Upcoming breaking changes for NPM v12
7 hours ago
- #npm
- #security
- #updates
- npm v12, releasing in July 2026, introduces breaking changes that default to stricter security settings for installations.
- 'allowScripts' defaults to off, blocking preinstall, install, and postinstall scripts from dependencies unless explicitly allowed via commands like 'npm approve-scripts'.
- '--allow-git' defaults to 'none', preventing Git dependencies from resolving unless explicitly allowed, to close a code-execution vulnerability.
- '--allow-remote' defaults to 'none', blocking dependencies from remote URLs like https tarballs unless explicitly permitted.
- Preparation involves upgrading to npm 11.16.0+, reviewing warnings, using 'npm approve-scripts' to manage trusted packages, and committing changes to package.json.