Yarn also offers another take on NPM's shrinkwrap feature and "clever" performance work, Npmjs said. "We've also been working on these specific features, so we'll be paying close attention."
Npmjs raised the question of whether Yarn was forking the community, but noted Yarn users remain part of the NPM community and Yarn was not a fork. "Yarn publishes to NPM's own registry by default, so Yarn users continue to be part of the existing community and benefit from the same 350,000-plus packages as users of the official NPM client. Yarn pulls packages from registry.yarnpkg.com, which allows them to run experiments with the Yarn client. This is a proxy that pulls packages from the official NPM registry, much like npmjs.cf."
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