MongoDB's Node.js driver saw a release of version 3.3.4 following version 3.3.3, both maintaining the same core dependencies for BSON handling, SASLprep for authentication, safe buffer management, and optional dependency require_optional. Both versions ship with a similar set of devDependencies used for testing, linting, and documentation. This includes tools like Mocha and Chai for unit testing, ESLint for code style enforcement, jsdoc for documentation generation, and several other utilities to manage test coverage, code formatting, and mocking MongoDB servers. Developers relying on the driver for interacting with MongoDB databases will find both to be fully compliant with specified API.
The key differentiating factor between the two seems to reside within the underlying bug fixes or performance improvements bundled within 3.3.4, contributing to slight differences in unpacked size. Version 3.3.4 also boasts a later release date implying that it may contains a fixes for recently discovered bugs. Users aiming for the most up-to-date and potentially stable experience are thus encouraged to upgrade to version 3.3.4. Before migrating, however, it's always a good practice to review the MongoDB driver's changelog.
The are not vulnerabilities for the version 3.3.4 of the package mongodb