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Almost done moving my day job’s design system fully over from Radix to react-aria 🔥🔥🔥 Huge improvement imo. And all without a single API change

What I personally really like about React Aria, and what I think outshines other headless component libraries, is that before they had components, they've developed a system to build components. This said system, consists of hooks from React Aria (behavioral hooks) and React Stately (state hooks).

You can read it in detail here - react-spectrum.adobe.com/architecture... React Aria Components is built on top of that system. They have components that Radix does not, like - date pickers, autocomplete, color pickers, tree, drag and drops, accessible virtualizer and asynchronous features.

So what I find great about React Aria is that in addition to "assembled" components, you have these "low level" tools React Stately and React Aria, to build your own components in the same paradigm. You can look into the source code of their components and see how they did it, and learn from it.