⚠️ Breaking Change
Impact Score: 7/10
Deno v0.38.0 — 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.
Breaking-change evidence from the source
- fix(console): replace object abbreviation with line breaking (#4425)
⚡ Executive Summary (TL;DR)
Deno v0.38.0. Source highlight: feat: Add "deno doc" subcommand (#4500)
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.
⚠️ Breaking Changes & Deprecations (1)
- - fix(console): replace object abbreviation with line breaking (#4425)
✨ New Features & Capabilities (5)
- feat: Add "deno doc" subcommand (#4500)
- feat: Support --inspect, Chrome Devtools support (#4484)
- feat: Support Unix Domain Sockets (#4176)
- feat: add queueMicrotask to d.ts (#4477)
- feat: window.close() (#4474)
🔧 Bug Fixes & Patches (5)
- fix(console): replace object abbreviation with line breaking (#4425)
- fix: add fsEvent notify::Error casts (#4488)
- fix: hide source line if error message longer than 150 chars (#4487)
- fix: parsing bug (#4483)
- fix: remove extra dot in Permission request output (#4471)
📄 View Raw Release Notes (Original Developer Log)
### Changes
- feat: Add "deno doc" subcommand (#4500)
- feat: Support --inspect, Chrome Devtools support (#4484)
- feat: Support Unix Domain Sockets (#4176)
- feat: add queueMicrotask to d.ts (#4477)
- feat: window.close() (#4474)
- fix(console): replace object abbreviation with line breaking (#4425)
- fix: add fsEvent notify::Error casts (#4488)
- fix: hide source line if error message longer than 150 chars (#4487)
- fix: parsing bug (#4483)
- fix: remove extra dot in Permission request output (#4471)
- refactor: rename ConsoleOptions to InspectOptions (#4493)
- upgrade: dprint 0.9.6 (#4509, #4491)
- upgrade: prettier 2 for internal code formatting (#4498)
- upgrade: rusty_v8 to v0.3.9 (#4505)
### Install / Upgrade
**Using Deno:**
```sh
deno upgrade
```
**With Shell:**
```sh
curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.38.0
```
**With PowerShell:**
```powershell
iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v0.38.0
```