Thanks in advance.
@vimiPonyai It would be very helpful if you could add some additional information about your use case.
@alexeygolev good to know your advice.
I am finding a component it can render a tree select.
useage:
* father node represent day (monday, tuesday ....)
* son node represent time(morning, evening ...)
so it`s very useful for user can select monday-morning or tuesday-evening.
will like as:

Hi @vimiPonyai,
I wanted to check in and see if you still required this feature. We're triaging issues at the moment to sustain the project going forward.
@bladey sure, it`s pretty useful if support tree-select component. actually I can`t find any good tree-select component while using react + material-UI.
Greetings,
I have used rc-tree via antD react components and found it both easy to use and very flexible.
https://github.com/react-component/tree
Truth is there is a fair bit of complexity and flexibility involved with creating a Tree (see the list of props in rc-tree or view their storybook), so it's likely this could become an ask as large as the rest of all other react-select features.
As of now, it is not something immediately in the roadmap, but there are others requesting this feature here in https://github.com/JedWatson/react-select/issues/4229 and seems like there is being development made by the community. I am hoping that it is successful and we can add it to the "Show and Tell" area in discussions. I would love to compile a list of useful react-select "recipes", but I digress...
Since this request is a duplicate and there is more recent activity taking place, I will close this issue, but please feel free to contribute and continue to the conversation there.