diff --git a/ApacheThrift.nuspec b/ApacheThrift.nuspec
index 54ed2c6..8ed9236 100644
--- a/ApacheThrift.nuspec
+++ b/ApacheThrift.nuspec
@@ -21,14 +21,14 @@
      the "Thrift" project.
   3. nuget setApiKey <your-api-key>
   3. nuget pack ApacheThrift.nuspec -Symbols -SymbolPackageFormat snupkg
-  4. nuget push ApacheThrift.1.0.0.nupkg -Source https://api.nuget.org/v3/index.json
+  4. nuget push ApacheThrift.0.13.0.nupkg -Source https://api.nuget.org/v3/index.json
   -->
 
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>ApacheThrift</id>
-    <version>1.0.0</version>
-    <title>Apache Thrift 1.0.0</title>
+    <version>0.13.0</version>
+    <title>Apache Thrift 0.13.0</title>
     <authors>Apache Thrift Developers</authors>
     <owners>Apache Software Foundation</owners>
     <license type="expression">Apache-2.0</license>
@@ -39,7 +39,7 @@
       Contains runtime libraries from lib/csharp for net35 and net45 frameworks, 
       and from lib/netcore for netstandard2.0 framework development.
     </description>
-    <repository type="GitHub" url="https://github.com/apache/thrift" branch="release/1.0.0" />
+    <repository type="GitHub" url="https://github.com/apache/thrift" branch="release/0.13.0" />
     <tags>Apache Thrift RPC</tags>
   </metadata>
   <files>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e9ebbab..f0165f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@
 
 # PACKAGE_VERSION is used by cpack scripts currently
 # Both thrift_VERSION and PACKAGE_VERSION should be the same for now
-set(thrift_VERSION "1.0.0")
+set(thrift_VERSION "0.13.0")
 set(PACKAGE_VERSION ${thrift_VERSION})
 
 project("thrift" VERSION ${PACKAGE_VERSION})
diff --git a/Thrift.podspec b/Thrift.podspec
index 126c00b..cb1c9b2 100644
--- a/Thrift.podspec
+++ b/Thrift.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name          = "Thrift-swift3"
-  s.version       = "1.0.0"
+  s.version       = "0.13.0"
   s.summary       = "Apache Thrift is a lightweight, language-independent software stack with an associated code generation mechanism for RPC."
   s.description   = <<-DESC
 The Apache Thrift scalable cross-language software framework for networked services development combines a software stack with a code generation engine to build services that work efficiently and seamlessly between many programming languages.
@@ -11,6 +11,6 @@
   s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.10'
   s.requires_arc  = true
-  s.source        = { :git => "https://github.com/apache/thrift.git", :tag => "v1.0.0" }
+  s.source        = { :git => "https://github.com/apache/thrift.git", :tag => "v0.13.0" }
   s.source_files  = "lib/swift/Sources/*.swift"
 end
diff --git a/appveyor.yml b/appveyor.yml
index 977ade6..6cbabf1 100755
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,7 +19,7 @@
 
 # build Apache Thrift on AppVeyor - https://ci.appveyor.com
 
-version: '1.0.0.{build}'
+version: '0.13.0.{build}'
 
 shallow_clone: true
 
diff --git a/bower.json b/bower.json
index 853b8cb..c602af1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "1.0.0",
+  "version": "0.13.0",
   "homepage": "https://github.com/apache/thrift.git",
   "authors": [
     "Apache Thrift <dev@thrift.apache.org>"
diff --git a/configure.ac b/configure.ac
index a299785..1fcd2fb 100755
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 AC_PREREQ(2.65)
 AC_CONFIG_MACRO_DIR([./aclocal])
 
-AC_INIT([thrift], [1.0.0])
+AC_INIT([thrift], [0.13.0])
 
 AC_CONFIG_AUX_DIR([.])
 
