Turbopack Storage Revolution and Worker Fixes
Today we dive into major Turbopack infrastructure improvements with Luke Sandberg's storage system overhaul that's making builds faster and more memory-efficient. Plus, we've got some exciting fixes for web workers, including proper SharedWorker support and WASM loading capabilities.
Duration: PT4M8S
Episode overview
This episode is a short developer briefing from Next.js.
It explains recent repository work in plain language.
- Show: Next.js
- Published: 2026-01-22T11:15:27Z
- Audio duration: PT4M8S
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 day to dig into. January 22nd brought us 18 merged pull requests and 20 additional commits - and let me tell you, there's some really foundational work happening under the hood that's going…
Let's jump right into our biggest story of the day - and this one's a bit of a technical deep dive, but stick with me because it's actually really cool. Luke Sandberg has been on an absolute tear with some major Turbopack storage improvements. We had two massive PRs that are essentially revolutionizing how Next.js…
First up was PR 88355, where Luke replaced something called InnerStorage with a new generated TaskStorage struct. Now, I know that sounds pretty abstract, but here's why you should care - this change is saving about 1% of persistent cache size. That might not sound like much, but when you're working on large…
Then, in PR 88397, Luke took things even further by migrating to typed accessors and removing the old CachedDataItem adapter. The results? They tested this on the Vercel site codebase and saw build times drop from about 56 seconds to 55 seconds. Again,…
What…
Nearby episodes from Next.js
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- Cache Kings and Deployment ID Dreams
- Smart Routing and Deployment ID Revolution
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- When Features Fight Back - A Turbopack Revert Story
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