Impact Score: 5/10
Deno v2.1.12 — 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 v2.1.12. Source highlight: The 2.1.11 release had an incorrect version number when doing `deno -v`.
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 (5)
- fix(ext/node): alias `shake-128` and `shake-256` hash algorithms (#28451)
- fix(ext/node): return `Buffer` from crypto cipher APIs (#28826)
- fix(ext/node): support input option in spawnSync (#28792)
- fix(ext/node): use primordials in `ext/node/polyfills/path/separator.ts`
- fix(node): add reset method to event loop delay histogram (#28788)
📄 View Raw Release Notes (Original Developer Log)
### 2.1.12 (LTS) / 2025.04.11
The 2.1.11 release had an incorrect version number when doing `deno -v`.
- fix(ext/node): alias `shake-128` and `shake-256` hash algorithms (#28451)
- fix(ext/node): return `Buffer` from crypto cipher APIs (#28826)
- fix(ext/node): support input option in spawnSync (#28792)
- fix(ext/node): use primordials in `ext/node/polyfills/path/separator.ts`
(#28669)
- fix(node): add reset method to event loop delay histogram (#28788)