Issues

• util.format %o passes the wrong showHidden flag to custom inspectors

  vercel-labs/scriptc#2571 · Filter by author MathurAditya724 opened on Oct 29, 2026

• process.cwd.name keeps the main-thread name inside Workers

  vercel-labs/scriptc#2557 · Filter by author MathurAditya724 opened on Oct 29, 2026

• SC2003 'string | undefined' when a method returning an element of its array field is used inline

  vercel-labs/scriptc#2400 · Filter by author linguofeng opened on Oct 27, 2026

• SC2003 on a narrowed local const that a closure captures, when passed to setTimeout

  vercel-labs/scriptc#2399 · Filter by author linguofeng opened on Oct 27, 2026

• Large LLVM metadata tables crash compilation with a stack overflow

  vercel-labs/scriptc#2394 · Filter by author MathurAditya724 opened on Oct 27, 2026

• Implement legacy TypeScript decorators and metadata with native NestJS acceptance

  vercel-labs/scriptc#2209 · Filter by author vitalyiegorov opened on Oct 25, 2026

• Untyped new Map() assigned to an interface type builds, then throws not representable in the target union at runtime

  vercel-labs/scriptc#2143 · Filter by author dolphin278 opened on Oct 24, 2026

• Library mode rejects re-exported functions despite SC4002 recommending a re-export facade

  vercel-labs/scriptc#1993 · Filter by author gregfurman opened on Oct 23, 2026

• Large valid WASM functions exceed the JavaScript translator call-argument limit

  vercel-labs/scriptc#1796 · Filter by author MathurAditya724 opened on Oct 22, 2026

• 0.4.1: remaining --npm-static=auto refusals for a pi-coding-agent worker (namespace re-export cycle, createRequire computed specifier, CJS entries not joining)

  vercel-labs/scriptc#1777 · Filter by author HagegeR opened on Oct 22, 2026
  1

• Support WebAssembly SIMD instructions in ahead-of-time translation

  vercel-labs/scriptc#1679 · Filter by author jlucaso1 opened on Oct 21, 2026

• String-literal element access on the right of an any destructuring declaration is refused

  vercel-labs/scriptc#1677 · Filter by author jlucaso1 opened on Oct 21, 2026

• Clarification / RFC: BigInt(Uint8Array) lowering parity and documentation of runtime-optional storage rules

  vercel-labs/scriptc#1647 · Filter by author espetro opened on Oct 21, 2026

• Expose provenance/reason when type narrowing is bypassed by runtime-optional storage analysis

  vercel-labs/scriptc#1646 · Filter by author espetro opened on Oct 21, 2026

• SC2020 diagnostic formats IR storage union instead of checker-narrowed type, displaying phantom 'undefined' arm

  vercel-labs/scriptc#1645 · Filter by author espetro opened on Oct 21, 2026

• Record index-signature read widens callee parameter, causing SC2020 refusal despite typeof guard (0.4.0 regression)

  vercel-labs/scriptc#1644 · Filter by author espetro opened on Oct 21, 2026

• Feature Request: Compile TypeScript to Node-API addon, without node-gyp

  vercel-labs/scriptc#1643 · Filter by author toyobayashi opened on Oct 21, 2026

• Generic arrow bindings inside functions: uses that run before the initializer diverge from Node

  vercel-labs/scriptc#1642 · Filter by author ejc3 opened on Oct 21, 2026

• Error SC3004: spawnSync zig ENOENT

  vercel-labs/scriptc#1636 · Filter by author jgranduel opened on Oct 21, 2026

• Array reduce: accumulator narrower than the callback's or initial value's runtime type, and arguments.length in the callback

  vercel-labs/scriptc#1628 · Filter by author ejc3 opened on Oct 21, 2026
  1

• WeakMap and WeakSet operations scan every entry, so filling one is quadratic

  vercel-labs/scriptc#1619 · Filter by author ejc3 opened on Oct 21, 2026

• Test262 survey (static-adapted-v5): per-chapter results on main vs integration branch

  vercel-labs/scriptc#1472 · Filter by author cramforce opened on Oct 20, 2026

• node:crypto: no asymmetric keys/signing (generateKeyPairSync, sign), X509Certificate fields, or globalThis.crypto.subtle

  vercel-labs/scriptc#1441 · Filter by author saboursepideh opened on Oct 20, 2026

• node:tls: SNICallback, new tls.TLSSocket(socket, {isServer}), and ALPNProtocols not supported

  vercel-labs/scriptc#1438 · Filter by author saboursepideh opened on Oct 20, 2026

• No SIMD emitted for typed-array dot-product / MAC loops (0 vector instructions in a 431 KB A64 binary)

  vercel-labs/scriptc#1388 · Filter by author croissantsam opened on Oct 19, 2026