Jest Environment JSDOM version 26.3.0 introduces several dependency updates crucial for developers utilizing Jest in environments simulating web browsers. Released on August 10, 2020, it upgrades key packages within the Jest ecosystem, ensuring compatibility and access to the latest features and bug fixes. Specifically, jest-mock, jest-util, @jest/types, @jest/environment, and @jest/fake-timers are all bumped to version 26.3.0, aligning them with the broader Jest release cycle. This synchronization is important for consistent behavior and access to the most recent enhancements across Jest's core functionalities.
Compared to version 26.2.0, released on July 30, 2020 which uses version 26.2.0 for those same dependencies, this update provides developers with a more current and potentially more stable experience. Although seemingly small, these dependency updates often include performance improvements, bug fixes, and new features that can impact the overall efficiency and reliability of Jest tests, without introducing changes in the source code of the package. The @types/node dependency remains a wildcard, indicating that the environment supports the latest Node.js typings. If you're maintaining a suite of Jest tests relying on JSDOM for rendering and interaction simulation, upgrading to 26.3.0 ensures you're leveraging the latest advancements in the Jest ecosystem.
The are not vulnerabilities for the version 26.3.0 of the package jest-environment-jsdom