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SWC. A faster tool that processes JavaScript and TypeScript code.

swc.rs

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Updates

July 2026
  • refactor(es/helpers): Generate inline helpers from canonical ESM sour…
  • fix(es/hygiene): Ignore eval in default hygiene pass (#12003)
  • fix(deps): update crossbeam-epoch to 0.9.20 (#12004)
  • fix(es/module): Rewrite SystemJS transform (#11996)
  • chore: Publish crates with `swc_core` `v73.0.0`
  • fix(es/minifier): Make Infect Collect collect every used ident (#11998)
  • fix(es/module): Rewrite `.tsx` imports to `.js` unless JSX is preserv…
  • refactor(es/module): Align module transform records with spec terms (…
  • chore: Publish crates with `swc_core` `v72.0.0`
  • feat(bindings): add `lint` / `lintSync` API to `@swc/react-compiler` …
  • fix(es/minifier): Invoke IIFE when has eval (#11987)
  • fix(es/react-compiler): Correct catch and parameter scope resolution …
  • fix(es/react): Emit jsxdev source for fragments (#11993)
  • chore: Publish crates with `swc_core` `v71.0.7`
  • fix(es/minifier): Disable IIFE invoke when there's eval (#11984)
  • chore: Publish crates with `swc_core` `v71.0.6`
  • build: Remove vergen dependency (#11976)
June 2026
  • chore: Publish crates with `swc_core` `v71.0.5`
  • fix(es/minifier): Check last case (#11972)
  • fix(es/minifier): preserve switch fallthrough termination (#11971)
  • Release —v1.15.43
  • Release —v1.15.43-nightly-20260622.1
  • Release —v1.15.42-nightly-20260622.1
  • Release —v1.15.41
  • Release —v1.15.41-nightly-20260609.1
May 2026
  • Release —v1.15.40
  • Release —v1.15.40-nightly-20260523.1
  • Release —v1.15.39-nightly-20260523.1
  • Release —v1.15.38-nightly-20260522.1
  • Release —v1.15.33