# Commander.js 12.1.0

- Product: Commander.js (https://whatsnew.fyi/product/commander)
- Vendor: TJ Holowaychuk
- Date: 2024-05-18
- Version: 12.1.0
- Original notes: https://www.npmjs.com/package/commander/v/12.1.0
- Permalink: https://whatsnew.fyi/product/commander/releases/12.1.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Auto-detect special node flags node --eval and node --print when calling .parse() with no arguments
- **changed** — Prefix require of Node.js core modules with node:
- **changed** — Format source files with Prettier
- **changed** — Switch from StandardJS to directly calling ESLint for linting
- **changed** — Extend security support for previous major version of Commander
- **removed** — Remove unimplemented Option.fullDescription from TypeScript definition

###### Added

- auto-detect special node flags `node --eval` and `node --print` when call `.parse()` with no arguments ([#2164])

###### Changed

- prefix require of Node.js core modules with `node:` ([#2170])
- format source files with Prettier ([#2180])
- switch from StandardJS to directly calling ESLint for linting ([#2153])
- extend security support for previous major version of Commander ([#2150])

###### Removed

- removed unimplemented Option.fullDescription from TypeScript definition ([#2191])