Deno v2.1.7 — 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

⚡ Improvements 1 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v2.1.7. Source highlight: fix(ext/node): GCM auth tag check on DechiperIv#final (#27733)

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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.

⚡ Performance & Enhancements (1)

perf(compile): remove swc from denort (#27721)

🔧 Bug Fixes & Patches (6)

fix(ext/node): GCM auth tag check on DechiperIv#final (#27733)
fix(ext/node): add FileHandle#sync (#27677)
fix(ext/node): propagate socket error to client request object (#27678)
fix(ext/node): tls.connect regression (#27707)
fix(ext/os): pass SignalState to web worker (#27741)
fix(install/global): remove importMap field from specified config file

📄 View Raw Release Notes (Original Developer Log)

### 2.1.7 / 2025.01.21 - fix(ext/node): GCM auth tag check on DechiperIv#final (#27733) - fix(ext/node): add FileHandle#sync (#27677) - fix(ext/node): propagate socket error to client request object (#27678) - fix(ext/node): tls.connect regression (#27707) - fix(ext/os): pass SignalState to web worker (#27741) - fix(install/global): remove importMap field from specified config file (#27744) - fix: use 'getrandom' feature for 'sys_traits' crate - perf(compile): remove swc from denort (#27721)

← Older Version Deno v2.1.6 Newer Version → Deno v2.1.8