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Deno v1.4.5stable Released Oct 08, 2020
Impact Score: 5/10

Deno v1.4.5 — 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 3 🔧 Bug Fixes 6
⚡ Executive Summary (TL;DR)

Deno v1.4.5. Source highlight: feat(unstable): Revert "enable importsNotUsedAsValues by default" (#7800)

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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 (3)

  • feat(unstable): Revert "enable importsNotUsedAsValues by default" (#7800)
  • perf(cli/console): Don't add redundant ANSI codes (#7823)
  • feat(std/node/fs): Adding readdir, rename, and some others (#7666)

🔧 Bug Fixes & Patches (6)

  • fix: Update worker types to better align to lib.dom.d.ts (#7843)
  • fix(cli/ops/fs): Don't force Windows paths separate paths with forward slash (#7833)
  • fix(cli/rt/console): Don't require a prototype to detect a class instance (#7869)
  • fix(cli/rt/error_stack): Improve message line formatting (#7860)
  • fix(core): Handle unregistered errors in core better (#7817)
  • fix(core): Module execution with top level await (#7672)
📄 View Raw Release Notes (Original Developer Log)
### 1.4.5 / 2020.10.08 - feat(unstable): Revert "enable importsNotUsedAsValues by default" (#7800) - fix: Update worker types to better align to lib.dom.d.ts (#7843) - fix(cli/ops/fs): Don't force Windows paths separate paths with forward slash (#7833) - fix(cli/rt/console): Don't require a prototype to detect a class instance (#7869) - fix(cli/rt/error_stack): Improve message line formatting (#7860) - fix(core): Handle unregistered errors in core better (#7817) - fix(core): Module execution with top level await (#7672) - perf(cli/console): Don't add redundant ANSI codes (#7823) - refactor(cli): Remove TextDocument (#7850) - refactor(cli/inspector): Use &str for post_message (#7851) - refactor(cli/repl): Tightly integrate event loop (#7834) - refactor(core): Cleanup JsRuntime (#7853, #7855, #7825, #7846) - upgrade: deno_doc, deno_lint, dprint, swc (#7862) - upgrade: rusty_v8 0.11.0, V8 8.7.220.3 (#7859) Changes in std version 0.74.0: - chore(std/http): Rename http_bench.ts -> bench.ts (#7509) - feat(std/node/fs): Adding readdir, rename, and some others (#7666) - fix(std/node/fs): Allow appendFileSync to accept Uint8Array as type for data (#7835)
← Older Version Deno v1.4.4