc.Core.Tests
 {
     public class AppDomainUnloadTest
     {
-#if NETSTANDARD1_5
+#if NETCOREAPP1_0
         [Test]
         [Ignore("Not supported for CoreCLR")]
         public void AppDomainUnloadHookCanCleanupAbandonedCall()
diff --git a/src/csharp/Grpc.Core.Tests/NUnitMain.cs b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
index 24a9f846d10891e18273afbd110c71c3b35daf0d..870c726ac0e720f9e210c2d6c2ca82721b97ec01 100644
--- a/src/csharp/Grpc.Core.Tests/NUnitMain.cs
+++ b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
@@ -49,7 +49,7 @@ namespace Grpc.Core.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
-#if NETSTANDARD1_5
+#if NETCOREAPP1_0
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);
diff --git a/src/csharp/Grpc.Core.Tests/SanityTest.cs b/src/csharp/Grpc.Core.Tests/SanityTest.cs
index 501992c56959372f22cd0a05f5cf9e4af99706a3..19c7a0b4401be56ea77af2a0e4a5afae3269b57f 100644
--- a/src/csharp/Grpc.Core.Tests/SanityTest.cs
+++ b/src/csharp/Grpc.Core.Tests/SanityTest.cs
@@ -46,7 +46,7 @@ namespace Grpc.Core.Tests
     public class SanityTest
     {
         // TODO: make sanity test work for CoreCLR as well
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
         /// <summary>
         /// Because we depend on a native library, sometimes when things go wrong, the
         /// entire NUnit test process crashes. To be able to track down problems better,
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..014e2262e9faf661cf67c02b05282ed26e162288 100644
--- a/src/csharp/Grpc.Core.Tests/project.json
+++ b/src/csharp/Grpc.Core.Tests/project.json
@@ -54,16 +54,20 @@
     },
     "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": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   },
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index e9f5c63372f7e8dc39af10519ada17d4658836b7..37df7ff4891af6be0adf41c5984ed36d2d6f9d04 100644
--- a/src/csharp/Grpc.Core/VersionInfo.cs
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -53,6 +53,6 @@ namespace Grpc.Core
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "1.0.0-pre1";
+        public const string CurrentVersion = "1.0.0-pre2";
     }
 }
diff --git a/src/csharp/Grpc.Core/project.json b/src/csharp/Grpc.Core/project.json
index 7a676f59a64df705fda5ca4191c09c63c0e43939..17191849e6c7baa1c246daba08d9d272e70af826 100644
--- a/src/csharp/Grpc.Core/project.json
+++ b/src/csharp/Grpc.Core/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "title": "gRPC C# Core",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
@@ -40,8 +40,8 @@
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027",
-        "System.Threading.Thread": "4.0.0-rc2-24027"
+        "NETStandard.Library": "1.6.0",
+        "System.Threading.Thread": "4.0.0"
       }
     }
   }
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.MathClient/project.json b/src/csharp/Grpc.Examples.MathClient/project.json
index 206d6c598244c1f9e00c32d05444907531109b17..ad319478ab07112f9b268d491e6d3734d5da96e8 100644
--- a/src/csharp/Grpc.Examples.MathClient/project.json
+++ b/src/csharp/Grpc.Examples.MathClient/project.json
@@ -55,12 +55,13 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
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.Examples.MathServer/project.json b/src/csharp/Grpc.Examples.MathServer/project.json
index 206d6c598244c1f9e00c32d05444907531109b17..ad319478ab07112f9b268d491e6d3734d5da96e8 100644
--- a/src/csharp/Grpc.Examples.MathServer/project.json
+++ b/src/csharp/Grpc.Examples.MathServer/project.json
@@ -55,12 +55,13 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.Examples.Tests/NUnitMain.cs b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
index 1a522cab932f20502c0e93806cda42b8836d79e7..7ba1074d441ad0a01cf69439c450acf792d8836a 100644
--- a/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
+++ b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
@@ -49,7 +49,7 @@ namespace Grpc.Examples.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
-#if NETSTANDARD1_5
+#if NETCOREAPP1_0
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);
diff --git a/src/csharp/Grpc.Examples.Tests/project.json b/src/csharp/Grpc.Examples.Tests/project.json
index b4c4c5f69104688408e266a97bb12461809bc9a6..1cd1848e99fb342f4f8294c7d8dd6b0f09d7ddff 100644
--- a/src/csharp/Grpc.Examples.Tests/project.json
+++ b/src/csharp/Grpc.Examples.Tests/project.json
@@ -57,12 +57,13 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.Examples/project.json b/src/csharp/Grpc.Examples/project.json
index 7d3f4dcbb1e4af55c7617e042e28207573103d1b..48ec530abb145c6bb099d700d4c2293d347b7f9a 100644
--- a/src/csharp/Grpc.Examples/project.json
+++ b/src/csharp/Grpc.Examples/project.json
@@ -20,7 +20,7 @@
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
index 44634671ce5764eb562f0b78601113d06cb35d72..dca61e3f966114fb9a1b7c9157583d6f71cd39ce 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
@@ -49,7 +49,7 @@ namespace Grpc.HealthCheck.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
-#if NETSTANDARD1_5
+#if NETCOREAPP1_0
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);
diff --git a/src/csharp/Grpc.HealthCheck.Tests/project.json b/src/csharp/Grpc.HealthCheck.Tests/project.json
index f44a3225ae65072c4c29bedbfb29aa1a4b3d3a25..faa44003044bdf434e087ad95b8bd3ad4f661308 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/project.json
+++ b/src/csharp/Grpc.HealthCheck.Tests/project.json
@@ -57,12 +57,13 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.HealthCheck/project.json b/src/csharp/Grpc.HealthCheck/project.json
index 906dda36247aae23228998e159d2a574da7eeba9..aa7a6b69cafc3bd05b7794ca29ccbaa2eb41061b 100644
--- a/src/csharp/Grpc.HealthCheck/project.json
+++ b/src/csharp/Grpc.HealthCheck/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "title": "gRPC C# Healthchecking",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
@@ -22,7 +22,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.0.0-pre1",
+    "Grpc.Core": "1.0.0-pre2",
     "Google.Protobuf": "3.0.0-beta3"
   },
   "frameworks": {
@@ -37,7 +37,7 @@
         "portable-net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/project.json b/src/csharp/Grpc.IntegrationTesting.Client/project.json
index 6b61a4b76e8019104577f1886e0450de97797870..287950720fe6a6cc0e4c3360bc61beb1f5e1e5f9 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Client/project.json
@@ -57,13 +57,14 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45",
         "net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
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.QpsWorker/project.json b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
index 6b61a4b76e8019104577f1886e0450de97797870..287950720fe6a6cc0e4c3360bc61beb1f5e1e5f9 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
@@ -57,13 +57,14 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45",
         "net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/project.json b/src/csharp/Grpc.IntegrationTesting.Server/project.json
index 6b61a4b76e8019104577f1886e0450de97797870..287950720fe6a6cc0e4c3360bc61beb1f5e1e5f9 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Server/project.json
@@ -57,13 +57,14 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45",
         "net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
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/csharp/Grpc.IntegrationTesting.StressClient/project.json b/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
index 6b61a4b76e8019104577f1886e0450de97797870..287950720fe6a6cc0e4c3360bc61beb1f5e1e5f9 100644
--- a/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
@@ -57,13 +57,14 @@
   },
   "frameworks": {
     "net45": { },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45",
         "net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
index eb7b55a28631743d72458356cb53bf327d75ef27..c17ede75610a60ef7fb54a4494b3419a530ff5c7 100644
--- a/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
@@ -49,7 +49,7 @@ namespace Grpc.IntegrationTesting
         TestService.TestServiceClient unimplementedClient = new UnimplementedTestServiceClient();
 
