Jest version 27.3.1 is a patch release succeeding version 27.3.0 in the popular JavaScript testing framework. Both versions maintain the core description of "Delightful JavaScript Testing" and share the same fundamental structure. The primary difference lies in the updated dependency versions for internal packages. Specifically, jest-cli and @jest/core have been bumped from version 27.3.0 to 27.3.1. These dependencies are crucial for the command-line interface and the core testing functionalities of Jest, respectively. While the changes might seem minor due to the patch version increment, they often include bug fixes, performance improvements, and potentially security enhancements within the core testing engine and command-line interface that compose the testing framework.
For developers using Jest, this update signifies a potential refinement of the testing experience. Users should upgrade to 27.3.1 to benefit from the latest bug fixes and improvements to the core testing and CLI functionalities. The peerDependencies entry for node-notifier remains consistent, indicating continued compatibility with notification systems. License, repository details, fileCount and unpackedSize are unchanged; indicating that the foundational infrastructure of the package remains mostly stable. The release date moved by 2 days from the 17th of October to the 19th.
The are not vulnerabilities for the version 27.3.1 of the package jest