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microsoft/typescript-go

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7
winnable issues
54%
merge velocity signal
★26,063
120 contributors

What it is

Staging repo for development of native port of TypeScript

Why get involved

Real code, on a real project, reviewed by a real maintainer — a merged PR here is credential-building proof of work you can point to.

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Document that `@typescript/typescript6` ships the API under `@typescript/old` (path-based tooling)

microsoft/typescript-go · issue #4774 · opened Jul 2026 · no PRs referenced when indexed

The TypeScript 7.0 blog documents the recommended side-by-side install:…

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Panic: nil pointer in NodeList.HasTrailingComma during incremental rebuild (build-mode declaration printer) — 7.0.2 and current nightly

microsoft/typescript-go · issue #4748 · opened Jul 2026 · 1 comment · no PRs referenced when indexed

Needs More Info

Three worker goroutines panic identically per run; first one below (from typescript@7.1.0-dev.20260726.1; typescript@7.0.2 produces the same frames at the same…

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JSDoc (TSDoc ???) is not shown for object literal properties on hover

microsoft/typescript-go · issue #4677 · opened Jul 2026 · 1 comment · no PRs referenced when indexed

Domain: Editor

0.20260708.2 1.129.1 Linux (Pop!_OS 24.04 LTS, Kernel: 7.0.11-76070011-generic) 1. Create an exported object with documented properties. Or use the generated…

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Root file order causes tsgo to miss recursive conditional type assignability error

microsoft/typescript-go · issue #4647 · opened Jul 2026 · 3 comments · no PRs referenced when indexed

Type Ordering

Create these two dependency-free files. warmup.ts

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Identical resolved program produces 157 vs 662,155 diagnostics depending on whether the tsconfig is passed directly or through a pass-through extends

microsoft/typescript-go · issue #4608 · opened Jul 2026 · 1 comment · no PRs referenced when indexed

Needs More Info

On a large private monorepo package (~12k source files, React + Radix polymorphic component library), tsgo --noEmit -p tsconfig.typecheck.json --pretty false…

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Bug Report: Severe memory leak triggered by "TypeScript (Native Preview)" extension

microsoft/typescript-go · issue #4520 · opened Jul 2026 · 17 comments · no PRs referenced when indexed

Domain: Editor

0.20260702.3 1.127 Ubuntu 22.04 1. Create a new empty folder and create a single blank file named index.ts inside it. *It is important to have many other git…

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Regression: recursive conditional+mapped "serialize" type no longer proves `Transform<X>` assignable to `X` on deeply-nested compound types (native-preview; works in tsc)

microsoft/typescript-go · issue #4408 · opened Jun 2026 · 9 comments · no PRs referenced when indexed

Needs More Info

- @typescript/native-preview (tsgo) - Last good: 7.0.0-dev.20260421.2 - Broken: 7.0.0-dev.20260618.1 … 7.0.0-dev.20260622.1 (latest) — all fail - Stable…

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Why we picked it

Winnable volume0.88
Merge velocity0.54
Freshness1.00
Skill coverage1.00
Popularity0.69