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Deno v1.36.2stable Released Aug 21, 2023
Impact Score: 5/10

Deno v1.36.2 — 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 3 ⚡ Improvements 6 🔧 Bug Fixes 6
⚡ Executive Summary (TL;DR)

Deno v1.36.2. Source highlight: feat(ext/kv): key expiration (#20091)

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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 (3)

  • feat(ext/kv): key expiration (#20091)
  • feat(ext/node): eagerly bootstrap node (#20153)
  • feat(unstable): Improve FFI types (#20215)

⚡ Performance & Enhancements (6)

  • perf(ext/event): always set timeStamp to 0 (#20191)
  • perf(ext/event): optimize Event constructor (#20181)
  • perf(ext/event): optimize addEventListener options converter (#20203)
  • perf(ext/event): replace ReflectHas with object lookup (#20190)
  • perf(ext/headers): cache iterableHeaders for immutable Headers (#20132)
  • perf(ext/headers): optimize getHeader using for loop (#20115)

🔧 Bug Fixes & Patches (6)

  • fix(cli) error gracefully when script arg is not present and `--v8-flags` is
  • fix(cli): handle missing `now` field in cache (#20192)
  • fix(ext/fetch): clone second branch chunks in Body.clone() (#20057)
  • fix(ext/http): ensure request body resource lives as long as response is alive
  • fix(ext/kv): retry transaction on `SQLITE_BUSY` errors (#20189)
  • fix(ext/net): implement a graceful error on an invalid SSL certificate
📄 View Raw Release Notes (Original Developer Log)
### 1.36.2 / 2023.08.21 - feat(ext/kv): key expiration (#20091) - feat(ext/node): eagerly bootstrap node (#20153) - feat(unstable): Improve FFI types (#20215) - fix(cli) error gracefully when script arg is not present and `--v8-flags` is present in `deno run` (#20145) - fix(cli): handle missing `now` field in cache (#20192) - fix(ext/fetch): clone second branch chunks in Body.clone() (#20057) - fix(ext/http): ensure request body resource lives as long as response is alive (#20206) - fix(ext/kv): retry transaction on `SQLITE_BUSY` errors (#20189) - fix(ext/net): implement a graceful error on an invalid SSL certificate (#20157) - fix(ext/node): allow for the reassignment of userInfo() on Windows (#20165) - fix(ext/node): support dictionary option in zlib init (#20035) - fix(lsp): pass fmt options to completion requests (#20184) - fix(node): don't print warning on process.dlopen.flags (#20124) - fix(node): implement TLSSocket._start (#20120) - fix(node): object keys in publicEncrypt (#20128) - fix(node/http): emit error when addr in use (#20200) - fix(npm): do not panic providing file url to require.resolve paths (#20182) - fix(require): use canonicalized path for loading content (#20133) - fix(runtime): navigator.userAgent in web worker (#20129) - fix(runtime): use host header for inspector websocket URL (#20171) - fix(test): JUnit reporter includes file, line and column attributes (#20174) - fix(unstable): disable importing from the vendor directory (#20067) - fix: release ReadeableStream in fetch (#17365) - perf(ext/event): always set timeStamp to 0 (#20191) - perf(ext/event): optimize Event constructor (#20181) - perf(ext/event): optimize addEventListener options converter (#20203) - perf(ext/event): replace ReflectHas with object lookup (#20190) - perf(ext/headers): cache iterableHeaders for immutable Headers (#20132) - perf(ext/headers): optimize getHeader using for loop (#20115) - perf(ext/headers): optimize headers iterable (#20155) - perf(ext/headers): use regex.test instead of .exec (#20125) - perf(ext/http): use ServeHandlerInfo class instead of object literal (#20122) - perf(ext/node): cache `IncomingMessageForServer.headers` (#20147) - perf(ext/node): optimize http headers (#20163) - perf(ext/request): optimize Request constructor (#20141) - perf(ext/request): optimize validate and normalize HTTP method (#20143) - perf(ext/urlpattern): optimize URLPattern.exec (#20170) - perf(http): use Cow<[u8]> for setting header (#20112)
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