         // TODO: replace Moq by some mocking library with CoreCLR support.
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
         [Test]
         public void ExpandedParamOverloadCanBeMocked()
         {
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index e27fe5b3d80e5abd5046ce0b5e5c005f51685f88..ec407d3fcf49a5a89e0ca567e86031efce71705d 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -145,7 +145,7 @@ namespace Grpc.IntegrationTesting
 
             if (options.TestCase == "jwt_token_creds")
             {
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
                 var googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
                 Assert.IsTrue(googleCredential.IsCreateScopedRequired);
                 credentials = ChannelCredentials.Create(credentials, googleCredential.ToCallCredentials());
@@ -157,7 +157,7 @@ namespace Grpc.IntegrationTesting
 
             if (options.TestCase == "compute_engine_creds")
             {
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
                 var googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
                 Assert.IsFalse(googleCredential.IsCreateScopedRequired);
                 credentials = ChannelCredentials.Create(credentials, googleCredential.ToCallCredentials());
@@ -395,7 +395,7 @@ namespace Grpc.IntegrationTesting
 
         public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client, string oauthScope)
         {
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
             Console.WriteLine("running oauth2_auth_token");
             ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
             string oauth2Token = await credential.GetAccessTokenForRequestAsync();
@@ -421,7 +421,7 @@ namespace Grpc.IntegrationTesting
 
         public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string oauthScope)
         {
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
             Console.WriteLine("running per_rpc_creds");
             ITokenAccess googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
 
@@ -731,7 +731,7 @@ namespace Grpc.IntegrationTesting
         // extracts the client_email field from service account file used for auth test cases
         private static string GetEmailFromServiceAccountFile()
         {
-#if !NETSTANDARD1_5
+#if !NETCOREAPP1_0
             string keyFile = Environment.GetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS");
             Assert.IsNotNull(keyFile);
             var jobject = JObject.Parse(File.ReadAllText(keyFile));
diff --git a/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
index 100ff0b5de9c3d7529e7cfd0613afe56eb447b77..21c8adb45c72b6ff62eeb9966afca784a3b59fa1 100644
--- a/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
+++ b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
@@ -49,7 +49,7 @@ namespace Grpc.IntegrationTesting
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
-#if NETSTANDARD1_5
+#if NETCOREAPP1_0
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);
diff --git a/src/csharp/Grpc.IntegrationTesting/project.json b/src/csharp/Grpc.IntegrationTesting/project.json
index dcd9ccabd295c436f51543a64c9f6b9f89aab5d3..bb61a679c1fc6848ceb38012792755d33dbe5ab5 100644
--- a/src/csharp/Grpc.IntegrationTesting/project.json
+++ b/src/csharp/Grpc.IntegrationTesting/project.json
@@ -72,14 +72,15 @@
         "System.IO": ""
       }
     },
-    "netstandard1.5": {
+    "netcoreapp1.0": {
       "imports": [
         "portable-net45",
         "net45"
       ],
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027",
-        "System.Linq.Expressions": "4.0.11-rc2-24027"
+        "Microsoft.NETCore.App": "1.0.0",
+        "NETStandard.Library": "1.6.0",
+        "System.Linq.Expressions": "4.1.0"
       }
     }
   }
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index ffb70addad59273dd911b6c8710f9b9a321026f3..1d40ef9eb2d242a603389a7b209caa0c7e68c0af 100644
--- a/src/csharp/build_packages.bat
+++ b/src/csharp/build_packages.bat
@@ -30,7 +30,7 @@
 @rem Builds gRPC NuGet packages
 
 @rem Current package versions
-set VERSION=1.0.0-pre1
+set VERSION=1.0.0-pre2
 set PROTOBUF_VERSION=3.0.0-beta3
 
 @rem Packages that depend on prerelease packages (like Google.Protobuf) need to have prerelease suffix as well.
diff --git a/src/node/health_check/package.json b/src/node/health_check/package.json
index bdacb66825d81544f8662626b8578870e4c9a478..472a80b6e7f42635ab098e8e2b6ab875f02ff245 100644
--- a/src/node/health_check/package.json
+++ b/src/node/health_check/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-health-check",
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "author": "Google Inc.",
   "description": "Health check service for use with gRPC",
   "repository": {
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
index 7efa0d3f402daa011d63a859eb7aabca7fe066fd..8ae51741785a176cb97f95fa2dfbd73ff854209b 100644
--- a/src/node/tools/package.json
+++ b/src/node/tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-tools",
-  "version": "1.0.0-pre1",
+  "version": "1.0.0-pre2",
   "author": "Google Inc.",
   "description": "Tools for developing with gRPC on Node.js",
   "homepage": "http://www.grpc.io/",
diff --git a/src/php/ext/grpc/channel.c b/src/php/ext/grpc/channel.c
index e96ead582f4dd3285ea7686121bf35720a254717..b5a2c9f6bafd999b1b5a8f95a79bfb1e20e925e4 100644
--- a/src/php/ext/grpc/channel.c
+++ b/src/php/ext/grpc/channel.c
@@ -84,7 +84,7 @@ void php_grpc_read_args_array(zval *args_array,
   array_hash = Z_ARRVAL_P(args_array);
   if (!array_hash) {
     zend_throw_exception(spl_ce_InvalidArgumentException,
-                         "array_hash is NULL", 1);
+                         "array_hash is NULL", 1 TSRMLS_CC);
     return;
   }
   args->num_args = zend_hash_num_elements(array_hash);
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index d1e2d418c32d8739d2520e7d3c68c575abed0132..c5c358cbb9dae34353d0c872bef8f3fc907e05f0 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_version.py.template`!!!
 
