Next.js: Turbopack Gets Major Webpack Compatibility Boost

The Next.js team shipped a massive Turbopack enhancement with full webpack loader `importModule()` support, plus critical fixes for Pages Router caching and RSC responses. 17 merged PRs brought server-side HMR improvements, security patches, and significant performance optimizations to the build system.

Duration: PT4M47S

Episode overview

This episode is a short developer briefing from Next.js.

It explains recent repository work in plain language.

  • Show: Next.js
  • Published: 2026-03-19T10:14:32Z
  • Audio duration: PT4M47S

Transcript excerpt

This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.

Hey there, developers! Welcome back to another episode of the Next.js podcast. I'm your host, and wow, do we have an exciting episode for you today. March 19th brought us some absolutely fantastic updates to the Next.js ecosystem, and I'm genuinely excited to dive into what the team has been cooking up.

Let's jump right into the star of today's show - and honestly, this is one of those changes that made me do a little happy dance when I read through it. Tobias Koppers just merged a absolutely massive PR that adds full `importModule()` support to Turbopack's webpack loader compatibility layer. Now, I know that might…

You know those webpack loaders you love - things like vanilla-extract, val-loader, or your custom loaders that need to dynamically import and execute modules during the build process? Well, they've been stuck in webpack-land because Turbopack couldn't handle their `this.importModule()` calls. But not anymore! This…

The implementation is pretty clever too - it creates a request-response pattern between the Node.js loader runner and Rust-side Turbopack. When a loader calls `importModule()`, Turbopack resolves the module, builds a complete Node.js bundle with all…

Speaking…

Za…

Nearby episodes from Next.js

  1. Future-Proofing and Performance Optimizations
  2. Smart Bundling Gets Smarter
  3. Turbopack Performance Revolution
  4. Turbopack Takes Center Stage & Performance Wins
  5. Build Performance Revolution
  6. Turbopack Gets a Major Performance Overhaul
  7. Performance Powerhouse Edition
  8. Spring Cleaning and Instant Navigation Breakthrough