Bluebird is a robust and feature-rich Promises/A+ implementation lauded for its exceptional performance. Versions 2.9.0 and 2.9.1, both released on January 24th, 2015, offer developers a mature and efficient way to handle asynchronous operations in JavaScript. While the core functionality remains consistent, with identical details in description, devDependencies, license, repository, and author, the key difference lies in the version number and the releaseDate. Version 2.9.1 is a patch release, following closely after 2.9.0, suggesting it likely addresses minor bug fixes or refinements introduced in the earlier version. Given the very short time span between releases, the changes are probably not related to features.
For developers considering Bluebird, both versions provide a stable foundation for promise-based programming. However, opting for version 2.9.1 is advisable as it incorporates any immediate corrections identified after the initial 2.9.0 release. Both versions include shared dependencies, useful for testing such as Mocha, Sinon and JSHint. Developers using Bluebird can expect excellent performance and comprehensive Promise/A+ compliance in both version. Both provide an identical array of development dependencies for testing and building.
The are not vulnerabilities for the version 2.9.1 of the package bluebird