Zod version 3.20.4 represents a minor patch release over its predecessor, version 3.20.3, in the popular TypeScript-first schema declaration and validation library. Both versions maintain the same core functionality, offering developers a powerful and intuitive way to define data schemas, validate data, and derive static TypeScript types, all within a single, cohesive library. The developer experience remains consistent, with no breaking changes introduced between the two.
Examining the package metadata reveals minimal differences primarily concerning package size and release time. Zod 3.20.4 exhibits a slightly larger unpacked size of 560863 bytes compared to 3.20.3's 556117 bytes, suggesting minor updates or additions, such as documentation improvements, bug fixes, or internal optimizations. Crucially, the dependencies and devDependencies remained unchanged between versions, meaning tooling integrations and build processes do not require adjustment when upgrading from version 3.20.3. The later release date of version 3.20.4, just hours after 3.20.3 hits npm registry indicates a swift response to potential issues discovered in the earlier release, making the upgrade a seamless and recommended step for developers already using Zod, benefitting from the latest, refined build. The upgrade ensures access to the most up-to-date stability and potentially addressing any unforeseen edge cases without involving significant integration work.
All the vulnerabilities related to the version 3.20.4 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.