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Deno v1.39.1stable Released Dec 21, 2023
Impact Score: 5/10

Deno v1.39.1 — 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
🔧 Bug Fixes 6
⚡ Executive Summary (TL;DR)

Deno v1.39.1. Source highlight: fix(bench): added group banner to bench output. (#21551)

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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.

🔧 Bug Fixes & Patches (6)

  • fix(bench): added group banner to bench output. (#21551)
  • fix(console): inspect for `{Set,Map}Iterator` and `Weak{Set,Map}` (#21554)
  • fix(coverage): add default coverage include dir (#21625)
  • fix(coverage): error if no files found (#21615)
  • fix(devcontainer): moved settings to customizations/vscode (#21512)
  • fix(ext/napi): don't close handle scopes in NAPI as the pointers are invalid
📄 View Raw Release Notes (Original Developer Log)
### 1.39.1 / 2023.12.21 - fix(bench): added group banner to bench output. (#21551) - fix(console): inspect for `{Set,Map}Iterator` and `Weak{Set,Map}` (#21554) - fix(coverage): add default coverage include dir (#21625) - fix(coverage): error if no files found (#21615) - fix(devcontainer): moved settings to customizations/vscode (#21512) - fix(ext/napi): don't close handle scopes in NAPI as the pointers are invalid (#21629) - fix(jupyter): Deno.test() panic (#21606) - fix(lsp): apply specifier rewrite to CompletionItem::text_edit (#21564) - fix(net): remove unstable check for unix socket listen (#21592) - fix(node): add crypto.pseudoRandomBytes (#21649) - fix(node): child_process IPC on Windows (#21597) - fix(node): child_process kill cancel pending IPC reads (#21647) - fix(node): return false from vm.isContext (#21568) - fix(node): support resolving a package.json import to a builtin node module (#21576) - fix(repl): remove stray debug log (#21635) - fix: prompts when publishing (#21596) - fix: urls for publishing (#21613)
← Older Version Deno v1.39.0