# What changed in readable-stream

> 2 changes in readable-stream 4 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/readable-stream/

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

## readable-stream 4

### Fixes and other changes

- Unwraps ESM-style process polyfills in internal streams. (4.8.0) — [release notes](https://github.com/nodejs/readable-stream/releases/tag/v4.8.0)
- Adds support for Node.js 24 and 26. (4.8.0) — [release notes](https://github.com/nodejs/readable-stream/releases/tag/v4.8.0)