React Responsive Masonry

react-responsive-masonry is a lightweight React component library for creating responsive masonry layouts using CSS Flexbox. It provides two main components: `Masonry` for a static column count and `ResponsiveMasonry` for dynamically adjusting columns and gutters based on breakpoints. The current stable version is 2.7.2. Releases appear to be driven by bug fixes and minor feature enhancements rather than a strict cadence, with the last major update to v2.0.0 in 2020 introducing ES6 modules. Its key differentiator is its simplicity and reliance on flexbox, avoiding complex JavaScript layout algorithms for performance and ease of use, making it suitable for image galleries or card layouts where item order isn't strictly sequential.