# @babel/plugin-proposal-optional-chaining — Deprecated npm packages and their maintainer-named replacement

For @babel/plugin-proposal-optional-chaining, latest published version is 7.21.0; named replacement is @babel/plugin-transform-optional-chaining, recorded from its source on 2026-08-25; source re-checked 2026-09-14.

- **Package:** @babel/plugin-proposal-optional-chaining _(verified: appears in the quote below)_
- **Latest published version:** 7.21.0 _(verified: appears in the quote below)_
- **Maintainer's deprecation message:** This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-optional-chaining instead. _(verified: appears in the quote below)_
- **Named replacement:** @babel/plugin-transform-optional-chaining _(our reading, not quoted from the source)_

## What the source says

> "deprecated":"This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-optional-chaining instead."

## Source

- https://registry.npmjs.org/@babel/plugin-proposal-optional-chaining

Last verified: 2026-09-14. Review by: 2027-02-21.
Part of [Deprecated npm packages and their maintainer-named replacement](https://referencesource.org/npm-deprecated-package-recommended-replacement/).