# @babel/plugin-proposal-class-properties — Deprecated npm packages and their maintainer-named replacement For @babel/plugin-proposal-class-properties, latest published version is 7.18.6; named replacement is @babel/plugin-transform-class-properties, recorded from its source on 2026-08-25; source re-checked 2026-09-14. - **Package:** @babel/plugin-proposal-class-properties _(verified: appears in the quote below)_ - **Latest published version:** 7.18.6 _(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**Maintainer's deprecation message:** This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained.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-class-properties instead. _(verified: appears in the quote below)_ - **Named replacement:** @babel/plugin-transform-class-properties _(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 "deprecated":"This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained.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-class-properties instead." ## Source - https://registry.npmjs.org/@babel/plugin-proposal-class-properties 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/).