## Environment <!-- IMPORTANT Provide us with all the below information. We need it to make sure we understand the issue you experience and to set up the environment to actually work on the fix. MAKE SURE TO USE THE LATEST VERSION OF SLIDER --> * react-native info output: ``` react-native: 0.81.5 react: 19.1.0 expo: 54.0.33 @react-native-community/slider: 5.1.2 ``` * are you using the new architecture? Yes * which version of react & react-native are you using? React 19.1.0, React Native 0.81.5 ## Description @react-native-community/slider does not declare react or react-native in its peerDependencies. This causes duplicate React instances in pnpm monorepos with strict dependency isolation, resulting in the classic "Invalid hook call" runtime error. Root cause The slider package uses React internally (hooks, JSX) but its package.json has no peerDependencies field. In pnpm monorepos without nodeLinker: hoisted, each package only sees its own declared dependencies. Since pnpm doesn't know the slider needs React, it doesn't link the host app's React to the slider. At runtime, the slider resolves a different React copy from pnpm's internal store, causing two React instances in the same app. Error ERROR Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons: 1. You might have mismatching versions of React and the renderer (such as React DOM) 2. You might be breaking the Rules of Hooks 3. You might have more than one copy of React in the same app Workaround Adding packageExtensions in the root package.json fixes it: ``` { "pnpm": { "packageExtensions": { "@react-native-community/slider": { "peerDependencies": { "react": "*", "react-native": "*" } } } } } ```` Suggested fix Add peerDependencies to the slider's package.json: ``` "peerDependencies": { "react": "*", "react-native": "*" } ``` This is consistent with how other React Native libraries declare their peer dependencies (e.g. react-native-reanimated, react-native-gesture-handler, @gorhom/bottom-sheet). ## Reproducible Demo Create a pnpm monorepo with two apps (e.g. a Next.js web app using React 19.2.x and a React Native app using React 19.1.0) Do not use nodeLinker: hoisted in pnpm-workspace.yaml (pnpm's default strict isolation) Install @react-native-community/slider in the React Native app Use the <Slider> component The app crashes at runtime with "Invalid hook call" because the slider resolves a different React instance from pnpm's .pnpm/node_modules/react