Impact Score: 5/10
Deno v1.33.4 โ Release Notes & Engineering Impact
Source available โ automated, not human-reviewed
Component: deno ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
โก Executive Summary (TL;DR)
Deno v1.33.4. Source highlight: fix(ext/web): Request higher-resolution timer on Windows if user requests
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โจ New Features & Capabilities (2)
- feat(node/crypto): Builtin Diffie-Hellman Groups (#19137)
- feat(node/crypto): Diffie Hellman Support (#18943)
๐ง Bug Fixes & Patches (6)
- fix(ext/web): Request higher-resolution timer on Windows if user requests
- fix(cli/napi): handle finalizers (#19168)
- fix(deno/upgrade): allow --version vX.Y.Z (#19139)
- fix(dts): move BroadcastChannel type to lib.deno.unstable.d.ts (#19108)
- fix(ext/http): Ensure cancelled requests don't crash Deno.serve (#19154)
- fix(ext/node): fix whatwg url formatting (#19146)
๐ View Raw Release Notes (Original Developer Log)
### 1.33.4 / 2023.05.18
- fix(ext/web): Request higher-resolution timer on Windows if user requests
setTimeout w/short delay (#19149)
- feat(node/crypto): Builtin Diffie-Hellman Groups (#19137)
- feat(node/crypto): Diffie Hellman Support (#18943)
- fix(cli/napi): handle finalizers (#19168)
- fix(deno/upgrade): allow --version vX.Y.Z (#19139)
- fix(dts): move BroadcastChannel type to lib.deno.unstable.d.ts (#19108)
- fix(ext/http): Ensure cancelled requests don't crash Deno.serve (#19154)
- fix(ext/node): fix whatwg url formatting (#19146)
- fix(ext/node): make nodeGlobalThis configurable (#19163)
- fix(ext/webidl): change createPromiseConverter (#16367)
- fix(ext/websocket): order of ws writes (#19131)
- fix(fetch): Correctly decode `multipart/form-data` names and filenames
(#19145)
- fix(kv): kv.close() interrupts in-flight operations (#19076)
- fix(lsp): increase default max heap size to 3Gb (#19115)
- fix(napi): BigInt related APIs (#19174)
- fix(node): export diagnostics_channel module (#19167)
- fix(node): export punycode module (#19151)
- fix(node): support passing parent stdio streams (#19171)
- fix(npm): add performance.markResourceTiming sham (#19123)
- fix(npm): improved optional dependency support (#19135)
- fix(runtime): Box the main future to avoid blowing up the stack (#19155)
- fix(runtime): Example hello_runtime panic (#19125)
- fix: support "fetch" over HTTPS for IP addresses (#18499)