React-app-polyfill is a crucial package for ensuring your React applications work seamlessly across a wide range of browsers by providing necessary polyfills. Comparing versions 3.0.0 and 2.0.0, developers will find key updates primarily focused on dependency upgrades, enhancing compatibility with modern JavaScript features and browser implementations. The most notable change lies in the core-js dependency, jumping from version 3.6.5 in v2.0.0 to version 3.19.2 in v3.0.0. This significant upgrade incorporates a wealth of new ECMAScript features and improvements, ensuring broader support for newer JavaScript syntax and APIs.
While other dependencies like raf, promise, whatwg-fetch, object-assign, and regenerator-runtime remain relatively consistent, the upgrade of regenerator-runtime from 0.13.7 to 0.13.9 also contributes towards compatibility with more recent asynchronous JavaScript code.
For developers, this translates to a smoother experience, particularly when employing cutting-edge JavaScript features such as async/await, promises, and newer array methods. React-app-polyfill 3.0.0 offers enhanced stability and feature coverage, making it a desirable upgrade for projects aiming for maximum browser compatibility without compromising on using modern JavaScript syntax. The small increase in unpacked size, from 6760 to 6761 bytes, is negligible and indicates a lightweight update focused on core improvements, not bloat. The later release date of v3.0.0 implies the inclusion of more recent fixes and optimizations compared to v2.0.0.
The are not vulnerabilities for the version 3.0.0 of the package react-app-polyfill