diff --git a/contrib/thrift.spec b/contrib/thrift.spec
index ffdfab2..cbb08fb 100644
--- a/contrib/thrift.spec
+++ b/contrib/thrift.spec
@@ -28,7 +28,7 @@
 License:        Apache License v2.0
 Group:          Development
 Summary:        RPC and serialization framework
-Version:        1.0.0
+Version:        0.13.0
 Release:        0
 URL:            http://thrift.apache.org
 Packager:       Thrift Developers <dev@thrift.apache.org>
diff --git a/doc/specs/idl.md b/doc/specs/idl.md
index 069f2fc..524f4e7 100644
--- a/doc/specs/idl.md
+++ b/doc/specs/idl.md
@@ -1,6 +1,6 @@
 ## Thrift interface description language
 
-For Thrift version 1.0.0.
+For Thrift version 0.13.0.
 
 The Thrift interface definition language (IDL) allows for the definition of [Thrift Types](/docs/types). A Thrift IDL file is processed by the Thrift code generator to produce code for the various target languages to support the defined structs and services in the IDL file.
 
diff --git a/lib/as3/gradle.properties b/lib/as3/gradle.properties
index 8c8755e..02d5eef 100644
--- a/lib/as3/gradle.properties
+++ b/lib/as3/gradle.properties
@@ -1,7 +1,7 @@
 # This file is shared currently between this Gradle build and the
 # Ant builds for fd303 and JavaScript. Keep the dotted notation for
 # the properties to minimize the changes in the dependencies.
-thrift.version=1.0.0
+thrift.version=0.13.0
 thrift.groupid=org.apache.thrift
 release=false
 sign=false
diff --git a/lib/csharp/ThriftMSBuildTask/Properties/AssemblyInfo.cs b/lib/csharp/ThriftMSBuildTask/Properties/AssemblyInfo.cs
index c741b72..6e99dd9 100644
--- a/lib/csharp/ThriftMSBuildTask/Properties/AssemblyInfo.cs
+++ b/lib/csharp/ThriftMSBuildTask/Properties/AssemblyInfo.cs
@@ -56,5 +56,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.*")]
-[assembly: AssemblyFileVersion("1.0.0.*")]
+[assembly: AssemblyVersion("0.13.0.*")]
+[assembly: AssemblyFileVersion("0.13.0.*")]
diff --git a/lib/csharp/ThriftMSBuildTask/ThriftMSBuildTask.csproj b/lib/csharp/ThriftMSBuildTask/ThriftMSBuildTask.csproj
index a319df2..f4a26de 100644
--- a/lib/csharp/ThriftMSBuildTask/ThriftMSBuildTask.csproj
+++ b/lib/csharp/ThriftMSBuildTask/ThriftMSBuildTask.csproj
@@ -45,7 +45,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.0</ApplicationVersion>
+    <ApplicationVersion>0.13.0.0</ApplicationVersion>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
diff --git a/lib/csharp/src/Properties/AssemblyInfo.cs b/lib/csharp/src/Properties/AssemblyInfo.cs
index 7e86781..ace0310 100644
--- a/lib/csharp/src/Properties/AssemblyInfo.cs
+++ b/lib/csharp/src/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 //
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/lib/csharp/src/Thrift.csproj b/lib/csharp/src/Thrift.csproj
index bf65569..0a1552f 100644
--- a/lib/csharp/src/Thrift.csproj
+++ b/lib/csharp/src/Thrift.csproj
@@ -45,7 +45,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.0</ApplicationVersion>
+    <ApplicationVersion>0.13.0.0</ApplicationVersion>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
diff --git a/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj b/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj
index 21e1ce1..09d20f5 100644
--- a/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj
+++ b/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj
@@ -46,7 +46,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.0</ApplicationVersion>
+    <ApplicationVersion>0.13.0.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
diff --git a/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs b/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs
index f686ded..0b65c1e 100644
--- a/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs
+++ b/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj b/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj
index c4a4394..23d3253 100644
--- a/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj
+++ b/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj
@@ -46,7 +46,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.0</ApplicationVersion>
+    <ApplicationVersion>0.13.0.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
diff --git a/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs b/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs
index 5d40546..2b8a6af 100644
--- a/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs
+++ b/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/lib/csharp/test/ThriftMVCTest/Properties/AssemblyInfo.cs b/lib/csharp/test/ThriftMVCTest/Properties/AssemblyInfo.cs
index cfe8894..b812aaf 100644
--- a/lib/csharp/test/ThriftMVCTest/Properties/AssemblyInfo.cs
+++ b/lib/csharp/test/ThriftMVCTest/Properties/AssemblyInfo.cs
@@ -49,5 +49,5 @@
 //
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/lib/d/src/thrift/base.d b/lib/d/src/thrift/base.d
index d5ece73..150c3da 100644
--- a/lib/d/src/thrift/base.d
+++ b/lib/d/src/thrift/base.d
@@ -50,7 +50,7 @@
 /// The Thrift version string, used for informative purposes.
 // Note: This is currently hardcoded, but will likely be filled in by the build
 // system in future versions.
-enum VERSION = "1.0.0";
+enum VERSION = "0.13.0";
 
