Deno v2.2.3 — 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 1 ⚡ Improvements 3 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v2.2.3. Source highlight: feat(unstable): lint plugins support field selectors (#28324)

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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 (1)

feat(unstable): lint plugins support field selectors (#28324)

⚡ Performance & Enhancements (3)

perf(http): instantiate generic functions in `deno_http`, increase opt-level
perf(lsp): don't set resolver npm reqs if unchanged (#28302)
perf(lsp): register semantic tokens provider upon opening enabled doc (#28384)

🔧 Bug Fixes & Patches (6)

fix(add): better help text for --dev arg (#28304)
fix(check/npm): move not found errors inside npm packages to tsc diagnostics
fix(ext/node): SQLite reset guards to prevent database locks (#28298)
fix(ext/node): node compatibility issue missing fd in createServer callback
fix(fmt/md): handle callout followed by non-text (#28333)
fix(lint): run with --no-prompt (#28305)

📄 View Raw Release Notes (Original Developer Log)

### 2.2.3 / 2025.03.05 - feat(unstable): lint plugins support field selectors (#28324) - fix(add): better help text for --dev arg (#28304) - fix(check/npm): move not found errors inside npm packages to tsc diagnostics (#28337) - fix(ext/node): SQLite reset guards to prevent database locks (#28298) - fix(ext/node): node compatibility issue missing fd in createServer callback socket object (#27789) - fix(fmt/md): handle callout followed by non-text (#28333) - fix(lint): run with --no-prompt (#28305) - fix(lsp): include prefix and suffix for rename edits (#28327) - fix(lsp): limit languages in semantic tokens provider (#28310) - fix(node): require esm should prefer `module.exports` export (#28376) - fix(otel): don't throw when calling setActiveSpan at root (#28323) - fix(unstable): Missing `PrivateIdentifier` type for `PropertyDefinition` key (#28358) - fix(unstable): lint plugin `ObjectPattern` inconsistencies (#28359) - fix(unstable): lint plugin child combinator not working with groups (#28360) - fix(unstable): lint plugin fix `:has()`, `:is/where/matches` and `:not()` selectors (#28348) - fix(unstable): lint plugin regex attribute selector not working (#28340) - fix(unstable): lint plugin swapped exported and source for ExportAllDeclaration (#28357) - fix(unstable/lint): remove duplicated `Fix` vs `FixData` interface (#28344) - fix: add "module.exports" export to ESM CJS wrapper module (#28373) - fix: deno_ast 0.46 (#28331) - fix: respect lockfile for multiple available jsr versions (#28375) - perf(http): instantiate generic functions in `deno_http`, increase opt-level for some more hyper deps (#28317) - perf(lsp): don't set resolver npm reqs if unchanged (#28302) - perf(lsp): register semantic tokens provider upon opening enabled doc (#28384)

← Older Version Deno v2.2.2 Newer Version → Deno v2.2.4