Impact Score: 5/10
Deno v1.21.3 — 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.
⚡ Executive Summary (TL;DR)
Deno v1.21.3. Source highlight: fix(cli): add deno version to manual links (#14505)
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(cli): add deno version to manual links (#14505)
- fix(core): avoid panic on non-string Error.name (#14529)
- fix(ext/tls): finish TLS handshake before shutting down (#14547)
- fix(runtime): stdout and stderr encoding on Windows (#14559)
- fix(task): accept double hyphen arg immediately following task name (#14567)
- fix(test): do not panic on `TestOutputPipe::flush` when receiver dropped
📄 View Raw Release Notes (Original Developer Log)
### 1.21.3 / 2022.05.12
- fix(cli): add deno version to manual links (#14505)
- fix(core): avoid panic on non-string Error.name (#14529)
- fix(ext/tls): finish TLS handshake before shutting down (#14547)
- fix(runtime): stdout and stderr encoding on Windows (#14559)
- fix(task): accept double hyphen arg immediately following task name (#14567)
- fix(test): do not panic on `TestOutputPipe::flush` when receiver dropped
(#14560)
- fix(workers): make module evaluation result deterministic (#14553)