 /**
  * Functions used for logging inside Thrift.
diff --git a/lib/dart/pubspec.yaml b/lib/dart/pubspec.yaml
index ded0269..f406b99 100644
--- a/lib/dart/pubspec.yaml
+++ b/lib/dart/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: thrift
-version: 1.0.0
+version: 0.13.0
 description: >
   A Dart library for Apache Thrift
 author: Apache Thrift Developers <dev@thrift.apache.org>
diff --git a/lib/delphi/src/Thrift.pas b/lib/delphi/src/Thrift.pas
index 62481e7..2ee8344 100644
--- a/lib/delphi/src/Thrift.pas
+++ b/lib/delphi/src/Thrift.pas
@@ -27,7 +27,7 @@
   Thrift.Protocol;
 
 const
-  Version = '1.0.0';
+  Version = '0.13.0';
 
 type
   TException = Thrift.Exception.TException; // compatibility alias
diff --git a/lib/erl/src/thrift.app.src b/lib/erl/src/thrift.app.src
index b3b225f..e5e6ed5 100644
--- a/lib/erl/src/thrift.app.src
+++ b/lib/erl/src/thrift.app.src
@@ -22,7 +22,7 @@
   {description, "Thrift bindings"},
 
   % The version of the applicaton
-  {vsn, "1.0.0"},
+  {vsn, "0.13.0"},
 
   % All modules used by the application.
   {modules, [
diff --git a/lib/haxe/haxelib.json b/lib/haxe/haxelib.json
index 992ad90..b3c1530 100644
--- a/lib/haxe/haxelib.json
+++ b/lib/haxe/haxelib.json
@@ -4,7 +4,7 @@
 	"license": "Apache",
 	"tags": ["thrift", "rpc", "serialization", "cross", "framework"],
 	"description": "Haxe bindings for the Apache Thrift RPC and serialization framework",
-	"version": "1.0.0",
+	"version": "0.13.0",
 	"releasenote": "Licensed under Apache License, Version 2.0. The Apache Thrift compiler needs to be installed separately.",
 	"contributors": ["Apache Software Foundation (ASF)"],
 	"dependencies": { },
diff --git a/lib/hs/thrift.cabal b/lib/hs/thrift.cabal
index 5515556..84a59ac 100644
--- a/lib/hs/thrift.cabal
+++ b/lib/hs/thrift.cabal
@@ -18,7 +18,7 @@
 --
 
