- ⚡️ Use the `unknown` type in typescript 3.0 to improve defintions. [#14044](https://github.com/ant-design/ant-design/issues/14044) [@Zzzen](http://github.com/Zzzen)
- 🐞 Fix Calendar `headerRender` should be optional. [#17063](https://github.com/ant-design/ant-design/pull/17063) [@wonderjar](http://github.com/wonderjar)