--- title: TypeScript 7.0 ships a native Go compiler with 8x–12x... description: TypeScript 7.0 introduces a native Go-based compiler delivering 8x–12x faster build times. Real-world benchmarks show the VS Code codebase (1.3M lines)... canonical: https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: TypeScript 7.0 ships a native Go compiler with 8x–12x faster builds | daily.dev og:description: TypeScript 7.0 introduces a native Go-based compiler delivering 8x–12x faster build times. Real-world benchmarks show the VS Code codebase (1.3M lines)... og:url: https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl og:image: https://api.daily.dev/og/posts/SNSVPPQdl.png og:image:alt: TypeScript 7.0 ships a native Go compiler with 8x–12x faster builds og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # TypeScript 7.0 ships a native Go compiler with 8x–12x faster builds **[Collections](https://daily.dev/sources/collections)** · 2 min read · 3 upvotes · 1 comments ## Summary TypeScript 7.0 introduces a native Go-based compiler delivering 8x–12x faster build times. Real-world benchmarks show the VS Code codebase (1.3M lines) compiling in 10.6 seconds versus 125.7 seconds previously, and Slack's CI type-checking dropping from 7.5 minutes to 1.25 minutes. Memory usage also fell ~18%. The speedup comes from parallel type checking — four concurrent checkers by default, tunable via new --checkers, --builders, and --singleThreaded flags. The release lacks a stable programmatic API, meaning tools like typescript-eslint, Vue, Svelte, Astro, and Angular language tooling cannot fully adopt it yet; that API is expected in 7.1. Breaking changes include several deprecations from 6.0 becoming hard errors, with strict and esnext now the defaults. A compatibility package @typescript/typescript6 is available for gradual migration. ## Content Microsoft has released TypeScript 7.0, and the headline feature is a new native compiler written in Go. The speed improvements are real and measurable: VS Code's codebase (1.3 million lines, ~8,000 files) dropped from 125.7 seconds to 10.6 seconds. Slack's CI type-checking went from 7.5 minutes to 1.25 minutes. On a standard four-core machine, the VS Code demo completes in about 6.5 seconds versus 50 seconds under TypeScript 6 — roughly a 7.5x speedup. Push that to a 16-core machine and you're looking at 4.5 seconds, a 12x improvement, with memory usage actually down about 18%. The parallelism is the main mechanism here. By default, TypeScript 7 spins up four concurrent type checkers, each handling a portion of the files. You can tune this with three new flags: `--checkers`, `--builders`, and `--singleThreaded`. ## What's missing in 7.0 The catch — and it's a meaningful one — is that 7.0 ships without a stable programmatic API. That means tools like typescript-eslint, Vue, Svelte, Astro, and Angular's language tooling can't integrate yet. That API is planned for TypeScript 7.1. For teams migrating now, Microsoft published a compatibility package (`@typescript/typescript6`) to ease the transition for existing tooling. ## Other changes TypeScript 7.0 also promotes several deprecations from 6.0 to hard errors, and sets `strict` and `esnext` as defaults going forward. Nothing surprising there, but worth checking if you're on older configs. ## Community discussion Top comments from developers on daily.dev. **@pdfopsdev** · 1 upvotes > the programmatic API gap is the real story here imo, eslint/vue/svelte tooling can't touch 7.0 until 7.1 lands. also strict+esnext flipping from default to hard error means some CI that's been quietly green for years is about to break on upgrade. --- Tags: [#microsoft](https://daily.dev/tags/microsoft), [#typescript](https://daily.dev/tags/typescript), [#golang](https://daily.dev/tags/golang), [#compiler](https://daily.dev/tags/compiler) [View this post on daily.dev](https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"TypeScript 7.0 ships a native Go compiler with 8x–12x faster builds","url":"https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl"},"datePublished":"2026-08-03T05:26:46.327Z","dateModified":"2026-08-05T00:28:04.553Z","description":"TypeScript 7.0 introduces a native Go-based compiler delivering 8x–12x faster build times. Real-world benchmarks show the VS Code codebase (1.3M lines)...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/42cf5d3724ff8adac5db4045aa61352b?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/42cf5d3724ff8adac5db4045aa61352b?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Collections","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Collections","logo":"https://media.daily.dev/image/upload/s--fk_6ycEi--/f_auto,q_auto/v1780996001/logos/collections?_a=BAMAMiWQ0","url":"https://daily.dev/sources/collections"},"commentCount":1,"discussionUrl":"https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"microsoft,typescript,golang,compiler","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Collections","item":"https://daily.dev/sources/collections"},{"@type":"ListItem","position":3,"name":"TypeScript 7.0 ships a native Go compiler with 8x–12x faster builds"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/typescript-7-0-ships-a-native-go-compiler-with-8x-12x-faster-builds-snsvppqdl","comment":[{"@type":"Comment","text":"the programmatic API gap is the real story here imo, eslint/vue/svelte tooling can’t touch 7.0 until 7.1 lands. also strict+esnext flipping from default to hard error means some CI that’s been quietly green for years is about to break on upgrade.","datePublished":"2026-08-04T18:06:14.137Z","url":"https://daily.dev/posts/SNSVPPQdl#c-MA97e5duA","author":{"@type":"Person","name":"PDFops","url":"https://daily.dev/pdfopsdev","image":"https://media.daily.dev/image/upload/s---8isRBKc--/f_auto/v1782922291/avatars/avatar_orjMeK8QKaaVZwGq7ScPz?_a=BAMAMicg0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```