-VERSION='1.0.0rc1'
+VERSION='1.0.0rc2'
diff --git a/src/python/grpcio_health_checking/grpc_version.py b/src/python/grpcio_health_checking/grpc_version.py
index 2e48fde8931ee82ce5482ba179a835fb6d86dbf2..4bc1f3ffb1859b323a86368fa5120eece61f7401 100644
--- a/src/python/grpcio_health_checking/grpc_version.py
+++ b/src/python/grpcio_health_checking/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_health_checking/grpc_version.py.template`!!!
 
-VERSION='1.0.0rc1'
+VERSION='1.0.0rc2'
diff --git a/src/python/grpcio_tests/grpc_version.py b/src/python/grpcio_tests/grpc_version.py
index a2387857c6c2cea8bffe8a919fb2e72685553862..16e4eb8ba7330180ef3180c233cd22666799df03 100644
--- a/src/python/grpcio_tests/grpc_version.py
+++ b/src/python/grpcio_tests/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_tests/grpc_version.py.template`!!!
 
-VERSION='1.0.0rc1'
+VERSION='1.0.0rc2'
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index e57fb3c14f8c7b96904edbd1a216a2b38af44c26..9e53780e447c042aa13f05678e4a3fdb69ed99df 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -29,5 +29,5 @@
 
 # GRPC contains the General RPC module.
 module GRPC
-  VERSION = '1.0.0.pre1'
+  VERSION = '1.0.0.pre2'
 end
diff --git a/src/ruby/tools/version.rb b/src/ruby/tools/version.rb
index 2e318b82ad53bf221f07f55cbc564d1faeae2686..84c03b255d531436df60539ecd0b373c56acec0c 100644
--- a/src/ruby/tools/version.rb
+++ b/src/ruby/tools/version.rb
@@ -29,6 +29,6 @@
 
