Deno v1.29.3 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 2 ⚡ Improvements 1 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v1.29.3. Source highlight: feat(core): allow specifying name and dependencies of an Extension (#17301)

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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.

✨ New Features & Capabilities (2)

feat(core): allow specifying name and dependencies of an Extension (#17301)
feat(ext/ffi): structs by value (#15060)

⚡ Performance & Enhancements (1)

perf(ext,runtime): remove using `SafeArrayIterator` from `for-of` (#17255)

🔧 Bug Fixes & Patches (6)

fix(cli): uninstall command accept short flags (#17259)
fix(cli/args): update value_name of inspect args to resolve broken completions
fix(core): get v8 console from context extra bindings (#17243)
fix(ext/web/streams): fix ReadableStream asyncIterator (#16276)
fix(fmt): better handling of link reference definitions when formatting
fix(install): should always include `--no-config` in shim unless `--config` is

📄 View Raw Release Notes (Original Developer Log)

### 1.29.3 / 2023.01.13 - feat(core): allow specifying name and dependencies of an Extension (#17301) - feat(ext/ffi): structs by value (#15060) - fix(cli): uninstall command accept short flags (#17259) - fix(cli/args): update value_name of inspect args to resolve broken completions (#17287) - fix(core): get v8 console from context extra bindings (#17243) - fix(ext/web/streams): fix ReadableStream asyncIterator (#16276) - fix(fmt): better handling of link reference definitions when formatting markdown (#17352) - fix(install): should always include `--no-config` in shim unless `--config` is specified (#17300) - fix(napi): Implement `napi_threadsafe_function` ref and unref (#17304) - fix(napi): date and unwrap handling (#17369) - fix(napi): handle static properties in classes (#17320) - fix(napi): support for env cleanup hooks (#17324) - fix(npm): allow to read package.json if permissions are granted (#17209) - fix(npm): handle declaration file resolution where packages incorrectly define "types" last in "exports" (#17290) - fix(npm): panic resolving some dependencies with dist tags (#17278) - fix(npm): reduce copy packages when resolving optional peer dependencies (#17280) - fix(npm): support old packages and registries with no integrity, but with a sha1sum (#17289) - fix(permissions): lock stdio streams when prompt is shown (#17392) - fix(watch): preserve `ProcState::file_fetcher` between restarts (#15466) - fix(webidl): properly implement setlike (#17363) - fix: check if BroadcastChannel is open before sending (#17366) - fix: don't panic on resolveDns if unsupported record type is specified (#17336) - fix: don't unwrap in test pipe handling logic (#17341) - fix: make self and window getters only & make getterOnly ignore setting (#17362) - perf(ext,runtime): remove using `SafeArrayIterator` from `for-of` (#17255)

← Older Version Deno v1.29.2 Newer Version → Deno v1.29.4