 Name:           thrift
-Version:        1.0.0
+Version:        0.13.0
 Cabal-Version:  1.24
 License:        OtherLicense
 Category:       Foreign
diff --git a/lib/java/gradle.properties b/lib/java/gradle.properties
index 5525610..a964675 100644
--- a/lib/java/gradle.properties
+++ b/lib/java/gradle.properties
@@ -1,7 +1,7 @@
 # This file is shared currently between this Gradle build and the
 # Ant builds for fd303 and JavaScript. Keep the dotted notation for
 # the properties to minimize the changes in the dependencies.
-thrift.version=1.0.0
+thrift.version=0.13.0
 thrift.groupid=org.apache.thrift
 release=false
 
diff --git a/lib/js/package-lock.json b/lib/js/package-lock.json
index 19710df..7c8374f 100644
--- a/lib/js/package-lock.json
+++ b/lib/js/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "1.0.0",
+  "version": "0.13.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/lib/js/package.json b/lib/js/package.json
index a35ac15..b5c0238 100644
--- a/lib/js/package.json
+++ b/lib/js/package.json
@@ -1,6 +1,15 @@
 {
   "name": "thrift",
-  "version": "1.0.0",
+  "version": "0.13.0",
+  "description": "Thrift is a software framework for scalable cross-language services development.",
+  "author": {
+    "name": "Apache Thrift Developers",
+    "email": "dev@thrift.apache.org"
+  },
+  "bugs": "https://issues.apache.org/jira/projects/THRIFT/summary",
+  "homepage": "http://thrift.apache.org",
+  "repository": "https://github.com/apache/thrift",
+  "license": "Apache-2.0",
   "devDependencies": {
     "browserify": "^16.2.3",
     "grunt": "^1.0.2",
diff --git a/lib/js/src/thrift.js b/lib/js/src/thrift.js
index b9fa62d..0b4a292 100644
--- a/lib/js/src/thrift.js
+++ b/lib/js/src/thrift.js
@@ -46,7 +46,7 @@
      * @const {string} Version
      * @memberof Thrift
      */
-    Version: '1.0.0',
+    Version: '0.13.0',
 
     /**
      * Thrift IDL type string to Id mapping.
diff --git a/lib/lua/Thrift.lua b/lib/lua/Thrift.lua
index 68d4ba8..a948b3d 100644
--- a/lib/lua/Thrift.lua
+++ b/lib/lua/Thrift.lua
@@ -48,7 +48,7 @@
   return count
 end
 
-version = '1.0.0'
+version = '0.13.0'
 
 TType = {
   STOP   = 0,
diff --git a/lib/netcore/Thrift/Properties/AssemblyInfo.cs b/lib/netcore/Thrift/Properties/AssemblyInfo.cs
index 8341723..0f433b6 100644
--- a/lib/netcore/Thrift/Properties/AssemblyInfo.cs
+++ b/lib/netcore/Thrift/Properties/AssemblyInfo.cs
@@ -52,5 +52,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/lib/netcore/Thrift/Transports/Client/THttpClientTransport.cs b/lib/netcore/Thrift/Transports/Client/THttpClientTransport.cs
index 797d380..949bee7 100644
--- a/lib/netcore/Thrift/Transports/Client/THttpClientTransport.cs
+++ b/lib/netcore/Thrift/Transports/Client/THttpClientTransport.cs
@@ -149,7 +149,7 @@
             }
 
             httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/x-thrift"));
-            httpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("THttpClientTransport", "1.0.0"));
+            httpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("THttpClientTransport", "0.13.0"));
 
             if (CustomHeaders != null)
             {
diff --git a/lib/ocaml/_oasis b/lib/ocaml/_oasis
index 5ad90df..83566aa 100644
--- a/lib/ocaml/_oasis
+++ b/lib/ocaml/_oasis
@@ -1,5 +1,5 @@
 Name: libthrift-ocaml
-Version: 1.0.0
+Version: 0.13.0
 OASISFormat: 0.3
 Synopsis: OCaml bindings for the Apache Thrift RPC system
 Authors: Apache Thrift Developers <dev@thrift.apache.org>
diff --git a/lib/perl/lib/Thrift.pm b/lib/perl/lib/Thrift.pm
index ab40930..01985ea 100644
--- a/lib/perl/lib/Thrift.pm
+++ b/lib/perl/lib/Thrift.pm
@@ -31,6 +31,6 @@
 #
 
 package Thrift;
-use version 0.77; our $VERSION = version->declare("v1.0.0");
+use version 0.77; our $VERSION = version->declare("v0.13.0");
 
