Next.js Daily: Turbopack Webpack Loader Support and Critical Bug Fixes
The Next.js team merged 18 pull requests on March 19th, 2026, headlined by Turbopack gaining webpack loader importModule() support and critical fixes for Pages Router JSON responses and RSC request handling in production.
Duration: PT2M33S
Episode overview
This episode is a short developer briefing from Next.js Daily.
It explains recent repository work in plain language.
- Show: Next.js Daily
- Published: 2026-03-19T10:14:36Z
- Audio duration: PT2M33S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning. This is Next.js Daily for March 19th, 2026.
The development team merged 18 pull requests yesterday, bringing significant infrastructure improvements and critical bug fixes.
Sokra merged the major Turbopack enhancement adding importModule() support to webpack loaders. This 761-line change enables webpack loaders like vanilla-extract and val-loader to dynamically import and execute modules during builds, with full support for TypeScript, CommonJS, ESM, and WebAssembly through Turbopack's…
Three critical production fixes were addressed. Lllomh fixed a regression in Pages Router where JSON responses lost Content-Length and ETag headers, breaking CDN compression for self-hosted deployments. Ztanner resolved invalid HTML responses for route-level RSC requests in production environments, fixing URL…
Wbinnssmith enabled server HMR for app route handlers in Turbopack, extending hot module replacement beyond pages to API routes. The system now dynamically loads route handler code on each request during development, enabling live updates without full cache invalidation.
Security updates included denesbeck upgrading vendored lodash to version 4.17.23, addressing CVE-2025-13465…
Nearby episodes from Next.js Daily
- Segment Bundling Improvements and Documentation Updates
- Weekly Recap - Turbopack Optimization & Production Stability
- Server Actions and Turbopack Improvements
- Node.js Streams Foundation & Instant Validation
- Build Performance and Static Generation Improvements
- Weekly Recap - Core Performance & Rendering Improvements
- Turbopack Performance Improvements and Router Fixes
- React Upgrade and Instant Navigation Features