Deno v1.35.0 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 6 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v1.35.0. Source highlight: feat: add more Deno.errors classes (#19514)

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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: add more Deno.errors classes (#19514)
feat: ReadableStream.from (#19446)
feat: stabilize 'alpnProtocols' setting (#19704)
feat: Stabilize Deno.serve() API (#19141)
feat: upgrade to TypeScript 5.1.6 (#19695)
feat(ext/fetch): add Headers#getSetCookie (#13542)

🔧 Bug Fixes & Patches (6)

feat(lsp): support import maps in quick fix and auto-imports (#19692)
fix: add `exactOptionalPropertyTypes` for configuration file JSON schema
fix: bump default @types/node version range to 18.16.19 (#19706)
fix(cli): don't store blob and data urls in the module cache (#18581)
fix(cli): Fix the bug where the command description is not displayed. (#19604)
fix(cli/napi): `napi_get_buffer_info` accepts `ArrayBufferView` … (#19551)

📄 View Raw Release Notes (Original Developer Log)

### 1.35.0 / 2023.07.04 - feat: add more Deno.errors classes (#19514) - feat: ReadableStream.from (#19446) - feat: stabilize 'alpnProtocols' setting (#19704) - feat: Stabilize Deno.serve() API (#19141) - feat: upgrade to TypeScript 5.1.6 (#19695) - feat(ext/fetch): add Headers#getSetCookie (#13542) - feat(ext/url): URLSearchParams two-argument delete() and has() (#19654) - feat(lock): skip saving declaration files in the lockfile (#19447) - feat(lsp): basic support of auto-imports for npm specifiers (#19675) - feat(lsp): support import maps in quick fix and auto-imports (#19692) - fix: add `exactOptionalPropertyTypes` for configuration file JSON schema (#19647) - fix: bump default @types/node version range to 18.16.19 (#19706) - fix(cli): don't store blob and data urls in the module cache (#18581) - fix(cli): Fix the bug where the command description is not displayed. (#19604) - fix(cli/napi): `napi_get_buffer_info` accepts `ArrayBufferView` … (#19551) - fix(cli/napi): property with getter/setter always failed (#19562) - fix(console): correct the parseCssColor algorithm (#19645) - fix(dts): make globals available on globalThis (#19438) - fix(ext/crypto): Fix WebCrypto API's deriveKey (#19545) - fix(ext/fs): fix boolean checks in JS parser (#19586) - fix(ext/http): Catch errors in eager stream timeout to avoid uncaught promise rejections (#19691) - fix(ext/kv): expose Deno.AtomicOperation (#19674) - fix(ext/node): Define performance.timeOrigin as getter property (#19714) - fix(ext/node): ignore cancelled timer when node timer refresh (#19637) - fix(ext/node): support brotli APIs (#19223) - fix(ext/websocket): Ensure that errors are available after async response returns (#19642) - fix(node/http): add setKeepAlive to FakeSocket (#19659) - fix(npm): escape export identifier in double quoted string (#19694) - fix(npm): handle more reserved words as cjs exports (#19672) - fix(npm): support siblings that are peer dependencies of each other (#19657)

← Older Version Deno v1.34.3 Newer Version → Deno v1.35.1