Deno v1.45.3 — 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

⚡ Improvements 1 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Deno v1.45.3. Source highlight: Reland "refactor(fetch): reimplement fetch with hyper instead of reqwest"

Visit Deno Official Site ↗ Official Release Source ↗ All Deno Releases 📡 Deno RSS

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.

⚡ Performance & Enhancements (1)

perf(ext/node): optimize fs.exists[Sync] (#24613)

🔧 Bug Fixes & Patches (6)

fix(cli): Create child node_modules for conflicting dependency versions,
fix(cli): Respect implied BYONM from DENO_FUTURE in `deno task` (#24652)
fix(cli): add NAPI support in standalone mode (#24642)
fix(cron): improve error message for invalid cron names (#24644)
fix(docs): fix some deno.land/manual broken urls (#24557)
fix(ext/console): Error Cause Not Inspect-Formatted when printed (#24526)

📄 View Raw Release Notes (Original Developer Log)

### 1.45.3 / 2024.07.22 - Reland "refactor(fetch): reimplement fetch with hyper instead of reqwest" (#24593) - fix(cli): Create child node_modules for conflicting dependency versions, respect aliases in package.json (#24609) - fix(cli): Respect implied BYONM from DENO_FUTURE in `deno task` (#24652) - fix(cli): add NAPI support in standalone mode (#24642) - fix(cron): improve error message for invalid cron names (#24644) - fix(docs): fix some deno.land/manual broken urls (#24557) - fix(ext/console): Error Cause Not Inspect-Formatted when printed (#24526) - fix(ext/node): do not expose `self` global in node (#24637) - fix(ext/node): http request uploads of subarray of buffer should work (#24603) - fix(ext/node): stat.mode on windows (#24434) - fix(fmt): was sometimes putting comments in front of commas in parameter lists (#24650) - fix(init): use bare specifier for `jsr:@std/assert` (#24581) - fix(lsp): hang when caching failed (#24651) - fix(lsp): scope attribution for asset documents (#24663) - fix(lsp): support npm workspaces and fix some resolution issues (#24627) - fix(node): Fix `--allow-scripts` with no `deno.json` (#24533) - fix(node): support `tty.hasColors()` and `tty.getColorDepth()` (#24619) - fix(npm): handle packages with only pre-released 0.0.0 versions (#24563) - fix(publish): surface syntax errors when using --no-check (#24620) - fix(publish): warn about missing license file (#24677) - fix(std/http2): release window capacity back to remote stream (#24576) - fix(types): Conform lib.deno_web.d.ts to lib.dom.d.ts and lib.webworker.d.ts (#24599) - fix(workspace): do not resolve to self for npm pkg depending on matching req (#24591) - fix(workspace): support resolving bare specifiers to npm pkgs within a workspace (#24611) - fix: make vendor cache manifest more deterministic (#24658) - fix: missing `emitWarning` import (#24587) - perf(ext/node): optimize fs.exists[Sync] (#24613)

← Older Version Deno v1.45.2 Newer Version → Deno v1.45.4