diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f46b74..4fc7c50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 All notable changes to this project will be documented in this file.
 This project follows [Semantic Versioning](http://semver.org/).
 
+## [1.2.0] - 2017-07-22
+### Changed
+- Vector's minimum and default capacity down from 10 to 8.
+- Map and Set's minimum and default capacity down from 16 to 8.
+- Hash function of arrays is now the length of the array, so O(1).
+
 ## [1.1.10] - 2017-06-22
 ### Fixed
 - Using a key as reference not working correctly with array access. #86
diff --git a/README.md b/README.md
index 1f57064..6c8eb0b 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/php-ds/extension.svg?branch=master)](https://travis-ci.org/php-ds/extension)
 [![Build status](https://ci.appveyor.com/api/projects/status/dbcssp6flml2gher?svg=true)](https://ci.appveyor.com/project/rtheunissen/extension)
 [![Code Coverage](https://scrutinizer-ci.com/g/php-ds/polyfill/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/php-ds/polyfill/?branch=master)
-[![PECL](https://img.shields.io/badge/PECL-1.1.10-blue.svg)](https://pecl.php.net/package/ds)
+[![PECL](https://img.shields.io/badge/PECL-1.2.0-blue.svg)](https://pecl.php.net/package/ds)
 
 An extension providing specialized data structures as efficient alternatives to the PHP array.
 You can read about it in more detail [in this blog post](https://medium.com/p/9dda7af674cd) which highlights the API, performance and other benefits of using the extension.
diff --git a/package.xml b/package.xml
index 3d73da6..e318f61 100644
--- a/package.xml
+++ b/package.xml
@@ -16,10 +16,10 @@
         <email>krakjoe@php.net</email>
         <active>yes</active>
     </lead>
-    <date>2017-04-26</date>
+    <date>2017-07-22</date>
     <time>09:01:12</time>
     <version>
-        <release>1.1.10</release>
+        <release>1.2.0</release>
         <api>1.1.0</api>
     </version>
     <stability>
@@ -28,7 +28,9 @@
     </stability>
     <license uri="https://opensource.org/licenses/MIT">MIT License</license>
     <notes>
-        - Fix using a key as reference not working correctly with array access. #86
+        - Vector's minimum and default capacity down from 10 to 8.
+        - Map and Set's minimum and default capacity down from 16 to 8.
+        - Hash function of arrays is now the length of the array, so O(1).
     </notes>
     <contents>
         <dir name="/">
diff --git a/php_ds.h b/php_ds.h
index 525e1e0..2f4421e 100644
--- a/php_ds.h
+++ b/php_ds.h
@@ -20,7 +20,7 @@ extern zend_module_entry ds_module_entry;
 #define phpext_ds_ptr &ds_module_entry
 
 /* Replace with version number for your extension */
-#define PHP_DS_VERSION "1.1.10"
+#define PHP_DS_VERSION "1.2.0"
 
 #ifdef PHP_WIN32
 #  define PHP_API __declspec(dllexport)