Jest CLI version 27.2.4 represents a minor update over its predecessor, version 27.2.3, maintaining the "Delightful JavaScript Testing" experience. The core functionality remains consistent, catering to developers seeking a comprehensive testing solution. Both versions share the same fundamental dependencies, including tools for handling file system operations (graceful-fs), command-line argument parsing (yargs), interactive prompts (prompts), and utilities for test validation and configuration.
Key differences lie in updated dependency versions. Notably, yargs has been updated from version 16.0.3 to 16.2.0, potentially introducing new features, bug fixes, or performance improvements related to command-line argument handling. The internal Jest packages like @jest/core, @jest/types, @jest/util, @jest/test-result, @jest/config and @jest/validate have all been bumped from 27.2.3 to 27.2.4, ensuring a cohesive update across the Jest ecosystem. Developers should consult the changelogs for yargs and the internal Jest packages to understand the specific modifications and their potential impact.
The devDependencies, responsible for development-time tooling, remain largely the same, except for @jest/test-utils which has been updated to 27.2.4. This is consistent with other internal Jest packages.The peerDependencies for node-notifier are unchanged meaning the integration with system notifications will work as expected with compatible versions. If you're already using Jest, upgrading to 27.2.4 is generally recommended to benefit from the latest bug fixes and improvements. If you're new to Jest, either version provides a solid foundation for JavaScript testing.
The are not vulnerabilities for the version 27.2.4 of the package jest-cli