 module GRPC
   module Tools
-    VERSION = '1.0.0.pre1'
+    VERSION = '1.0.0.pre2'
   end
 end
diff --git a/templates/src/csharp/Grpc.Auth/project.json.template b/templates/src/csharp/Grpc.Auth/project.json.template
index d91bd8ce1df5d254a34a20255443a4b07b40b7b9..b3244e4d3c94e80be862ba9934180572c12f50d7 100644
--- a/templates/src/csharp/Grpc.Auth/project.json.template
+++ b/templates/src/csharp/Grpc.Auth/project.json.template
@@ -34,9 +34,9 @@
           "net45"
         ],
         "dependencies": {
-          "Microsoft.NETCore.Portable.Compatibility": "1.0.1-rc2-24027",
-          "NETStandard.Library": "1.5.0-rc2-24027",
-          "System.Threading.Tasks": "4.0.11-rc2-24027"
+          "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
+          "NETStandard.Library": "1.6.0",
+          "System.Threading.Tasks": "4.0.11"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Core.Tests/project.json.template b/templates/src/csharp/Grpc.Core.Tests/project.json.template
index bc9fa3e63a9b5d381c08f31fe7ed79f849546416..3452d6b4b025b7694373abf9b52ea512c5c6333f 100644
--- a/templates/src/csharp/Grpc.Core.Tests/project.json.template
+++ b/templates/src/csharp/Grpc.Core.Tests/project.json.template
@@ -8,16 +8,20 @@
       },
       "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": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     },
diff --git a/templates/src/csharp/Grpc.Core/project.json.template b/templates/src/csharp/Grpc.Core/project.json.template
index 6355db53892e2872e2b45558ae2d1bcb0f8db8ff..bd0e8b2c138670d73162e32219c09d517c61f453 100644
--- a/templates/src/csharp/Grpc.Core/project.json.template
+++ b/templates/src/csharp/Grpc.Core/project.json.template
@@ -42,8 +42,8 @@
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027",
-          "System.Threading.Thread": "4.0.0-rc2-24027"
+          "NETStandard.Library": "1.6.0",
+          "System.Threading.Thread": "4.0.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Examples.MathClient/project.json.template b/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
index fba401c3a4725f4408a52c1ab492ff8f80d7da61..67151dbcfa8eea2511a5c860bf1630d632d84381 100644
--- a/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
+++ b/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
@@ -9,12 +9,13 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Examples.MathServer/project.json.template b/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
index fba401c3a4725f4408a52c1ab492ff8f80d7da61..67151dbcfa8eea2511a5c860bf1630d632d84381 100644
--- a/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
+++ b/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
@@ -9,12 +9,13 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Examples.Tests/project.json.template b/templates/src/csharp/Grpc.Examples.Tests/project.json.template
index 21765f0565c9e2d99d02c01a28526f6d1d2c0327..af13cb58501812c0cb397c5bc5553329512a90cc 100644
--- a/templates/src/csharp/Grpc.Examples.Tests/project.json.template
+++ b/templates/src/csharp/Grpc.Examples.Tests/project.json.template
@@ -11,12 +11,13 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Examples/project.json.template b/templates/src/csharp/Grpc.Examples/project.json.template
index 715fc08725615af4a84c7034e7a73e3dbc06933e..d5d63f658e499a446844937a9f8a5fcf07df369f 100644
--- a/templates/src/csharp/Grpc.Examples/project.json.template
+++ b/templates/src/csharp/Grpc.Examples/project.json.template
@@ -20,7 +20,7 @@
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.HealthCheck.Tests/project.json.template b/templates/src/csharp/Grpc.HealthCheck.Tests/project.json.template
index 79e67226cb4ae68953f7b3341deb6da373d01a5e..417b773a428982e15c4fb654506ff2d3c9572a7f 100644
--- a/templates/src/csharp/Grpc.HealthCheck.Tests/project.json.template
+++ b/templates/src/csharp/Grpc.HealthCheck.Tests/project.json.template
@@ -11,12 +11,13 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.HealthCheck/project.json.template b/templates/src/csharp/Grpc.HealthCheck/project.json.template
index 264ed292050c768134416e7263992fec8af70187..cd2da0089bbf3e83b957638a23bd19e700cd8682 100644
--- a/templates/src/csharp/Grpc.HealthCheck/project.json.template
+++ b/templates/src/csharp/Grpc.HealthCheck/project.json.template
@@ -39,7 +39,7 @@
           "portable-net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.IntegrationTesting.Client/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting.Client/project.json.template
