Version Details and Security Vulnerabilities

Angular Common library version 19.2.12 represents a subtle yet important update over its predecessor, version 19.2.11. Both versions provide essential directives and services for Angular applications, adhering to the MIT license and developed by the Angular team. While the core functionality remains consistent, evidenced by identical dependencies on tslib and peer dependencies for rxjs and @angular/core, the key differentiator lies in a refined internal structure.

Specifically, version 19.2.12 exhibits a slightly larger unpacked size, amounting to 9,441,216 bytes compared to version 19.2.11's 9,434,561 bytes; this suggests internal optimizations, bug fixes, or minor feature enhancements rather than sweeping changes. Developers leveraging Angular should note the update, which probably includes backported fixes. The release dates (May 21st vs. May 15th, 2025) also highlight the recency of version 19.2.12. The number of files appear to be the same at 2919.

For developers, this means a potentially more stable and efficient experience, even if the changelog is not visibly different. Always refer to the official Angular changelog on GitHub (https://github.com/angular/angular) for confirmed updates. Upgrading is encouraged to take advantage of these improvements, which contribute to the long-term health and performance of Angular projects leveraging the @angular/common module. Though the differences are minor, staying up-to-date with patches can be beneficial.