Deno v0.13.0 — 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 2 ⚡ Improvements 1 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v0.13.0. Source highlight: feat: add debug info to ModuleResolutionError (#2697)

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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 (2)

feat: expose writeAll() and writeAllSync() (#2298)
feat: Add --current-thread flag (#2702)

⚡ Performance & Enhancements (1)

perf: Remove v8::Locker calls (#2665, #2664)

🔧 Bug Fixes & Patches (6)

feat: add debug info to ModuleResolutionError (#2697)
fix: REPL shouldn't panic when it gets SIGINT (#2662)
fix: Remap stack traces of unthrown errors (#2693)
fix: bring back --no-fetch flag (#2671)
fix: handle deno -v and deno --version (#2684)
fix: make importmap flag global (#2687)

📄 View Raw Release Notes (Original Developer Log)

### Changes In deno: - feat: add debug info to ModuleResolutionError (#2697) - feat: expose writeAll() and writeAllSync() (#2298) - feat: Add --current-thread flag (#2702) - fix: REPL shouldn't panic when it gets SIGINT (#2662) - fix: Remap stack traces of unthrown errors (#2693) - fix: bring back --no-fetch flag (#2671) - fix: handle deno -v and deno --version (#2684) - fix: make importmap flag global (#2687) - fix: timer's params length (#2655) - perf: Remove v8::Locker calls (#2665, #2664) In deno_std: - fix: Make shebangs Linux compatible (denoland/deno_std#545) - fix: Ignore error of writing responses to aborted requests (denoland/deno_std#546) - fix: use Deno.execPath where possible (denoland/deno_std#548) ### Install / Upgrade **With Shell:** ```sh curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.13.0 ``` **With PowerShell:** ```powershell iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v0.13.0 ```

← Older Version Deno v0.12.0 Newer Version → Deno v0.14.0