โ ๏ธ Breaking Change
Impact Score: 7/10
Deno v1.14.0 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.
Breaking-change evidence from the source
- BREAKING(unstable): Fix casing in FfiPermissionDescriptor (#11659)
- BREAKING(unstable): Remove Deno.Signals enum, Deno.signals. (#11909)
โก Executive Summary (TL;DR)
Deno v1.14.0. Source highlight: BREAKING(unstable): Fix casing in FfiPermissionDescriptor (#11659)
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โ ๏ธ Breaking Changes & Deprecations (2)
- - BREAKING(unstable): Fix casing in FfiPermissionDescriptor (#11659)
- - BREAKING(unstable): Remove Deno.Signals enum, Deno.signals. (#11909)
โจ New Features & Capabilities (6)
- feat(cli): Support Basic authentication in DENO_AUTH_TOKENS (#11910)
- feat(cli): Update to TypeScript 4.4 (#11678)
- feat(cli): add --ignore flag to test command (#11712)
- feat(cli): close test worker once all tests complete (#11727)
- feat(core): facilitate op-disabling middleware (#11858)
- feat(ext/crypto): AES key generation (#11869)
โก Performance & Enhancements (1)
- perf(ext/http): optimize auto cleanup of request resource (#11978)
๐ง Bug Fixes & Patches (6)
- BREAKING(unstable): Fix casing in FfiPermissionDescriptor (#11659)
- fix(cli): better handling of source maps (#11954)
- fix(cli): dispatch unload event on watch drop (#11696)
- fix(cli): retain path based test mode inference (#11878)
- fix(cli): use updated names in deno info help text (#11989)
- fix(doc): fix rustdoc bare_urls warning (#11921)
๐ View Raw Release Notes (Original Developer Log)
### 1.14.0 / 2021.09.14
- BREAKING(unstable): Fix casing in FfiPermissionDescriptor (#11659)
- BREAKING(unstable): Remove Deno.Signals enum, Deno.signals. (#11909)
- feat(cli): Support Basic authentication in DENO_AUTH_TOKENS (#11910)
- feat(cli): Update to TypeScript 4.4 (#11678)
- feat(cli): add --ignore flag to test command (#11712)
- feat(cli): close test worker once all tests complete (#11727)
- feat(core): facilitate op-disabling middleware (#11858)
- feat(ext/crypto): AES key generation (#11869)
- feat(ext/crypto): export RSA keys as pkcs#8 (#11880)
- feat(ext/crypto): generate ECDH keys (#11870)
- feat(ext/crypto): implement HKDF operations (#11865)
- feat(ext/crypto): implement encrypt, decrypt & generateKey for RSA-OAEP (#11654)
- feat(ext/crypto): implement importKey and deriveBits for PBKDF2 (#11642)
- feat(ext/crypto): import RSA pkcs#8 keys (#11891)
- feat(ext/crypto): support JWK export for HMAC (#11864)
- feat(ext/crypto): support JWK import for HMAC (#11716)
- feat(ext/crypto): verify ECDSA signatures (#11739)
- feat(extensions/console): right align numeric columns in table (#11748)
- feat(fetch): mTLS client certificates for fetch() (#11721)
- feat(fmt): add basic JS doc formatting (#11902)
- feat(fmt): add support for configuration file (#11944)
- feat(lint): add support for config file and CLI flags for rules (#11776)
- feat(lsp): ignore specific lint for entire file (#12023)
- feat(unstable): Add file locking APIs (#11746)
- feat(unstable): Support file URLs in Deno.dlopen() (#11658)
- feat(unstable): allow specifing gid and uid for subprocess (#11586)
- feat(workers): Make the `Deno` namespace configurable and unfrozen (#11888)
- feat: ArrayBuffer in structured clone transfer (#11840)
- feat: add URLPattern API (#11941)
- feat: add option flags to 'deno fmt' (#12060)
- feat: stabilise Deno.upgradeWebSocket (#12024)
- fix(cli): better handling of source maps (#11954)
- fix(cli): dispatch unload event on watch drop (#11696)
- fix(cli): retain path based test mode inference (#11878)
- fix(cli): use updated names in deno info help text (#11989)
- fix(doc): fix rustdoc bare_urls warning (#11921)
- fix(ext/crypto): KeyAlgorithm typings for supported algorithms (#11738)
- fix(ext/crypto): add HkdfParams and Pkdf2Params types (#11991)
- fix(ext/fetch): Properly cancel upload stream when aborting (#11966)
- fix(ext/http): resource leak if request body is not consumed (#11955)
- fix(ext/http): websocket upgrade header check (#11830)
- fix(ext/web): Format terminal DOMExceptions properly (#11834)
- fix(ext/web): Preserve stack traces for DOMExceptions (#11959)
- fix(lsp): correctly parse registry patterns (#12063)
- fix(lsp): support data urls in `deno.importMap` option (#11397)
- fix(runtime): return error instead of panicking for windows signals (#11940)
- fix(test): propagate join errors in deno test (#11953)
- fix(typings): fix property name in DiagnosticMessageChain interface (#11821)
- fix(workers): don't drop messages from workers that have already been closed (#11913)
- fix: FileReader onevent attributes don't conform to spec (#11908)
- fix: FileReader.readAsText compat (#11814)
- fix: Query string percent-encoded in import map (#11976)
- fix: a `Request` whose URL is a revoked blob URL should still fetch (#11947)
- fix: bring back Deno.Signal to unstable props (#11945)
- fix: change assertion in httpServerIncompleteMessage test (#12052)
- fix: exit process on panic in a tokio task (#11942)
- fix: move unstable declarations to deno.unstable (#11876)
- fix: permission prompt stuffing (#11931)
- fix: permission prompt stuffing on Windows (#11969)
- fix: remove windows-only panic when calling `Deno.kill` (#11948)
- fix: worker_message_before_close was flaky (#12019)
- perf(ext/http): optimize auto cleanup of request resource (#11978)
Release notes for std version 0.107.0:
https://github.com/denoland/deno_std/releases/tag/0.107.0