On June 25, 2025, the 129th Ecma General Assembly approved ECMAScript 2025 (ES16), a groundbreaking update for JavaScript. Featuring new Set methods, Promise.try, and advanced regular expressions, this standard makes the language more performant, expressive, and suited for modern apps. Integrated into Next.js 15.4, released on July 14, 2025, these features boost productivity and performance. This article explores these features, their practical applications, limitations, and JavaScript’s future, drawing on trusted sources like codeweb.app and nextjs.org.
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