# What changed in react-native-builder-bob

> 10 changes in react-native-builder-bob 0.40 to 0.43 from its official release notes, upgrade guides and advisories: 2 breaking. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/react-native-builder-bob/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## react-native-builder-bob 0.43

### Breaking changes

- Libraries using react-native-builder-bob/vite-config must add the source condition under resolve to preserve existing behavior. (0.43.0) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.43.0)
- The metro-config subpath is dropped; migrate to react-native-monorepo-config instead. (0.43.0) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.43.0)

### Fixes and other changes

- TypeScript declaration files are copied as is when compiling. (0.43.2) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.43.2)
- Gracefully handles Expo calling the Babel config without a filename. (0.43.1) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.43.1)
- Fixed incorrect paths produced by bob init on Windows. (0.43.1) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.43.1)

## react-native-builder-bob 0.42

### Tooling

- Extensions are added in .d.ts files for NodeNext compatibility. (0.42.0) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.42.0)

### Fixes and other changes

- TypeScript binary resolution now uses Node resolution. (0.42.1) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.42.1)
- Hoisted tsc binaries are now resolved correctly. (0.42.0) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.42.0)

## react-native-builder-bob 0.40

### Fixes and other changes

- Fixes the module blocklist on Windows. (0.40.17) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.40.17)
- Fixed locating tsc in workspaces using Yarn 1. (0.40.15) — [release notes](https://github.com/callstack/react-native-builder-bob/releases/tag/react-native-builder-bob%400.40.15)