Async version 3.0.1 represents a minor update to the popular async utility library for Node.js and browsers, building upon the foundation laid by version 3.0.0. Both versions provide a rich set of higher-order functions designed to simplify asynchronous JavaScript programming, enabling developers to manage complex workflows, and parallelize operations, mitigating callback hell. The core functionality, including methods for parallel, series, and waterfall execution, remains consistent between the two versions, ensuring a smooth transition for existing users. This increment introduces subtle refinements and targeted fixes, improving performance and reliability.
Examining the devDependencies reveals a slight change, gh-pages-deploy is updated from version 0.5.0 to 0.5.1. Additionally, the unpacked size changes marginally, from 687771 to 689481. This may hints at internal adjustments or minor code optimizations rather than major feature additions, which may include updates to documentation generation or testing infrastructure. Developers already using async 3.0.0 can upgrade to 3.0.1 with confidence, expecting continued stability and enhanced performance.
The release date (May 26, 2019) indicate users can find the latest bug fixes. Users should consult the official changelog or release notes for a detailed breakdown of all changes included in version 3.0.1 to fully understand the refinements made. Existing test suites should remain compatible as the major API remains solid.
All the vulnerabilities related to the version 3.0.1 of the package
Prototype Pollution in async
A vulnerability exists in Async through 3.2.1 for 3.x and through 2.6.3 for 2.x (fixed in 3.2.2 and 2.6.4), which could let a malicious user obtain privileges via the mapValues() method.
