- 🐞 Fixed Table `Cannot read property 'children' of undefined` error when customize `column.title` as ReactNode. [#13542](https://github.com/ant-design/ant-design/issues/13542) [@geraldchen890806](https://github.com/geraldchen890806)
- 🐞 Fixed another border problem of Button when customized less variable `@border-width-base`. [#13534](https://github.com/ant-design/ant-design/issues/13534) [@morenyang](https://github.com/morenyang)
- 🐞 Fixed Upload don't support resolve `Blob` object when `beforeUpload` returns a Promise. [#13528](https://github.com/ant-design/ant-design/pull/13528/) [@huanz](https://github.com/huanz)
- 🐞 Fixed two props of Dropdown TypeScript definitions. [#13536](https://github.com/ant-design/ant-design/pull/13536) [@wangxingkang](https://github.com/wangxingkang)
## 3.11.1
`2018-12-08`
- 🐞 Fixed the issue where the Avatar icon could not be centered vertically. [#13408](https://github.com/ant-design/ant-design/issues/13408)
- 🐞 Fixed the border problem of Button when setting the less variable `@border-width-base` to `1`. [#13413](https://github.com/ant-design/ant-design/issues/13413) [@morenyang](https://github.com/morenyang)
- 🐞 Fixed the border problem of Button when customized less variable `@border-width-base`. [#13413](https://github.com/ant-design/ant-design/issues/13413) [@morenyang](https://github.com/morenyang)
- 🐞 Fixed Commnet does not correctly display line breaks. [#13429](https://github.com/ant-design/ant-design/issues/13429)
- 🐞 Fixed the issue that when the Alert is in `closable`, the icon will be covered by the text. [#13440](https://github.com/ant-design/ant-design/issues/13440)