Deno v0.22.0stable Released Oct 28, 2019
Impact Score: 5/10

Deno v0.22.0 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.

Compatibility not verified โ€” check source notes
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

Deno v0.22.0. Source highlight: feat: Deno.listenTLS (#3152)

Who Does This Impact? (Role-Based Analysis)

๐Ÿ’ป Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

๐Ÿ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

โš™๏ธ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

โœจ New Features & Capabilities (6)

  • feat: Deno.listenTLS (#3152)
  • feat: Publish source tarballs for releases (#3203)
  • feat: Support named imports/exports for subset of properties in JSON modules
  • feat: Use web standard Permissions API (#3200)
  • feat: Remove --no-prompt flag, fail on missing permissions (#3183)
  • feat: top-level-for-await (#3212)

โšก Performance & Enhancements (1)

  • perf: faster TextDecoder (#3180, #3204)

๐Ÿ”ง Bug Fixes & Patches (3)

  • fix: Cherry-pick depot_tools 6a1d778 to fix macOS Cataliona issues (#3175)
  • fix: Remove runtime panics in op dispatch (#3176, #3202, #3131)
  • fix: BufReader.readString to actually return Deno.EOF at end (#3191)
๐Ÿ“„ View Raw Release Notes (Original Developer Log)
### Changes - feat: Deno.listenTLS (#3152) - feat: Publish source tarballs for releases (#3203) - feat: Support named imports/exports for subset of properties in JSON modules (#3210) - feat: Use web standard Permissions API (#3200) - feat: Remove --no-prompt flag, fail on missing permissions (#3183) - feat: top-level-for-await (#3212) - feat: Add ResourceTable in core (#3150) - feat: Re-enable standard stream support for fetch bodies (#3192) - feat: Add CustomInspect for Headers (#3130) - fix: Cherry-pick depot_tools 6a1d778 to fix macOS Cataliona issues (#3175) - fix: Remove runtime panics in op dispatch (#3176, #3202, #3131) - fix: BufReader.readString to actually return Deno.EOF at end (#3191) - perf: faster TextDecoder (#3180, #3204) - chore: Reenable std tests that were disabled during merge (#3159) - chore: Remove old website (#3194, #3181) - chore: Use windows-2019 image in Github Actions (#3198) - chore: use v0.21.0 for subcommands (#3168) - upgrade: V8 to 7.9.317.12 (#3208) ### Install / Upgrade **With Shell:** ```sh curl -fsSL https://deno.land/x/install/install.sh | sh -s v0.22.0 ``` **With PowerShell:** ```powershell iwr https://deno.land/x/install/install.ps1 -useb -outf install.ps1; .\install.ps1 v0.22.0 ```