 1;
diff --git a/lib/py/setup.py b/lib/py/setup.py
index 3cf1469..2ba2691 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -90,7 +90,7 @@
     twisted_deps = ['twisted']
 
     setup(name='thrift',
-          version='1.0.0',
+          version='0.13.0',
           description='Python bindings for the Apache Thrift RPC system',
           author='Apache Thrift Developers',
           author_email='dev@thrift.apache.org',
diff --git a/lib/rb/thrift.gemspec b/lib/rb/thrift.gemspec
index e53194e..869e5d9 100644
--- a/lib/rb/thrift.gemspec
+++ b/lib/rb/thrift.gemspec
@@ -3,7 +3,7 @@
 
 Gem::Specification.new do |s|
   s.name        = 'thrift'
-  s.version     = '1.0.0'
+  s.version     = '0.13.0'
   s.authors     = ['Apache Thrift Developers']
   s.email       = ['dev@thrift.apache.org']
   s.homepage    = 'http://thrift.apache.org'
diff --git a/lib/rs/Cargo.toml b/lib/rs/Cargo.toml
index ed32179..3a25b16 100644
--- a/lib/rs/Cargo.toml
+++ b/lib/rs/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "thrift"
 description = "Rust bindings for the Apache Thrift RPC system"
-version = "1.0.0"
+version = "0.13.0"
 license = "Apache-2.0"
 authors = ["Apache Thrift Developers <dev@thrift.apache.org>"]
 homepage = "http://thrift.apache.org"
diff --git a/lib/st/package.xml b/lib/st/package.xml
index f83936a..21b7adc 100644
--- a/lib/st/package.xml
+++ b/lib/st/package.xml
@@ -17,7 +17,7 @@
  specific language governing permissions and limitations
  under the License.
  -->
-<!-- Apache Thrift Smalltalk library version 1.0.0 -->
+<!-- Apache Thrift Smalltalk library version 0.13.0 -->
 <package>
   <name>libthrift-st</name>
   <file>thrift.st</file>
diff --git a/lib/swift/Sources/Thrift.swift b/lib/swift/Sources/Thrift.swift
index 4898c77..45c68f2 100644
--- a/lib/swift/Sources/Thrift.swift
+++ b/lib/swift/Sources/Thrift.swift
@@ -1,3 +1,3 @@
 class Thrift {
-	let version = "1.0.0"
+	let version = "0.13.0"
 }
diff --git a/lib/swift/Tests/ThriftTests/ThriftTests.swift b/lib/swift/Tests/ThriftTests/ThriftTests.swift
index 8f0b1fe..ae47f38 100644
--- a/lib/swift/Tests/ThriftTests/ThriftTests.swift
+++ b/lib/swift/Tests/ThriftTests/ThriftTests.swift
@@ -3,7 +3,7 @@
 
 class ThriftTests: XCTestCase {
   func testVersion() {
-    XCTAssertEqual(Thrift().version, "1.0.0")
+    XCTAssertEqual(Thrift().version, "0.13.0")
   }
 
   func test_in_addr_extension() {
diff --git a/package.json b/package.json
index b850a71..729e9bf 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/apache/thrift.git"
   },
-  "version": "1.0.0",
+  "version": "0.13.0",
   "author": {
     "name": "Apache Thrift Developers",
     "email": "dev@thrift.apache.org",
diff --git a/sonar-project.properties b/sonar-project.properties
index bd5ecc2..a238197 100755
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -16,7 +16,7 @@
 services that work efficiently and seamlessly between all major languages.
 
