Expect, a core component of the Jest testing framework, provides the expect function, allowing developers to write expressive and readable assertions in their tests. Version 29.2.0 introduces incremental improvements over the previous stable version, 29.1.2, primarily reflected in dependency updates. While the core functionality of expect remains consistent, developers should note the updated dependencies, including jest-util, jest-get-type, jest-message-util, @jest/expect-utils, and jest-matcher-utils, all bumped to version 29.2.0 to maintain compatibility with the broader Jest ecosystem. Notably, jest-get-type sees a bump from 29.0.0 to 29.2.0, representing more than just a patch.
These dependency upgrades often incorporate bug fixes, performance enhancements, and new features within their respective modules. Developers are encouraged to consult the changelogs for these dependencies to understand the specific changes implemented. While the developer-facing API of expect remains largely unchanged, these internal improvements contribute to a more robust and efficient testing experience. Users relying on specific behaviors or edge cases within those dependencies should pay close attention to potential breaking changes, though the Jest team strives for backward compatibility whenever possible. The only other meaningful difference is a minor size reduction in the unpacked tarball.
The are not vulnerabilities for the version 29.2.0 of the package expect
