The @types/express package provides TypeScript definitions for the popular Express.js framework, enabling developers to write type-safe Express applications. Version 5.0.2 and 5.0.1 offer essential type information that enhance code quality and developer experience, providing autocompletion and error detection during development. Both rely on the same dependencies: @types/body-parser, @types/serve-static, and @types/express-serve-static-core, ensuring similar functionality. They share the same MIT license and reside in the DefinitelyTyped repository on GitHub.
The key differences are subtle, but can be relevant. Version 5.0.2 was released on May 16, 2025, while version 5.0.1 came out earlier on March 19, 2025. The unpacked size of version 5.0.1 is 7584 bytes, slightly larger than version 5.0.2's 7361 bytes. It is probably the case that version 5.0.2 contains some level of optimization and code size reduction. This suggests potential bug fixes, performance improvements, or refinements in the type definitions in the newer version. For developers, upgrading from 5.0.1 to 5.0.2 is generally recommended to benefit from these improvements, even if they are minor. Always check the DefinitelyTyped repository for specific changelogs associated with these versions to get a detailed understanding of the changes.
The are not vulnerabilities for the version 5.0.2 of the package @types/express