Deno 1.0, scheduled for release on May 13, is a general-purpose JavaScript/TypeScript programming environment created by Ryan Dahl, the developer behind Node.js. It aims to address design flaws from Node.js and integrates many open-source technologies into a single executable, using Rust instead of C++ and building on the Tokio platform. Deno features built-in TypeScript support, uses modern web standards, and introduces a decentralized package management system that directly imports ECMAScript modules from the web, eliminating the need for a central repository like npm. It offers enhanced security through explicit permission settings, a comprehensive standard library, and built-in testing and formatting tools, which collectively streamline development by reducing reliance on third-party libraries. Although not a direct replacement for Node.js yet, Deno provides a forward-thinking and secure environment for JavaScript and TypeScript development.