React Test Renderer version 18.1.0 introduces several updates compared to the previous stable version, 18.0.0, primarily focusing on dependency updates and underlying size adjustments. For developers leveraging React for snapshot testing, these changes offer subtle yet important improvements.
The upgrade to version 18.1.0 includes dependency updates for react-is (from ^18.0.0 to ^18.1.0) and scheduler (from ^0.21.0 to ^0.22.0). These updated dependencies likely contain bug fixes and performance enhancements implemented within those specific packages, potentially smoothing the snapshot testing process. While the peer dependency react also increments (from ^18.0.0 to ^18.1.0), this aligns the test renderer with the corresponding React core version, ensuring compatibility.
Furthermore, there's a noticeable increase in the unpacked size of the package, growing from 1,432,591 bytes in version 18.0.0 to 1,496,989 bytes in version 18.1.0. While the file count remains constant at 9, this size difference suggests changes, assets or possibly expanded compatibility layers added in the newer version. Finally, version 18.1.0 released later: developers considering upgrading should be aware of the incremental enhancements in dependencies related to React's core rendering mechanisms, and how it can create increased stability and predictable behavior.
The are not vulnerabilities for the version 18.1.0 of the package react-test-renderer