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Deno v1.23.4stable Released Jul 12, 2022
Impact Score: 5/10

Deno v1.23.4 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

Component: deno · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes
📄 .MD
✨ Features 1 ⚡ Improvements 3 🔧 Bug Fixes 6
⚡ Executive Summary (TL;DR)

Deno v1.23.4. Source highlight: feat(core): Re-export v8 use_custom_libcxx feature (#14475)

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (1)

  • feat(core): Re-export v8 use_custom_libcxx feature (#14475)

⚡ Performance & Enhancements (3)

  • perf(cli/proc_state): Get error source lines from memory (#15031)
  • perf(ext/ffi): leverage V8 Fast Calls (#15125)
  • perf(ext/http): skip `core.isProxy` check for default ResponseInit (#15077)

🔧 Bug Fixes & Patches (6)

  • fix(core): deflake WASM termination test (#15103)
  • fix(coverage): better handling of multi-byte characters (#15159)
  • fix(ext/console): Fix a typo in a warning when .timeEnd is called on an
  • fix(ext/crypto): Adjust typings for `Crypto.getRandomValues()` (#15130)
  • fix(ext/ffi): Avoid keeping JsRuntimeState RefCell borrowed for event loop
  • fix(ext/ffi): allow opting out of fast ffi calls (#15131)
📄 View Raw Release Notes (Original Developer Log)
### 1.23.4 / 2022.07.12 - feat(core): Re-export v8 use_custom_libcxx feature (#14475) - fix(core): deflake WASM termination test (#15103) - fix(coverage): better handling of multi-byte characters (#15159) - fix(ext/console): Fix a typo in a warning when .timeEnd is called on an unknown timer (#15135) - fix(ext/crypto): Adjust typings for `Crypto.getRandomValues()` (#15130) - fix(ext/ffi): Avoid keeping JsRuntimeState RefCell borrowed for event loop middleware calls (#15116) - fix(ext/ffi): allow opting out of fast ffi calls (#15131) - fix(ext/ffi): trampoline for fast calls (#15139) - fix(ext/http) nextRequest return type annotation from ResponseEvent to RequestEvent (#15100) - fix(ext/http): reading headers with ongoing body reader (#15161) - fix(ext/url): missing primordial (#15096) - fix(lsp): enable auto imports (#15145) - fix(net): don't panic on failed UDS removal (#15157) - fix: upgrade deno_ast to 0.17 (#15152) - perf(cli/proc_state): Get error source lines from memory (#15031) - perf(ext/ffi): leverage V8 Fast Calls (#15125) - perf(ext/http): skip `core.isProxy` check for default ResponseInit (#15077)
← Older Version Deno v1.23.3