# What changed in react-diff-viewer-continued

> 6 changes in react-diff-viewer-continued 4 from its official release notes, upgrade guides and advisories: 2 breaking, 2 new APIs and options. Each one cited. Sources checked 2026-10-25. HTML: https://unstale.sh/npm/react-diff-viewer-continued/

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

## react-diff-viewer-continued 4

### Breaking changes

- Exports are immutable, so consumers can no longer mutate them. (4.3.0) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.3.0)
- TypeScript types are stricter, helping developers catch type errors. (4.2.2) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.2.2)

### New APIs and options

- Adds first-party syntax highlighting via highlightLanguage. (4.4.0) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.4.0)
- Default light and dark theme variables are exported for developers to use. (4.3.0) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.3.0)

### Fixes and other changes

- The diff table is isolated from host table CSS such as daisyui or bootstrap. (4.3.0) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.3.0)
- The loader is visible. (4.2.2) — [release notes](https://github.com/Aeolun/react-diff-viewer-continued/releases/tag/v4.2.2)