index 10ed5493477ad92978c8109266f402a27d9259f6..93151f2b89ebd9a814e5ecba59f9a1c8676bdef3 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting.Client/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting.Client/project.json.template
@@ -9,13 +9,14 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45",
           "net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
index 10ed5493477ad92978c8109266f402a27d9259f6..93151f2b89ebd9a814e5ecba59f9a1c8676bdef3 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
@@ -9,13 +9,14 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45",
           "net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.IntegrationTesting.Server/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting.Server/project.json.template
index 10ed5493477ad92978c8109266f402a27d9259f6..93151f2b89ebd9a814e5ecba59f9a1c8676bdef3 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting.Server/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting.Server/project.json.template
@@ -9,13 +9,14 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45",
           "net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.IntegrationTesting.StressClient/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting.StressClient/project.json.template
index 10ed5493477ad92978c8109266f402a27d9259f6..93151f2b89ebd9a814e5ecba59f9a1c8676bdef3 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting.StressClient/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting.StressClient/project.json.template
@@ -9,13 +9,14 @@
     },
     "frameworks": {
       "net45": { },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45",
           "net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.IntegrationTesting/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
index 3181511485703ef8ed14de737ccd8ea6d03b3a97..0a7d5e9af409f3b11f24beed4bce649711d32466 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
@@ -24,14 +24,15 @@
           "System.IO": ""
         }
       },
-      "netstandard1.5": {
+      "netcoreapp1.0": {
         "imports": [
           "portable-net45",
           "net45"
         ],
         "dependencies": {
-          "NETStandard.Library": "1.5.0-rc2-24027",
-          "System.Linq.Expressions": "4.0.11-rc2-24027"
+          "Microsoft.NETCore.App": "1.0.0",
+          "NETStandard.Library": "1.6.0",
+          "System.Linq.Expressions": "4.1.0"
         }
       }
     }
diff --git a/tools/distrib/python/grpcio_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_version.py
index 7938b3d029382a00d9634549b215f2956a79df34..91f6849e47619686c47be4faac50a1568981c5f5 100644
--- a/tools/distrib/python/grpcio_tools/grpc_version.py
+++ b/tools/distrib/python/grpcio_tools/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION='1.0.0rc1'
+VERSION='1.0.0rc2'
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index fa4b50f8f3c23cc9d06d1637741870bf0f037464..db3d27c5f6bef6a79707208dee20704612f18f18 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.0.0-pre1
+PROJECT_NUMBER         = 1.0.0-pre2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 1473594dfc69bd1e98d4496756b6eeef4cbe5fcf..9ff396a7cf36edb76b4dce40cbd0e3f76a659597 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.0.0-pre1
+PROJECT_NUMBER         = 1.0.0-pre2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index 7619b95734307460ff4e5d911135f499762cde75..696bf4c7dc349c807c96b2658e51253c4ce16fb8 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Core"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.0.0-pre1
+PROJECT_NUMBER         = 1.0.0-pre2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 66d615664f191aefe7522fe802d89ac56eaa3c60..44c17f36157868dbd8c60b8891774675146cd499 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Core"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.0.0-pre1
+PROJECT_NUMBER         = 1.0.0-pre2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/run_tests/build_csharp_coreclr.sh b/tools/run_tests/build_csharp_coreclr.sh
index 733b1a2083cd438aa2d67a9eee0acacbb0cf1b2b..02cf0d39cb53835d85e051731ff66896bac3005a 100755
--- a/tools/run_tests/build_csharp_coreclr.sh
+++ b/tools/run_tests/build_csharp_coreclr.sh
@@ -35,4 +35,4 @@ cd $(dirname $0)/../../src/csharp
 # TODO(jtattermusch): introduce caching
 dotnet restore .
 