 # Apache Thrift Version
-sonar.projectVersion=1.0.0
+sonar.projectVersion=0.13.0
 # use this to set another version string
 # $ sonar-runner -D sonar.projectVersion=`git rev-parse HEAD`
 # set projectDate in combination with projectVersion for imports of old releases
@@ -54,7 +54,7 @@
 module1.sonar.projectBaseDir=lib/java
 module1.sonar.sources=src
 module1.sonar.tests=test
-module1.sonar.binaries=build/libs/libthrift-1.0.0.jar
+module1.sonar.binaries=build/libs/libthrift-0.13.0.jar
 module1.sonar.libraries=build/deps/*.jar
 module1.sonar.language=java
 
@@ -62,7 +62,7 @@
 module2.sonar.projectBaseDir=.
 module2.sonar.sources=tutorial/java/src, tutorial/java/gen-java
 module2.sonar.binaries=tutorial/java/tutorial.jar
-module2.sonar.libraries=lib/java/build/deps/*.jar,lib/java/build/libs/libthrift-1.0.0.jar
+module2.sonar.libraries=lib/java/build/deps/*.jar,lib/java/build/libs/libthrift-0.13.0.jar
 module2.sonar.language=java
 
 module3.sonar.projectName=Apache Thrift - JavaScript Library
diff --git a/test/csharp/Properties/AssemblyInfo.cs b/test/csharp/Properties/AssemblyInfo.cs
index b1101a1..76c9a80 100644
--- a/test/csharp/Properties/AssemblyInfo.cs
+++ b/test/csharp/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/test/csharp/ThriftTest.csproj b/test/csharp/ThriftTest.csproj
index 63629eb..effec19 100644
--- a/test/csharp/ThriftTest.csproj
+++ b/test/csharp/ThriftTest.csproj
@@ -46,7 +46,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.0</ApplicationVersion>
+    <ApplicationVersion>0.13.0.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
diff --git a/test/dart/test_client/pubspec.yaml b/test/dart/test_client/pubspec.yaml
index 113054a..c86225e 100644
--- a/test/dart/test_client/pubspec.yaml
+++ b/test/dart/test_client/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: thrift_test_client
-version: 1.0.0
+version: 0.13.0
 description: A client integration test for the Dart Thrift library
 author: Apache Thrift Developers <dev@thrift.apache.org>
 homepage: http://thrift.apache.org
diff --git a/test/erl/src/thrift_test.app.src b/test/erl/src/thrift_test.app.src
index 80ef996..ffbad58 100644
--- a/test/erl/src/thrift_test.app.src
+++ b/test/erl/src/thrift_test.app.src
@@ -22,7 +22,7 @@
   {description, "Thrift cross language test"},
 
