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Deno v1.12.1stable Released Jul 19, 2021
Impact Score: 5/10

Deno v1.12.1 — 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 v1.12.1. Source highlight: fix: Big{U|}Int64Array in crypto.getRandomValues (#11447)

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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: Big{U|}Int64Array in crypto.getRandomValues (#11447)
  • fix(extensions/http): correctly concat cookie headers (#11422)
  • fix(extensions/web): aborting a FileReader should not affect later reads (#11381)
  • fix(repl): output error without hanging when input is invalid (#11426)
  • fix(tsc): add .at() types manually to tsc (#11443)
  • fix(workers): silently ignore non-existent worker IDs (#11417)
📄 View Raw Release Notes (Original Developer Log)
### 1.12.1 / 2021.07.19 - fix: Big{U|}Int64Array in crypto.getRandomValues (#11447) - fix(extensions/http): correctly concat cookie headers (#11422) - fix(extensions/web): aborting a FileReader should not affect later reads (#11381) - fix(repl): output error without hanging when input is invalid (#11426) - fix(tsc): add .at() types manually to tsc (#11443) - fix(workers): silently ignore non-existent worker IDs (#11417)
← Older Version Deno v1.12.0