React Mentions Component

rc-mentions is a foundational React component designed for building rich `@`-mentions input functionalities within web applications. It provides the core logic and UI structure for user mentions, offering a highly customizable experience without dictating specific styling. The current stable version, `2.20.0`, is actively maintained, with frequent minor and patch releases indicated by the project's recent activity, though specific release notes for major version `2` are not immediately visible in the provided data. Key differentiators include its broad browser compatibility (supporting IE9+, Chrome, Firefox, Safari), robust keyboard navigation for accessibility, and a flexible API that allows developers full control over filtering options and popup placement. Unlike opinionated UI libraries, `rc-mentions` ships unstyled, requiring developers to provide their own CSS (typically from its Less source) for integration into their design system.