Deno v1.10.1 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 6 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v1.10.1. Source highlight: Release Notes https://deno.com/blog/v1.10

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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.

✨ New Features & Capabilities (6)

feat: "deno test" prompts number of tests and origin (#10428)
feat: "Worker.postMessage()" uses structured clone algorithm (#9323)
feat: add "deno test --doc" (#10521)
feat: add "deno test --jobs" (#9815)
feat: add "deno test --watch" (#9160)
feat: add test permissions to Deno.test (#10188)

🔧 Bug Fixes & Patches (6)

fix(#10603): Disable lsp workspaces, resolve deadlock bug
feat(lsp): add internal debugging logging (#10438)
fix: invalid types for asynchronous and synchronous `File#truncate` (#10353)
fix: rename Deno.emit() bundle options to "module" and "classic" (#10332)
fix: sleepSync doesn't return a Promise (#10358)
fix: TextEncoder#encodeInto spec compliance (#10129)

📄 View Raw Release Notes (Original Developer Log)

Release Notes https://deno.com/blog/v1.10 ### 1.10.1 / 2021.05.11 - fix(#10603): Disable lsp workspaces, resolve deadlock bug ### 1.10.0 / 2021.05.11 - feat: "deno test" prompts number of tests and origin (#10428) - feat: "Worker.postMessage()" uses structured clone algorithm (#9323) - feat: add "deno test --doc" (#10521) - feat: add "deno test --jobs" (#9815) - feat: add "deno test --watch" (#9160) - feat: add test permissions to Deno.test (#10188) - feat: add WebStorage API (#7819) - feat: align plugin api with "deno_core::Extension" (#10427) - feat: support deno-fmt-ignore-file for markdown formatting (#10191) - feat(core): enable WASM shared memory (#10116) - feat(core): introduce Extension (#9800) - feat(lsp): add internal debugging logging (#10438) - feat(lsp): support workspace folders configuration (#10488) - fix: invalid types for asynchronous and synchronous `File#truncate` (#10353) - fix: rename Deno.emit() bundle options to "module" and "classic" (#10332) - fix: sleepSync doesn't return a Promise (#10358) - fix: TextEncoder#encodeInto spec compliance (#10129) - fix: typings for `Deno.os.arch` (#10541) - fix(extensions/fetch): infinite loop on fill headers (#10406) - fix(extensions/fetch): Prevent throwing when inspecting a request (#10335) - fix(installer): allow remote import maps (#10499) - fix(lsp): remove code_action/diagnostics deadlock (#10555) - fix(tls): flush send buffer in the background after closing TLS stream (#10146) - fix(tls): throw meaningful error when hostname is invalid (#10387) Release notes for std version 0.96.0: https://github.com/denoland/deno_std/releases/tag/0.96.0

← Older Version Deno v1.9.2 Newer Version → Deno v1.10.2