Vite 8's Rolldown Makes Builds 13x Faster, Not the Dev Server

Short summary

Vite 8 replaces both esbuild (dev) and Rollup (production) with a single Rust-based bundler called Rolldown, backed by the Oxc compiler toolchain. The headline 13x speedup applies to production builds, not the dev server — HMR speed is largely unchanged. The consolidation eliminates dev/prod pipeline mismatches but requires verifying that build output and plugin compatibility remain consistent after the switch.

• •Vite 8 consolidates esbuild and Rollup into one Rust bundler: Rolldown
• •The 13x speedup targets production builds, not dev-server HMR
• •Single-pipeline architecture eliminates dev/prod behavior mismatches

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