Impact Score: 5/10
Deno v0.3.8 — 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 v0.3.8. Source highlight: Async module loading (#2084 #2133)
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 (5)
- add custom panic handler to avoid silent failures (#2098)
- Add deno eval subcommand (#2102)
- EOL add mixed detection (deno_std#325)
- Added read file str (deno_std#276)
- add writeFileStr and update documentation (deno_std#340)
⚡ Performance & Enhancements (1)
- core: improve tail latency (#2131)
🔧 Bug Fixes & Patches (2)
- fix absolute path resolution from remote (#2109)
- fix: re-expose DomFile (#2100)
📄 View Raw Release Notes (Original Developer Log)
### Changes
In deno:
- Async module loading (#2084 #2133)
- core: improve tail latency (#2131)
- third_party: upgrade rust crates
- add custom panic handler to avoid silent failures (#2098)
- fix absolute path resolution from remote (#2109)
- Add deno eval subcommand (#2102)
- fix: re-expose DomFile (#2100)
- avoid prototype builtin hasOwnProperty (#2144)
In deno_std:
- Enforce HTTP/1.1 pipeline response order (deno_std#331)
- EOL add mixed detection (deno_std#325)
- Added read file str (deno_std#276)
- add writeFileStr and update documentation (deno_std#340)
### Install or Upgrade
Shell:
```sh
curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.3.8
```
With PowerShell:
```powershell
iwr https://deno.land/x/install/install.ps1 -out install.ps1; .\install.ps1 v0.3.8
```