Expect version 27.3.0 is a minor release of the assertion library primarily used within the Jest testing framework. Both versions, 27.3.0 and the prior stable release 27.2.5, serve the fundamental purpose of providing the expect function, enabling developers to write expressive and readable tests. A key difference lies in the updated dependencies. Version 27.3.0 features newer versions of jest-message-util and jest-matcher-utils, both updated to 27.3.0 to align with the Jest ecosystem. This ensures consistent behavior and access to the latest improvements within those utility packages.
Conversely, version 27.2.5 relies on the older 27.2.5 versions of these utilities. While both versions maintain the same core dependencies like @jest/types, ansi-styles, jest-get-type, and jest-regex-util, the shift in jest-message-util and jest-matcher-utils suggests potential bug fixes, performance enhancements, or new features within those specific modules. For developers, upgrading to 27.3.0 is recommended to leverage the most current advancements in Jest's assertion utilities, fostering more reliable and efficient testing workflows. The slight reduction in unpackedSize from 169308 to 169133 also can indicate a potentially optimized code structure or reduced bundle size within the updated package.
The are not vulnerabilities for the version 27.3.0 of the package expect