Impact Score: 5/10
Deno v1.0.5 — 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.
⚡ Executive Summary (TL;DR)
Deno v1.0.5. Source highlight: fix(fetch): Support 101 status code (#6059)
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 (2)
- feat(std/testing): benching progress callback (#5941)
- feat(std/encoding): add base64url module (#5976)
🔧 Bug Fixes & Patches (4)
- fix(fetch): Support 101 status code (#6059)
- fix: REPL BorrowMutError panic (#6055)
- fix: dynamic import BorrowMutError (#6065)
- fix(std/testing/asserts): Format values in assertArrayContains() (#6060)
📄 View Raw Release Notes (Original Developer Log)
### Changes
Changes in the CLI:
- fix(fetch): Support 101 status code (#6059)
- fix: REPL BorrowMutError panic (#6055)
- fix: dynamic import BorrowMutError (#6065)
- upgrade: dprint 0.19.1 and swc_ecma_parser 0.24.3 (#6068)
- upgrade: rusty_v8 0.5.0 (#6070)
Changes in std version 0.56.0:
- feat(std/testing): benching progress callback (#5941)
- feat(std/encoding): add base64url module (#5976)
- fix(std/testing/asserts): Format values in assertArrayContains() (#6060)
### Install / Upgrade
**Using Deno:**
```sh
deno upgrade --version 1.0.5
```
**With Shell:**
```sh
curl -fsSL https://deno.land/x/install/install.sh | sh -s v1.0.5
```
**With PowerShell:**
```powershell
$v="1.0.5"; iwr https://deno.land/x/install/install.ps1 -useb | iex
```