Core-js version 1.2.6 represents a minor update over its predecessor, version 1.2.5, in the popular JavaScript standard library. Both versions share the same core purpose: to provide polyfills for modern JavaScript features, ensuring cross-browser compatibility and bringing cutting-edge functionalities to older environments. This enhances the developer experience significantly by facilitating the use of the latest ECMAScript standards without worrying about browser limitations.
A key difference lies in the updated development dependencies. Version 1.2.6 upgrades the eslint dependency from version 1.8.x to 1.9.x. This suggests improvements in code linting, potentially leading to better code quality and consistency for contributors to the core-js library itself. While not directly impacting end-users, a more robust linting process contributes to a more stable and reliable polyfill library.
For developers integrating core-js into their projects, the core functionality relating to standard library polyfills remains consistent between the two versions. Both versions heavily rely on a suite of development tools including webpack for module bundling, grunt for task automation, and karma for testing across various browsers (Chrome, Firefox, Internet Explorer, and PhantomJS). The MIT license remains unchanged, offering flexibility for use in both open-source and commercial projects. Released a week apart, these iterative updates underscore the ongoing effort to maintain and improve core-js as a crucial tool for modern web development.
The are not vulnerabilities for the version 1.2.6 of the package core-js