Zod is a TypeScript-first schema declaration and validation library, prized for its static type inference capabilities. Comparing versions 3.4.0 and 3.4.1 reveals a subtle but important update. Both share the same core functionalities, development dependencies (including testing frameworks like Jest, linters like ESLint, and build tools like Rollup), license (MIT), repository, author, funding link, file count, and unpacked size.
The key difference lies within the dist object and the release date. Version 3.4.1 was released just minutes after 3.4.0. While both versions have exactly the same filecount and unpackedSize, the tarball URL is different because each published version has its specific registry path.
This suggests that version 3.4.1 is likely a patch release, addressing a small bug or issue discovered immediately after the initial 3.4.0 release. Developers considering using Zod should opt for the latest 3.4.1 version to ensure they're leveraging the most stable and up-to-date code. The library empowers developers to define data structures with TypeScript and automatically validates against these structures while providing intellisense. It is specifically useful for creating maintainable applications with fewer runtime errors. It's particularly valuable in environments where data integrity and type safety are paramount. Given the minimal time difference, one can assume the changes from 3.4.0 were minimal and that the core validation abilities of Zod remain untouched between versions.
All the vulnerabilities related to the version 3.4.1 of the package
Zod denial of service vulnerability
Zod version 3.22.2 allows an attacker to perform a denial of service while validating emails.