JavaScript

Oct 27, 2026 · Frontend Development

Vue 4 Promises No Breaking Changes, ESM Only — And a Toolchain Built for AI Agents

At Vue Fes Japan 2026, Evan You confirmed Vue 4 will avoid large breaking changes, drop CommonJS for ESM-only distribution, and leave major features like Vapor Mode undecided, while emphasizing a toolchain shift toward AI-agent-friendly outputs via Rust-based tools like Rolldown and Oxc.