@babel/preset-env is a powerful tool for Babel users, allowing them to target specific JavaScript environments without manually managing individual transforms. Version 7.5.2 builds upon the solid foundation of 7.5.0, offering subtle but important improvements for developers. Both versions share the same core functionality: intelligently compiling modern JavaScript to be compatible with browsers and Node.js versions you specify. They automatically include necessary plugins based on your target environments, streamlining your Babel configuration.
The key difference lies in a dependency update: "@babel/plugin-proposal-object-rest-spread" moves from version 7.5.0 to 7.5.2 in the newer release. While seemingly minor, this often indicates bug fixes or performance enhancements within that specific plugin, directly impacting how object rest and spread syntax is handled during transpilation. Developers using object rest/spread features will benefit from this update, potentially experiencing improved stability or faster build times. The two versions also have different release dates (July 8, 2019 and July 4, 2019), which can be relevant for projects with strict update policies, or teams trying to reconstruct a specific, past configuration.
Aside from that detail, key dependencies such as core-js-compat, browserslist and the core babel plugins remain aligned. Both releases leverage the powerful browserslist for determining the necessary transformations. For those already on 7.5.0, upgrading to 7.5.2 is a low-risk option, likely offering incremental improvements. As always, running thorough testing after any dependency update is recommended.
The are not vulnerabilities for the version 7.5.2 of the package @babel/preset-env