UAParser.js: User-Agent & Client Hints Parser

UAParser.js is a comprehensive JavaScript library designed for detecting detailed information about a user's browser, operating system, CPU architecture, and device type/model. It leverages both traditional User-Agent strings and modern Client Hints data for accurate analysis. The current stable version is 2.0.9, with frequent patch releases indicating active development and continuous updates to its detection database for new browsers, OSes, and devices. This library is distinguished by its robust support for both client-side (browser) and server-side (Node.js) environments, offering a unified API. Key differentiators include its detailed detection capabilities, compact size, and up-to-date definitions, including specific submodules for bot and crawler detection, as well as features for chaining `withClientHints()` and `withFeatureCheck()`. A critical aspect for users is the change in licensing: while version 1.x was released under the permissive MIT License, version 2.x and onwards are distributed under the AGPL-3.0 License, which has significant implications for commercial and open-source projects.