docs: add chagnelog v2.6.0-beta.0

content/start/changelog/index-en-US.md

@@ -16,6 +16,22 @@ Version：Major.Minor.Patch
 
 ---
 
+#### 🎉 2.6.0-beta.0 (2022-03-04)
+- 【Style】
+    - Tweaked default theme's 5 CSS tokens and Table empty text color to better support WCAG standard [#205](https://github.com/DouyinFE/semi-design/issues/205)
+    - Fixed the label alignment problem in Cascader when wrapping in multi-select mode [@chenc041](https://github.com/chenc041)
+    - Added focus style for Button [#205](https://github.com/DouyinFE/semi-design/issues/205)
+- 【Design Token】
+   - Cascader component-level token: remove $spacing-cascader_selection_tag-marginX, add $spacing-cascader_selection_tag-marginLeft and $spacing-cascader_selection_tag-marginRight [#636](https://github.com/DouyinFE/semi-design/issues/636)
+- 【Feat】
+    - A11y: Calendar, ScrollList, Cascader, DatePicker accessibility semantic adaptation [#205](https://github.com/DouyinFE/semi-design/issues/205)
+- 【Fix】
+    - Fix `Table` header text does not support selection [#638](https://github.com/DouyinFE/semi-design/issues/638) [@chenc041](https://github.com/chenc041 )
+    - Fix the height inconsistency between Form.RadioGroup and RadioGroup when type=button, remove redundant padding [#677](https://github.com/DouyinFE/semi-design/issues/677)
+    - Fix the problem that the Form component does not meet expectations after assigning an item to the array fieldPath using formApi setValue/setError/setTouched [#604](https://github.com/DouyinFE/semi-design/issues/604)
+    - Fixed the problem that disabled text cannot be displayed in safari when the text color of disabled Input is customized by custom CSS or theme, and it is set to some specific color
+- 【Docs】
+    - A11y: Button adds keyboard and focus behavior description
 #### 🎉 2.5.0 (2022-02-24)
 - 【Fix】
     - Fixed resizable `Table` columns width bug when update `columns`  [#650](https://github.com/DouyinFE/semi-design/issues/650)

content/start/changelog/index.md

@@ -15,6 +15,26 @@ Semi 版本号遵循**Semver**规范（主版本号-次版本号-修订版本号
 
 ---
 
+
+#### 🎉 2.6.0-beta.0 (2022-03-04)
+- 【Style】
+    - 微调默认主题的 5 个 CSS token 和 Table 空文本颜色以更好地支持 WCAG 标准  [#205](https://github.com/DouyinFE/semi-design/issues/205)
+    - 修复 Cascader 在多选模式换行时标签对齐样问题 [@chenc041](https://github.com/chenc041)
+    - Button 新增焦点样式[#205](https://github.com/DouyinFE/semi-design/issues/205)
+-  【Design Token】
+   - Cascader组件级Token： 移除 $spacing-cascader_selection_tag-marginX，新增 $spacing-cascader_selection_tag-marginLeft 和 $spacing-cascader_selection_tag-marginRight [#636](https://github.com/DouyinFE/semi-design/issues/636) 
+- 【Feat】
+    - A11y：Calendar、ScrollList、Cascader、DatePicker 无障碍语义化适配  [#205](https://github.com/DouyinFE/semi-design/issues/205)
+- 【Fix】
+    - 修复 `Table` 表头文字不支持选中的问题  [#638](https://github.com/DouyinFE/semi-design/issues/638) [@chenc041](https://github.com/chenc041)
+    - 修复 Form.RadioGroup 与 RadioGroup 在 type=button 时高度不一致的问题，去除多余padding [#677](https://github.com/DouyinFE/semi-design/issues/677)
+    - 修复 Form 组件使用formApi setValue/setError/setTouched 针对数组型 fieldPath 删除某项后，赋值后不符合预期的问题  [#604](https://github.com/DouyinFE/semi-design/issues/604)
+    - 修复 disabled Input 的文本颜色通过自定义 CSS 或者主题定制，将其设定为某些特定颜色时，在 safari 下无法显示 disabled 文本的问题
+-  【Docs】
+    - A11y：Button 增加 键盘和焦点 行为说明
+
+
+
 #### 🎉 2.5.0 (2022-02-24)
 - 【Fix】
     - 修复 resizable Table 动态删除列时列宽计算错误问题  [#650](https://github.com/DouyinFE/semi-design/issues/650)