   % The version of the applicaton
-  {vsn, "1.0.0"},
+  {vsn, "0.13.0"},
 
   % All modules used by the application.
   {modules, [
diff --git a/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs b/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs
index 1ff658c..bae5e70 100644
--- a/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs
+++ b/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs b/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs
index 74fa476..e3ed39a 100644
--- a/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs
+++ b/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.13.0.0")]
+[assembly: AssemblyFileVersion("0.13.0.0")]
diff --git a/tutorial/dart/client/pubspec.yaml b/tutorial/dart/client/pubspec.yaml
index 109db0f..6581b4d 100644
--- a/tutorial/dart/client/pubspec.yaml
+++ b/tutorial/dart/client/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: tutorial_client
-version: 1.0.0
+version: 0.13.0
 description: A Dart client implementation of the Apache Thrift tutorial
 author: Apache Thrift Developers <dev@thrift.apache.org>
 homepage: http://thrift.apache.org
diff --git a/tutorial/dart/console_client/pubspec.yaml b/tutorial/dart/console_client/pubspec.yaml
index 602bb5e..ca122d2 100644
--- a/tutorial/dart/console_client/pubspec.yaml
+++ b/tutorial/dart/console_client/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: tutorial_console_client
-version: 1.0.0
+version: 0.13.0
 description: >
   A Dart console client to implementation of the Apache Thrift tutorial
 author: Apache Thrift Developers <dev@thrift.apache.org>
diff --git a/tutorial/dart/server/pubspec.yaml b/tutorial/dart/server/pubspec.yaml
index b0b012d..e09465e 100644
--- a/tutorial/dart/server/pubspec.yaml
+++ b/tutorial/dart/server/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: tutorial_server
-version: 1.0.0
+version: 0.13.0
 description: A Dart server to support the Apache Thrift tutorial
 author: Apache Thrift Developers <dev@thrift.apache.org>
 homepage: http://thrift.apache.org
diff --git a/tutorial/delphi/DelphiClient/DelphiClient.dproj b/tutorial/delphi/DelphiClient/DelphiClient.dproj
index d067992..0680be2 100644
--- a/tutorial/delphi/DelphiClient/DelphiClient.dproj
+++ b/tutorial/delphi/DelphiClient/DelphiClient.dproj
@@ -97,13 +97,13 @@
 					<VersionInfoKeys>
 						<VersionInfoKeys Name="CompanyName"/>
 						<VersionInfoKeys Name="FileDescription">Thrift Tutorial</VersionInfoKeys>
-						<VersionInfoKeys Name="FileVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="FileVersion">0.13.0.0</VersionInfoKeys>
 						<VersionInfoKeys Name="InternalName">DelphiClient</VersionInfoKeys>
 						<VersionInfoKeys Name="LegalCopyright">Copyright © 2012 The Apache Software Foundation</VersionInfoKeys>
 						<VersionInfoKeys Name="LegalTrademarks"/>
 						<VersionInfoKeys Name="OriginalFilename">DelphiClient.exe</VersionInfoKeys>
 						<VersionInfoKeys Name="ProductName">Thrift</VersionInfoKeys>
-						<VersionInfoKeys Name="ProductVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="ProductVersion">0.13.0.0</VersionInfoKeys>
 						<VersionInfoKeys Name="Comments"/>
 					</VersionInfoKeys>
 					<Source>
diff --git a/tutorial/delphi/DelphiServer/DelphiServer.dproj b/tutorial/delphi/DelphiServer/DelphiServer.dproj
index e34a6a1..97d5617 100644
--- a/tutorial/delphi/DelphiServer/DelphiServer.dproj
+++ b/tutorial/delphi/DelphiServer/DelphiServer.dproj
@@ -96,13 +96,13 @@
 					<VersionInfoKeys>
 						<VersionInfoKeys Name="CompanyName"/>
 						<VersionInfoKeys Name="FileDescription">Thrift Tutorial</VersionInfoKeys>
-						<VersionInfoKeys Name="FileVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="FileVersion">0.13.0.0</VersionInfoKeys>
 						<VersionInfoKeys Name="InternalName">DelphiServer</VersionInfoKeys>
 						<VersionInfoKeys Name="LegalCopyright">Copyright © 2012 The Apache Software Foundation</VersionInfoKeys>
 						<VersionInfoKeys Name="LegalTrademarks"/>
 						<VersionInfoKeys Name="OriginalFilename">DelphiServer.exe</VersionInfoKeys>
 						<VersionInfoKeys Name="ProductName">Thrift</VersionInfoKeys>
-						<VersionInfoKeys Name="ProductVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="ProductVersion">0.13.0.0</VersionInfoKeys>
 						<VersionInfoKeys Name="Comments"/>
 					</VersionInfoKeys>
 					<Source>
diff --git a/tutorial/hs/ThriftTutorial.cabal b/tutorial/hs/ThriftTutorial.cabal
index 62e682f..b6a6122 100755
--- a/tutorial/hs/ThriftTutorial.cabal
+++ b/tutorial/hs/ThriftTutorial.cabal
@@ -18,7 +18,7 @@
 --
 
 Name:           ThriftTutorial
-Version:        1.0.0
+Version:        0.13.0
 Cabal-Version:  >= 1.4
 License:        OtherLicense
 Category:       Foreign
diff --git a/tutorial/ocaml/_oasis b/tutorial/ocaml/_oasis
index 745c096..4a4f337 100644
--- a/tutorial/ocaml/_oasis
+++ b/tutorial/ocaml/_oasis
@@ -1,5 +1,5 @@
 Name: tutorial
-Version: 1.0.0
+Version: 0.13.0
 OASISFormat: 0.3
 Synopsis: OCaml Tutorial example
 Authors: Apache Thrift Developers <dev@thrift.apache.org>