docs: add changelog 5.26.5 (ant-design#54387)

* docs: add changelog 5.26.5

* docs: update

* Update CHANGELOG.zh-CN.md

Co-authored-by: thinkasany <480968828@qq.com>
Signed-off-by: xrkffgg <xrkffgg@vip.qq.com>

* Update CHANGELOG.en-US.md

Co-authored-by: thinkasany <480968828@qq.com>
Signed-off-by: xrkffgg <xrkffgg@vip.qq.com>

---------

Signed-off-by: xrkffgg <xrkffgg@vip.qq.com>
Co-authored-by: thinkasany <480968828@qq.com>

Author: xrkffgg

CHANGELOG.en-US.md

@@ -15,6 +15,18 @@ tag: vVERSION
 
 ---
 
+## 5.26.5
+
+`2025-07-15`
+
+- 🐞 Fix Tag `closeIcon` not being passed correctly. [#54370](https://github.com/ant-design/ant-design/pull/54370) [@Meet-student](https://github.com/Meet-student)
+- 🐞 Fix Splitter mask was not removed after dragging. [#54320](https://github.com/ant-design/ant-design/pull/54320) [@QdabuliuQ](https://github.com/QdabuliuQ)
+- 🐞 Fix Modal configuration responsive `width` did not take effect correctly. [#54349](https://github.com/ant-design/ant-design/pull/54349)
+- 💄 Optimize the style issue when Notification `description` is empty. [#54344](https://github.com/ant-design/ant-design/pull/54344) [@dengfuping](https://github.com/dengfuping)
+- 💄 Fix the border style issue when the FloatButton popup direction is horizontal and is `square`. [#54261](https://github.com/ant-design/ant-design/pull/54261) [@WwwHhhYran](https://github.com/WwwHhhYran)
+- TypeScript
+  - 🤖 Added Dropdown `activeKey` type definition. [#54314](https://github.com/ant-design/ant-design/pull/54314) [@wanpan11](https://github.com/wanpan11)
+
 ## 5.26.4
 
 `2025-07-07`

CHANGELOG.zh-CN.md

@@ -15,6 +15,18 @@ tag: vVERSION
 
 ---
 
+## 5.26.5
+
+`2025-07-15`
+
+- 🐞 修复 Tag `closeIcon` 未正确传递的问题。[#54370](https://github.com/ant-design/ant-design/pull/54370) [@Meet-student](https://github.com/Meet-student)
+- 🐞 修复 Splitter 蒙层拖拽后未被移除的问题。[#54320](https://github.com/ant-design/ant-design/pull/54320) [@QdabuliuQ](https://github.com/QdabuliuQ)
+- 🐞 修复 Modal 配置响应式 `width` 没有正确生效的问题。[#54349](https://github.com/ant-design/ant-design/pull/54349)
+- 💄 优化 Notification `description` 为空时间距样式问题。[#54344](https://github.com/ant-design/ant-design/pull/54344) [@dengfuping](https://github.com/dengfuping)
+- 💄 修复 FloatButton 弹出方向为水平方向为 `square` 时的边框样式问题。[#54261](https://github.com/ant-design/ant-design/pull/54261) [@WwwHhhYran](https://github.com/WwwHhhYran)
+- TypeScript
+  - 🤖 补充 Dropdown `activeKey` 类型定义。[#54314](https://github.com/ant-design/ant-design/pull/54314) [@wanpan11](https://github.com/wanpan11)
+
 ## 5.26.4
 
 `2025-07-07`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "antd",
-  "version": "5.26.4",
+  "version": "5.26.5",
   "description": "An enterprise-class UI design language and React components implementation",
   "license": "MIT",
   "funding": {