tslib, the runtime library for TypeScript helper functions, saw a bump from version 2.4.1 to 2.5.0, offering developers incremental improvements. Both versions maintain the same core purpose, providing essential helper functions for TypeScript's compiled output and remain under the permissive 0BSD license which simplifies usage in almost any project. Microsoft continues to be the author and maintainer, ensuring quality and consistency.
The key difference lies in the internal improvements and potentially bug fixes incorporated within the 2.5.0 release. While the official changelog should be consulted for a comprehensive list of updates, the increase in unpackedSize (from 52789 to 60043) suggests enhancements or additions to the helper functions, potentially improving performance or addressing specific edge cases encountered during TypeScript compilation. Developers upgrading should test their code to ensure full compatibility and benefit from the potential optimizations. The release date difference of nearly three months, with 2.5.0 arriving in late January 2023, implies a period of development and testing to refine the library. Keep in mind that upgrading to the latest version might include the newest polyfills and shims required making the code compatible with the latest JavaScript standards.
The are not vulnerabilities for the version 2.5.0 of the package tslib