Recoil, Facebook's state management library for React applications, has seen recent updates with versions 0.2 and 0.3, focusing on bug fixes and performance improvements. The library, although still under an experimental flag, shows promise with features like atoms, which represent pieces of state, and selectors, which are pure functions used to manage state changes. Recoil 0.3 introduces a breaking change for Snapshot objects, which now only live until the callback or rendering process finishes, though a new retain() API is in development to allow longer usage. The update also introduces the override property for RecoilRoot, preventing cleanup of ancestor root atoms when nested roots are unmounted, and a getCallback() function for selectors, enabling more complex callback scenarios. Recoil 0.2 improved performance with the integration of hash array mapped trie (HAMT), significantly speeding up atom value cloning operations, and the updates also include enhancements for time and memory scalability, better error handling, and improved support for Safari. The library is expected to transition from experimental to official with future releases.