⚠️ Breaking Change
Impact Score: 7/10
Deno v1.41.0 — 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.
Breaking-change evidence from the source
- BREAKING(net/unstable): remove `Deno.DatagramConn.rid` (#22475)
- BREAKING(unstable): remove `Deno.HttpClient.rid` (#22075)
- BREAKING: add `Deno.CreateHttpClientOptions.{cert,key}` (#22280)
⚡ Executive Summary (TL;DR)
Deno v1.41.0. Source highlight: BREAKING(net/unstable): remove `Deno.DatagramConn.rid` (#22475)
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.
⚠️ Breaking Changes & Deprecations (3)
- - BREAKING(net/unstable): remove `Deno.DatagramConn.rid` (#22475)
- - BREAKING(unstable): remove `Deno.HttpClient.rid` (#22075)
- - BREAKING: add `Deno.CreateHttpClientOptions.{cert,key}` (#22280)
✨ New Features & Capabilities (6)
- BREAKING: add `Deno.CreateHttpClientOptions.{cert,key}` (#22280)
- feat(fs): `Deno.FsFile.{isTerminal,setRaw}()` (#22234)
- feat(lsp): auto-import completions for jsr specifiers (#22462)
- feat(publish): type check on publish (#22506)
- feat(unstable): single checksum per JSR package in the lockfile (#22421)
- feat(unstable/lint): no-slow-types for JSR packages (#22430)
⚡ Performance & Enhancements (2)
- perf(jsr): fast check cache and lazy fast check graph (#22485)
- perf: strip `denort` on unix (#22426)
🔧 Bug Fixes & Patches (6)
- fix(compile): respect compiler options for emit (#22521)
- fix(ext/fs): make errors in tempfile creation clearer (#22498)
- fix(ext/node): pass alpnProtocols to Deno.startTls (#22512)
- fix(ext/node): permission prompt for missing `process.env` permissions
- fix(fmt): remove debug output when formatting dynamic imports (#22433)
- fix(lsp): add schema for JSR related config options (#22497)
📄 View Raw Release Notes (Original Developer Log)
- BREAKING(net/unstable): remove `Deno.DatagramConn.rid` (#22475)
- BREAKING(unstable): remove `Deno.HttpClient.rid` (#22075)
- BREAKING: add `Deno.CreateHttpClientOptions.{cert,key}` (#22280)
- feat(fs): `Deno.FsFile.{isTerminal,setRaw}()` (#22234)
- feat(lsp): auto-import completions for jsr specifiers (#22462)
- feat(publish): type check on publish (#22506)
- feat(unstable): single checksum per JSR package in the lockfile (#22421)
- feat(unstable/lint): no-slow-types for JSR packages (#22430)
- feat: `Deno.ConnectTlsOptions.{cert,key}` (#22274)
- fix(compile): respect compiler options for emit (#22521)
- fix(ext/fs): make errors in tempfile creation clearer (#22498)
- fix(ext/node): pass alpnProtocols to Deno.startTls (#22512)
- fix(ext/node): permission prompt for missing `process.env` permissions
(#22487)
- fix(fmt): remove debug output when formatting dynamic imports (#22433)
- fix(lsp): add schema for JSR related config options (#22497)
- fix(node/test): disable Deno test sanitizers (#22480)
- fix(publish): better no-slow-types type discovery (#22517)
- fix(publish): ignore .DS_Store while publishing (#22478)
- fix(publish): print files that will be published (#22495)
- fix: util.parseArgs() missing node:process import (#22405)
- fix: write lockfile in `deno info` (#22272)
- perf(jsr): fast check cache and lazy fast check graph (#22485)
- perf: linter lsp memory leak fix and deno_graph executor (#22519)
- perf: strip `denort` on unix (#22426)