diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8eddb2c8d8..010a7ce0c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 ---
 
+## 0.12.15
+
+- 升级 rc-collapse 修复一个性能问题。
+- 修复一个 Collapse 内嵌 Tabs 的选中项样式问题。[#1451](https://github.com/ant-design/ant-design/issues/1451)
+- 修复 Input 组件服务端渲染报错的问题。[#1321](https://github.com/ant-design/ant-design/issues/1321)
+- 修复 Tag 组件调用了两次 afterClose 的问题。[#1435](https://github.com/ant-design/ant-design/issues/1435)
+- 修复一个 Table 控制模式的问题。[#1434](https://github.com/ant-design/ant-design/issues/1434)
+- 修复一个 Tabs 相互嵌套的样式问题。[#1435](https://github.com/ant-design/ant-design/issues/1435)
+- 修复 Dropdown.Button 点击右边也触发 onClick 的问题。
+- 修复 Radio.Button 在 IE8 下无法选择的问题。[#1459](https://github.com/ant-design/ant-design/issues/1459)
+- 优化了 Button 点击后仍然有 focus 效果的问题。
+
 ## 0.12.14
 
 `2016-04-13`
diff --git a/components/button/button.jsx b/components/button/button.jsx
index 7ea7ea6bfd..053dd6fbe7 100644
--- a/components/button/button.jsx
+++ b/components/button/button.jsx
@@ -39,6 +39,13 @@ export default class Button extends React.Component {
 
     this.props.onClick(...args);
   }
+  // Handle auto focus when click button in Chrome
+  handleMouseUp(e) {
+    findDOMNode(this).blur();
+    if (this.props.onMouseUp) {
+      this.props.onMouseUp(e);
+    }
+  }
   render() {
     const props = this.props;
     const { type, shape, size, className, htmlType, children, ...others } = props;
@@ -65,6 +72,7 @@ export default class Button extends React.Component {
       <button {...others}
         type={htmlType || 'button'}
         className={classes}
+        onMouseUp={this.handleMouseUp.bind(this)}
         onClick={this.handleClick.bind(this)}>
         {kids}
       </button>
diff --git a/components/input/index.jsx b/components/input/index.jsx
index ce007e3462..35cd22f7a8 100644
--- a/components/input/index.jsx
+++ b/components/input/index.jsx
@@ -3,7 +3,7 @@ import assign from 'object-assign';
 import classNames from 'classnames';
 
 function ieGT9() {
-  if (typeof document === undefined) {
+  if (typeof document === 'undefined') {
     return false;
   }
   const documentMode = document.documentMode || 0;
diff --git a/components/select/index.md b/components/select/index.md
index e5af9007e9..7abe180f70 100644
--- a/components/select/index.md
+++ b/components/select/index.md
@@ -31,7 +31,7 @@
 | filterOption | 是否根据输入项进行筛选，可为一个函数，返回满足要求的 option 即可 | boolean or function(inputValue, option) | true     |
 | tags | 可以把随意输入的条目作为 tag，输入项不需要与下拉选项匹配 | boolean |false |
 | onSelect | 被选中时调用，参数为选中项的 value 值 | function(value, option) | 无   |
-| onDeselect | 取消选中时调用，参数为选中项的 option value 值，仅在 multiple 或 tags 模式下生效 |  function(value, option) | 无   |
+| onDeselect | 取消选中时调用，参数为选中项的 option value 值，仅在 multiple 或 tags 模式下生效 |  function(value) | 无   |
 | onChange | 选中option，或input的value变化(combobox 模式下)时，调用此函数 | function(value, label) | 无 |
 | onSearch | 文本框值变化时回调 | function(value: String) |  |
 | placeholder | 选择框默认文字 | string | 无 |
diff --git a/package.json b/package.json
index aef1a5f8d2..9224247153 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "antd",
-  "version": "0.12.14",
+  "version": "0.12.15",
   "title": "Ant Design",
   "description": "一个 UI 设计语言",
   "homepage": "http://ant.design/",
@@ -34,7 +34,7 @@
   "dependencies": {
     "array-tree-filter": "~1.0.0",
     "classnames": "~2.2.0",
-    "css-animation": "~1.1.0",
+    "css-animation": "~1.2.3",
     "gregorian-calendar": "~4.1.0",
     "gregorian-calendar-format": "~4.1.0",
     "object-assign": "~4.0.1",
@@ -42,7 +42,7 @@
     "rc-calendar": "~5.4.0",
     "rc-cascader": "~0.9.0",
     "rc-checkbox": "~1.3.0",
-    "rc-collapse": "~1.4.4",
+    "rc-collapse": "~1.6.0",
     "rc-dialog": "~5.4.0",
     "rc-dropdown": "~1.4.3",
     "rc-form": "~0.14.0",
diff --git a/style/components/collapse.less b/style/components/collapse.less
index bc8a6b6483..28ad62448e 100644
--- a/style/components/collapse.less
+++ b/style/components/collapse.less
@@ -49,19 +49,19 @@
   }
 
   &-content {
-    display: none;
     overflow: hidden;
     color: @text-color;
     padding: 0 16px;
     background-color: #fff;
+    transition: height .2s @ease-out;
 
     & > &-box {
       padding-top: 16px;
       padding-bottom: 16px;
     }
 
-    &-active {
-      display: block;
+    &-inactive {
+      display: none;
     }
   }
 
diff --git a/style/components/menu.less b/style/components/menu.less
index 86f3571592..2f334fbc0b 100644
--- a/style/components/menu.less
+++ b/style/components/menu.less
@@ -104,6 +104,10 @@
     z-index: @zindex-dropdown;
   }
 
+  &-submenu-vertical {
+    z-index: 1;
+  }
+
   &-submenu-vertical > & {
     top: 0;
     left: 100%;
diff --git a/style/components/radio.less b/style/components/radio.less
index 7dc3a9f686..6de93ff73b 100644
--- a/style/components/radio.less
+++ b/style/components/radio.less
@@ -123,7 +123,9 @@ span.@{radio-prefix-cls} + * {
 
     > span.@{radio-prefix-cls}-button {
       margin-left: 0;
-      display: none;
+      display: block;
+      width: 0;
+      height: 0;
     }
 
     .@{radio-group-prefix-cls}-large & {