Zone.js is a crucial library for Angular developers, providing execution context that persists across asynchronous operations. Examining versions 0.6.3 and 0.6.4 reveals a picture of continuous refinement. Both share the same core functionality with no listed dependencies, and identical development dependencies. The important point is in the releaseDate, in fact, version 0.6.4 was released just after version 0.6.3 (around 3 minutes after)
Developers will benefit from zone.js by leveraging its ability to automatically track asynchronous tasks, simplifying debugging and change detection within Angular applications. The consistent set of development dependencies across these versions indicates stable tooling for building and testing zone.js itself, promoting its robust nature and reliability for integration into complex projects. The shared MIT license grants considerable freedom for its use, modification, and distribution. Given the very close release dates, version 0.6.4 likely addresses a critical but minor bug fix or hotfix present in immediately preceding 0.6.3. Although specific changes aren't detailed in these metadata, the near-immediate release suggests a vital correction for consistent application behavior. If you are between those versions you should choose the newest.
The are not vulnerabilities for the version 0.6.4 of the package zone.js