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The native Go port of the TypeScript compiler makes builds roughly 10 times faster, cutting VS Code's own build time from 125 seconds to about 10-15 seconds.

CJ explains that TypeScript 7's native Go-ported compiler delivers roughly 10x faster builds, citing VS Code's build time dropping from 125 seconds to about 10 seconds and Sentry's from 140 to 15 seconds. ✦ AI generated

CJ Reynolds · Syntax · 2026-07-13 · original ↗

starts at this moment · 4:26

So VS Code is a massive TypeScript codebase. And with TypeScript 6 before the native port, it used to take 125 seconds to build that whole codebase. Now it only takes 10 seconds with TypeScript 6.

verbatim transcript · starts at 4:26

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4:26TypeScript codebase. >> Yeah. >> And with TypeScript 6 before the native port, it used to take 125 seconds to build that whole codebase. Now it only takes 10 seconds with TypeScript 6. Um also love to see in their blog post they shot out Sentry. So Century has a massive open-source TypeScript codebase. uh were brought to you by Centry. Shout out Centry. But their codebase used to take 140 seconds to build. Now with

4:51TypeScript 7, 15 seconds. So smaller CI builds, faster builds, a faster iteration. Um basically, if you have a large codebase, you're going to benefit from this. But like I'm showing here, if you're using tools that are already using um uh a lot of TypeScript and and have a build process, things are going to be faster. as well as I don't know if they call it out in the blog post but if

5:14you're using um oxlint which is the uh rust llinter from the let's say the void team I think the vit void team yeah >> uh but it has uh now native linting and it uses the typescript 7 llin llin llin llin llin llin llin llin llin llinter so not only are your builds faster with like with vit written in roll down and rust >> uh the typescript portion of the build

5:37is now faster as well so >> big news all around uh also less memory usage. Um this is exciting. I the whole JavaScript TypeScript ecosystem is just getting faster. That's that's the news. We we've talked about Rust rewrites and everything else, but it's here. And as it shows in the blog post, ready for production, so you can use this thing today. Yeah, I think this rules this is great specifically because

6:02of just how many things this will improve in your day-to-day world. just things running more efficiently, things running faster at every step of the way. It all to me is like this is like one of the biggest systemic overall improvements that your systems are going to experience. I have not uh upgraded my stuff just yet because which is crazy because I love upgrading my stuff, but I

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