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Deno v1.15.3stable Released Oct 25, 2021
Impact Score: 5/10

Deno v1.15.3 — 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 2 🔧 Bug Fixes 6
⚡ Executive Summary (TL;DR)

Deno v1.15.3. Source highlight: feat(serde_v8): StringOrBuffer (#12503)

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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 (2)

  • feat(serde_v8): StringOrBuffer (#12503)
  • feat(serde_v8): allow all values to deserialize to unit type (#12504)

🔧 Bug Fixes & Patches (6)

  • fix(cli/dts): update std links for deprecations (#12496)
  • fix(cli/tests): flaky Deno.watchFs() tests (#12485)
  • fix(core): avoid op_state.borrow_mut() for OpsTracker (#12525)
  • fix(core/bindings): use is_instance_of_error() instead of is_native_error()
  • fix(ext/net): fix TLS bugs and add 'op_tls_handshake' (#12501)
  • fix(ext/websocket): prevent 'closed normally' panic (#12437)
📄 View Raw Release Notes (Original Developer Log)
### 1.15.3 / 2021.10.25 - feat(serde_v8): StringOrBuffer (#12503) - feat(serde_v8): allow all values to deserialize to unit type (#12504) - fix(cli/dts): update std links for deprecations (#12496) - fix(cli/tests): flaky Deno.watchFs() tests (#12485) - fix(core): avoid op_state.borrow_mut() for OpsTracker (#12525) - fix(core/bindings): use is_instance_of_error() instead of is_native_error() (#12479) - fix(ext/net): fix TLS bugs and add 'op_tls_handshake' (#12501) - fix(ext/websocket): prevent 'closed normally' panic (#12437) - fix(lsp): formatting should error on certain additional swc diagnostics (#12491) - fix: declare web types as global (#12497)
← Older Version Deno v1.15.2