JavaScript Bundlers in 2026: Vite, Rspack, Turbopack, and the End of an Era

The JavaScript bundler landscape has shifted more in the past two years than in the previous five. Webpack's decade-long reign is ending, and three Rust-powered contenders have emerged as the real choices for 2026. Here's the TL;DR: Vite is the default for new projects. Rspack is for migrating existing webpack codebases. Turbopack is the path of least resistance on Next.js. Rolldown is the future Vite is betting on. Which one is right for you depends entirely on where you're starting from. Quick