Babel-runtime is a self-contained runtime library essential for Babel-compiled JavaScript code, providing polyfills and helper functions that enable modern JavaScript features to run in older environments. Versions 5.3.3 and 5.4.0, both released in May 2015, share the same core purpose and dependencies, relying on core-js version ^0.9.0 for polyfilling. Both are licensed under the MIT license and maintained by Sebastian McKenzie.
The key difference lies in the update from version 5.3.3 to 5.4.0. While the precise nature of the changes isn't explicitly detailed in the provided metadata, the release date indicates that version 5.4.0 was published approximately one day after 5.3.3. This suggests that the update likely includes bug fixes, performance improvements, or minor feature enhancements rather than a complete overhaul.
For developers using Babel, babel-runtime ensures compatibility across different JavaScript environments. By including this runtime, compiled code can execute without requiring users to install additional polyfills. Upgrading from 5.3.3 to 5.4.0 would be a routine update,aiming to benefit from the lastest improvements and fixes that the Babel team has implemented to ensure stability and reliability in runtime support for transpiled code. Developers should upgrade to 5.4.0 for potential performance and small bug fixes.
The are not vulnerabilities for the version 5.4.0 of the package babel-runtime