-dotnet build -f netstandard1.5 --configuration $MSBUILD_CONFIG '**/project.json'
+dotnet build --configuration $MSBUILD_CONFIG '**/project.json'
diff --git a/tools/run_tests/build_package_node.sh b/tools/run_tests/build_package_node.sh
index ef4a10cca721b4dbfb43fb37bbf752ed428a6153..f20daeaea097df86bc74bb0b68c1b0bb7a5ebdb2 100755
--- a/tools/run_tests/build_package_node.sh
+++ b/tools/run_tests/build_package_node.sh
@@ -49,7 +49,12 @@ cp grpc-*.tgz $artifacts/grpc.tgz
 
 mkdir -p bin
 
-cd src/node/tools
+cd $base/src/node/health_check
+npm update
+npm pack
+cp grpc-health-check-*.tgz $artifacts/
+
+cd $base/src/node/tools
 npm update
 npm pack
 cp grpc-tools-*.tgz $artifacts/
diff --git a/tools/run_tests/build_python.sh b/tools/run_tests/build_python.sh
index 13d745d14fef1cf6b0c7574907e0a0462662a40e..83e456d3ed202b8b46e3b6e6b7576a52e344ac99 100755
--- a/tools/run_tests/build_python.sh
+++ b/tools/run_tests/build_python.sh
@@ -168,7 +168,9 @@ pip_install_dir() {
   cd $PWD
 }
 
-$VENV_PYTHON -m pip install --upgrade pip setuptools
+$VENV_PYTHON -m pip install --upgrade pip
+# TODO(https://github.com/pypa/setuptools/issues/709) get the latest setuptools
+$VENV_PYTHON -m pip install setuptools==25.1.1
 $VENV_PYTHON -m pip install cython
 pip_install_dir $ROOT
 $VENV_PYTHON $ROOT/tools/distrib/python/make_grpcio_tools.py
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