Deno v1.3.0 — 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 6 🔧 Bug Fixes 5

⚡ Executive Summary (TL;DR)

Deno v1.3.0. Source highlight: feat: Add "--no-check" flag to deno install (#6948)

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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 (6)

feat: Add "--no-check" flag to deno install (#6948)
feat: Add "--ignore" flag to deno lint (#6934)
feat: Add "--json" flag to deno lint (#6940)
feat: Add "--reload" flag to deno bundle (#6996)
feat: Add "--reload" flag to deno info (#7009)
feat: FileReader API (#6673)

🔧 Bug Fixes & Patches (5)

fix: console.log should see color codes when grouping occurs (#7000)
fix: URLSearchParams.toString() behaviour is different from browsers (#7017)
fix: Remove @ts-expect-error directives (#7024)
fix(unstable): Add missing globals to diagnostics (#6988)
fix: Make std work with isolatedModules (#7016)

📄 View Raw Release Notes (Original Developer Log)

### 1.3.0 / 2020.08.13 Changes in the CLI: - feat: Add "--no-check" flag to deno install (#6948) - feat: Add "--ignore" flag to deno lint (#6934) - feat: Add "--json" flag to deno lint (#6940) - feat: Add "--reload" flag to deno bundle (#6996) - feat: Add "--reload" flag to deno info (#7009) - feat: FileReader API (#6673) - feat: Handle imports in deno doc (#6987) - feat: Stabilize Deno.mainModule (#6993) - feat: Support file URLs in Deno.run for executable (#6994) - fix: console.log should see color codes when grouping occurs (#7000) - fix: URLSearchParams.toString() behaviour is different from browsers (#7017) - fix: Remove @ts-expect-error directives (#7024) - fix(unstable): Add missing globals to diagnostics (#6988) - refactor(doc): Remove detailed / summary distinction (#6818) - core: Memory limits & callbacks (#6914) - upgrade: TypeScript to 3.9.7 (#7036) - upgrade: Rust crates (#7034, #7040) Changes in std version 0.65.0: - feat(std/http): Add TLS serve abilities to file_server (#6962) - feat(std/http): Add --no-dir-listing flag to file_server (#6808) - feat(std/node): Add util.inspect (#6833) - fix: Make std work with isolatedModules (#7016) ### Install / Upgrade **Using Deno:** ```sh deno upgrade --version 1.3.0 ``` **With Shell:** ```sh curl -fsSL https://deno.land/x/install/install.sh | sh -s v1.3.0 ``` **With PowerShell:** ```powershell $v="1.3.0"; iwr https://deno.land/x/install/install.ps1 -useb | iex ```

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