There is no notice or any warnings from authors regarding antd design framework. Such a huge OSS project members should be responsible in notifying before.
Odd. It seems the Github repo for the project has also disappeared - although the top-level still exists.<p><a href="https://github.com/ant-design/ant-design" rel="nofollow">https://github.com/ant-design/ant-design</a> - missing<p><a href="https://github.com/ant-design/" rel="nofollow">https://github.com/ant-design/</a> - still there
From Github, it looks like something went wrong and they lost their Gihub repo.. <a href="https://github.com/ant-design/ant-design-site-temporary" rel="nofollow">https://github.com/ant-design/ant-design-site-temporary</a>