Impact Score: 5/10
Deno v1.21.2 — 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 v1.21.2. Source highlight: fix(cli): add dom.extras lib (#14430)
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 dom.extras lib (#14430)
- fix(coverage): exclude .snap files (#14480)
- fix(ext/http): explicitly close resource after reading (#14471)
- fix(runtime): lossy utf8 readTextFile (#14456)
- fix(task): allow hyphen values after task name (#14434)
- fix(task): support forwarding lone double hyphen (#14436)
📄 View Raw Release Notes (Original Developer Log)
### 1.21.2 / 2022.05.05
- fix(cli): add dom.extras lib (#14430)
- fix(coverage): exclude .snap files (#14480)
- fix(ext/http): explicitly close resource after reading (#14471)
- fix(runtime): lossy utf8 readTextFile (#14456)
- fix(task): allow hyphen values after task name (#14434)
- fix(task): support forwarding lone double hyphen (#14436)
- fix(test): actually capture stdout and stderr in workers (#14435)
- fix(test/bench): accept file protocol module specifier CLI args (#14429)
- fix(vendor): do not panic on relative specifier with scheme-like folder name
(#14453)
- fix: improve formatting jsdocs with asterisk as first char on line (#14446)