Deno v0.16.0 — 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 6

⚡ Executive Summary (TL;DR)

Deno v0.16.0. Source highlight: feat: "deno test" subcommand (#2783, #2784, #2800)

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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: "deno test" subcommand (#2783, #2784, #2800)
feat: implement console.trace() (#2780)
feat: support .d.ts files (#2746)
feat: support custom inspection of objects (#2791)
feat: add overloaded form of unit test declaration (denoland/deno_std#563)
feat: add printf implementation (fmt/sprintf.ts) (denoland/deno_std#566)

🔧 Bug Fixes & Patches (6)

fix: dynamic import panic (#2792)
fix: handle tsconfig.json with comments (#2773)
fix: import map panics, use import map's location as its base URL (#2770)
fix: set response.url (#2782)
fix: accept absolute root directories in the file server
fix: refactor 'assertEquals' (denoland/deno_std#560)

📄 View Raw Release Notes (Original Developer Log)

### Changes In deno: - feat: "deno test" subcommand (#2783, #2784, #2800) - feat: implement console.trace() (#2780) - feat: support .d.ts files (#2746) - feat: support custom inspection of objects (#2791) - fix: dynamic import panic (#2792) - fix: handle tsconfig.json with comments (#2773) - fix: import map panics, use import map's location as its base URL (#2770) - fix: set response.url (#2782) In deno_std: - feat: add overloaded form of unit test declaration (denoland/deno_std#563) - feat: add printf implementation (fmt/sprintf.ts) (denoland/deno_std#566) - feat: print out the failed tests after the summary (denoland/deno_std#554) - feat: test runner (denoland/deno_std#516, denoland/deno_std#564, denoland/deno_std#568) - fix: accept absolute root directories in the file server (denoland/deno_std#558) - fix: refactor 'assertEquals' (denoland/deno_std#560) - fix: test all text functions in colors module (denoland/deno_std#553) ### Install / Upgrade **With Shell:** ```sh curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.16.0 ``` **With PowerShell:** ```powershell iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v0.16.0 ```

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