Babel-runtime versions 5.2.3 and 5.2.2 are minimal self-contained JavaScript runtimes essential for projects utilizing Babel, specifically designed to ensure compatibility and proper execution of transformed code across diverse environments. Both versions share the same core functionality, providing polyfills and helper functions necessary for older browsers and JavaScript engines to understand modern ES6+ syntax transpiled by Babel. This eliminates the need to include large, global polyfills, resulting in smaller bundle sizes and reduced potential for conflicts with existing code.
A key aspect relevant to developers is that both versions declare a dependency on core-js version ^0.9.0, indicating that they leverage core-js for comprehensive polyfilling of newer JavaScript features. While functionally similar in terms of exposed API and core purpose, the subtle nuance lies in the release dates. Version 5.2.3 was released shortly after 5.2.2. meaning they are likely to contain bug fixes which improve stability in specific edge cases during execution. Developers planning to update should refer to the change log of babel or analyze the commit history of the babel repository on GitHub (the source code) to know exactly the changes done between the 2 versions.
For developers deciding between these versions, the best practice is to always opt for the latest stable release (5.2.3 in this case). Assuming fixes may exist in the latest version is preferable, unless facing specific compatibility issues or regressions introduced specifically for this version.
The are not vulnerabilities for the version 5.2.3 of the package babel-runtime