Version 7.12.10 of @babel/plugin-transform-runtime presents incremental updates over its predecessor, version 7.12.1, offering developers enhanced stability and optimized polyfilling capabilities for their Babel-powered projects. Both versions share the core functionality of externalizing references to Babel helpers and built-ins, intelligently injecting polyfills to maintain compatibility across diverse JavaScript environments without polluting the global scope.
The key differences lie in the dependency updates. The newer version upgrades @babel/helper-module-imports to version 7.12.5, ensuring access to the latest features and bug fixes within this helper package which is vital for module import handling within the transform. Moreover, development dependencies like @babel/core, @babel/types, @babel/helpers, @babel/runtime, @babel/preset-env, @babel/runtime-corejs3, and @babel/plugin-transform-typeof-symbol are all bumped up to version 7.12.10, reflecting a synchronized update across the Babel ecosystem. In contrast, version 7.12.1 had slightly older dependency versions. Notably, the resolve dependency present in 7.12.1 is replaced by implicit usage in 7.12.10 improving dependency footprint.
For developers, upgrading to 7.12.10 ensures that their code benefits from the most recent optimizations and bug fixes in Babel's helper utilities and runtime environment. This results in improved code transformation efficiency, potentially smaller bundle sizes due to optimized helper injection, and enhanced compatibility with the latest JavaScript features while remaining compliant across a wide array of JavaScript engines. The increased unpackedSize from 41192 to 41379 hints about the inclusion of new functionalities or enhancement of older ones.
The are not vulnerabilities for the version 7.12.10 of the package @babel/plugin-transform-runtime