Core-js versions 0.4.9 and 0.4.8 are incremental updates to this widely used JavaScript standard library, designed to provide polyfills for modern ECMAScript features. Examining the package.json files, the core functionality and dependencies remain remarkably consistent between the two releases. Both versions share the same core development dependencies, including Grunt for task automation, Karma for testing across browsers, and LiveScript for code generation. Identical dependencies suggest that the development workflow and testing infrastructure were maintained between the two versions.
The primary observable difference lies in the release dates. Version 0.4.9 was released on January 26, 2015, shortly after version 0.4.8, which was released on January 25, 2015. This proximate release suggests 0.4.9 likely addresses bug fixes, minor improvements, or very specific compatibility enhancements identified soon after the release of 0.4.8.
For developers using core-js, the key takeaway is the continuous effort to refine and improve the library, ensuring greater stability and broader compatibility across JavaScript environments. Version 0.4.9 likely offers the more polished experience, incorporating immediate feedback gathered post-release of version 0.4.8. While the changes may be subtle on a feature level, the commitment to frequent updates indicates a dedication to maintaining a robust and reliable polyfill library. By choosing the latest version, developers can likely benefit from the most up-to-date fixes and refinements. Both versions offer valuable polyfills for modern javascript, but 0.4.9 is likely to provide an improved experience.
The are not vulnerabilities for the version 0.4.9 of the package core-js