Babel-runtime provides the necessary self-contained runtime environment for Babel-transformed code, ensuring compatibility across various JavaScript environments. Version 6.2.0, released on November 19, 2015, builds upon the previous stable version 6.1.18, released a week earlier on November 12, 2015, with subtle but potentially impactful changes for developers.
One key difference lies in the devDependencies. Version 6.2.0 updates babel-template from version 6.1.18 to 6.2.0 and replaces regenerator (version ^0.8.34) with babel-regenerator-runtime (version 6.2.0). This indicates a shift in how Babel handles code generation and regenerator support within the runtime environment. Developers leveraging Babel to transpile newer JavaScript features will benefit from these updates, potentially seeing improvements in performance or compatibility with specific Babel configurations. The babel-regenerator-runtime inclusion likely reflects a tighter integration with Babel's internal regeneration mechanisms.
Both versions share the same core dependency on core-js (version ^1.2.0), providing polyfills for modern JavaScript features. Also, the dependencies, license, repository and author remains the same.
For developers, upgrading to version 6.2.0 entails keeping their project aligned with the evolving Babel ecosystem. While the surface-level changes seem minor, they can implicitly address underlying bugs or enhance support for specific JavaScript syntax and capabilities. Developers are advised to review the changelogs associated with babel-template and babel-regenerator-runtime to understand the full scope of these upgrades and how they might affect the transpiled output of their code.
The are not vulnerabilities for the version 6.2.0 of the package babel-runtime