Core-js is a widely used JavaScript standard library providing polyfills for modern ECMAScript features, ensuring compatibility across different JavaScript environments. Version 2.6.10 and 2.6.9 showcase the ongoing maintenance and refinement of this crucial package. Examining both versions reveals subtle yet important differences for developers relying on consistent and up-to-date JavaScript support. The core functionalities remain aligned as reflected by identical devDependencies, indicating a stable development environment and testing suite. Both use tools like webpack, eslint, karma and grunt to ensure quality.
The primary distinction lies in the dist attribute, specifically unpackedSize. Version 2.6.10 has an unpacked size of 2261112 bytes, slightly larger than version 2.6.9's 2259924 bytes. While the fileCount remains constant at 1489, the increased size suggests minor additions, bug fixes, or performance optimizations in the newer version. Developers should consider upgrading to 2.6.10 to benefit from these improvements and potential security patches included since its release in October 2019, compared to May 2019 for 2.6.9. Always check the changelog and potential breaking changes when dealing with library upgrades.
The are not vulnerabilities for the version 2.6.10 of the package core-js