* 🌟 `Form`' error message now can be customized with react element (https://github.com/ant-design/ant-design/issues/10136) @lovekonakona
* 🌟 `List` support customized configuration for position of pagination(https://github.com/ant-design/ant-design/pull/10581) @zheeeng
* 🌟 `Layout.Sider` now can be configured with `light` or `dark` theme (https://github.com/ant-design/ant-design/issues/10142) @pd4d10
* 🌟 Ant-Design official site now supports offline mode (https://github.com/ant-design/ant-design/issues/10625)
* 🌟 `Transfer` and `Transfer Operation` can accept style props for further customization. @eduludi
* 🌟 `Message` adds a promisfied interface to handle callback (https://github.com/ant-design/ant-design/issues/10421)@zhujinxuan
* 🐞 Fix compilation issue with typescript@v2.9.1 (https://github.com/ant-design/ant-design/issues/10729) @karol-majewski
* 🐞 Fix a bug in `Menu` where outer menu item not highlighting while inner item is selected (https://github.com/ant-design/ant-design/issues/8666) @stonehank
* 🐞 Fix offsetBottom causing `Affix` not 'fixed-able' (https://github.com/ant-design/ant-design/issues/10674)