Deno v0.32.0 — 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

- BREAKING CHANGE: Replace formatter for "deno fmt", use dprint (#3820, #3824,
- BREAKING CHANGE: Remove std/prettier (#3820)
- BREAKING CHANGE: Remove std/installer (#3843)
- BREAKING CHANGE: Remove --current-thread flag (#3830)
- BREAKING CHANGE: Deno.makeTempDir() checks permissions (#3810)

Read the original context ↗

Source flags breaking changes — review applicability

📄 .MD

✨ Features 6 🔧 Bug Fixes 2 ⚠️ Breaking & Deprecations 5

⚡ Executive Summary (TL;DR)

Deno v0.32.0. Source highlight: BREAKING CHANGE: Replace formatter for "deno fmt", use dprint (#3820, #3824,

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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.

⚠️ Breaking Changes & Deprecations (5)

- BREAKING CHANGE: Replace formatter for "deno fmt", use dprint (#3820, #3824,
- BREAKING CHANGE: Remove std/prettier (#3820)
- BREAKING CHANGE: Remove std/installer (#3843)
- BREAKING CHANGE: Remove --current-thread flag (#3830)
- BREAKING CHANGE: Deno.makeTempDir() checks permissions (#3810)

✨ New Features & Capabilities (6)

feat: deno install in Rust (#3806)
feat: Improve support of type definitions (#3755)
feat: deno fetch supports --lock-write (#3787)
feat: deno eval supports --v8-flags=... (#3797)
feat: descriptive permission errors (#3808)
feat: Make fetch API more standards compliant (#3667)

🔧 Bug Fixes & Patches (2)

fix: Panic on cache miss (#3784)
fix: Deno.remove() to properly remove dangling symlinks (#3860)

📄 View Raw Release Notes (Original Developer Log)

### Changes - BREAKING CHANGE: Replace formatter for "deno fmt", use dprint (#3820, #3824, #3842) - BREAKING CHANGE: Remove std/prettier (#3820) - BREAKING CHANGE: Remove std/installer (#3843) - BREAKING CHANGE: Remove --current-thread flag (#3830) - BREAKING CHANGE: Deno.makeTempDir() checks permissions (#3810) - feat: deno install in Rust (#3806) - feat: Improve support of type definitions (#3755) - feat: deno fetch supports --lock-write (#3787) - feat: deno eval supports --v8-flags=... (#3797) - feat: descriptive permission errors (#3808) - feat: Make fetch API more standards compliant (#3667) - feat: deno fetch supports multiple files (#3845) - feat(std/node): Endianness (#3833) - feat(std/node): Partial os polyfill (#3821) - feat(std/examples): Bring back xeval (#3822) - feat(std/encoding): Add base32 support (#3855) - feat(deno_typescript): Support crate imports (#3814) - fix: Panic on cache miss (#3784) - fix: Deno.remove() to properly remove dangling symlinks (#3860) - refactor: Use tokio::main attribute in lib.rs (#3831) - refactor: Provide TS libraries for window and worker scope (#3771, #3812, #3728) - refactor(deno_core): Error tracking and scope passing (#3783) - refactor(deno_core): Rename PinnedBuf to ZeroCopyBuf (#3782) - refactor(deno_core): Change Loader trait (#3791) - upgrade: Rust 1.41.0 (#3838) - upgrade: Rust crates (#3829) ### Install / Upgrade **With Shell:** ```sh curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.32.0 ``` **With PowerShell:** ```powershell iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v0.32.0 ```

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