# Legend State v2 > Fine-grained reactivity with persistence and sync built in. Make your app local-first, without the boilerplate. Documentation: v2 — archived documentation. ## Pages - [Patterns](https://legend.so/state/v2/guides/patterns.md): Patterns — Legend State documentation. - [Performance](https://legend.so/state/v2/guides/performance.md): Performance — Legend State documentation. - [Persistence](https://legend.so/state/v2/guides/persistence.md): Persistence — Legend State documentation. - [Introduction](https://legend.so/state/v2.md): Introduction — Legend State documentation. - [Fast 🔥](https://legend.so/state/v2/intro/fast.md): Fast 🔥 — Legend State documentation. - [Getting Started](https://legend.so/state/v2/intro/getting-started.md): Getting Started — Legend State documentation. - [Introduction](https://legend.so/state/v2/intro/introduction.md): Introduction — Legend State documentation. - [Why](https://legend.so/state/v2/intro/why.md): Why — Legend State documentation. - [Experiments](https://legend.so/state/v2/other/experiments.md): Experiments — Legend State documentation. - [Migrating](https://legend.so/state/v2/other/migrating.md): Migrating — Legend State documentation. - [Other Frameworks](https://legend.so/state/v2/other/other-frameworks.md): Other Frameworks — Legend State documentation. - [Fine Grained Reactivity](https://legend.so/state/v2/react/fine-grained-reactivity.md): Fine Grained Reactivity — Legend State documentation. - [Helpers and Hooks](https://legend.so/state/v2/react/helpers-and-hooks.md): Helpers and Hooks — Legend State documentation. - [React API](https://legend.so/state/v2/react/react-api.md): React API — Legend State documentation. - [React Introduction](https://legend.so/state/v2/react/react-introduction.md): React Introduction — Legend State documentation. - [Tracing](https://legend.so/state/v2/react/tracing.md): Tracing — Legend State documentation. - [Configuring](https://legend.so/state/v2/usage/configuring.md): Configuring — Legend State documentation. - [Helper Functions](https://legend.so/state/v2/usage/helper-functions.md): Helper Functions — Legend State documentation. - [Observable](https://legend.so/state/v2/usage/observable.md): Observable — Legend State documentation. - [Reactivity](https://legend.so/state/v2/usage/reactivity.md): Reactivity — Legend State documentation.