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Deno v1.23.3stable Released Jul 05, 2022
Impact Score: 5/10

Deno v1.23.3 — 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
⚡ Improvements 5 🔧 Bug Fixes 5
⚡ Executive Summary (TL;DR)

Deno v1.23.3. Source highlight: Revert "refactor(snapshots): to their own crate (#14794)" (#15076)

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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.

⚡ Performance & Enhancements (5)

  • perf(ext/http): lazy load headers (#15055)
  • perf(ext/http): remove accept_encoding interior mutability (#15070)
  • perf(ext/http): simplify op_http_accept (#15067)
  • perf(ops): fast path for SMI return values (#15033)
  • perf(serde_v8): avoid extra is_array_buffer_view check (#15056)

🔧 Bug Fixes & Patches (5)

  • fix(cli): handle collecting a directory with file:// (#15002)
  • fix(core): handle exception from Wasm termination (#15014)
  • fix(core): remove unsafe in OpsTracker (#15025)
  • fix(dts): stop default export type behavior (#14977)
  • fix: update to TypeScript 4.7.4 (#15022)
📄 View Raw Release Notes (Original Developer Log)
### 1.23.3 / 2022.07.05 - Revert "refactor(snapshots): to their own crate (#14794)" (#15076) - fix(cli): handle collecting a directory with file:// (#15002) - fix(core): handle exception from Wasm termination (#15014) - fix(core): remove unsafe in OpsTracker (#15025) - fix(dts): stop default export type behavior (#14977) - fix: update to TypeScript 4.7.4 (#15022) - perf(ext/http): lazy load headers (#15055) - perf(ext/http): remove accept_encoding interior mutability (#15070) - perf(ext/http): simplify op_http_accept (#15067) - perf(ops): fast path for SMI return values (#15033) - perf(serde_v8): avoid extra is_array_buffer_view check (#15056)
← Older Version Deno v1.23.2