Impact Score: 5/10
Deno v1.0.0 — 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.
⚡ Executive Summary (TL;DR)
Deno v1.0.0. Source highlight: Read more about this release at https://deno.land/v1
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.
🔧 Bug Fixes & Patches (3)
- fix: default to 0.0.0.0 for Deno.listen (#5203)
- fix: Make --inspect-brk pause on the first line of _user_ code (#5250)
- fix: Source maps in inspector for local files (#5245)
📄 View Raw Release Notes (Original Developer Log)
### Changes
Read more about this release at https://deno.land/v1
- fix: default to 0.0.0.0 for Deno.listen (#5203)
- fix: Make --inspect-brk pause on the first line of _user_ code (#5250)
- fix: Source maps in inspector for local files (#5245)
- upgrade: TypeScript 3.9 (#4510)
### Install / Upgrade
**Using Deno:**
```sh
deno upgrade --version 1.0.0
```
**With Shell:**
```sh
curl -fsSL https://deno.land/x/install/install.sh | sh -s v1.0.0
```
**With PowerShell:**
```powershell
iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v1.0.0
```