Deno Release Notes & Changelog

2.9.7 / 2026.09.16

• fix(audit): honor configured CA stores (#36728)
• fix(cache): make HTTP authority paths unambiguous (#36356)
• fix(cli): accept all valid sys permission descriptors (#36753)
• fix(cli): don't duplicate passthrough args for deno deploy/sandbox (#36722)
• fix(cli): generate valid bash completions (#36736)
• fix(cli): preserve double dash before the entrypoint (#36835)
• fix(cli): restore optional-value semantics for deno bundle --sourcemap (#36723)
• fix(completions): keep the dash on short flags in zsh completions (#36720)

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2.9.6 / 2026.08.27

• feat(compressible): add support for 'text/x-component' content type (#36450)
• feat(desktop): clipboard api (#35750)
• feat(desktop): support checked, icon, and tooltip on menu items (#36649)
• fix(bundle): isolate esbuild downloads from workspace registries (#36467)
• fix(cache): combine duplicate headers for Vary matching (#36476)
• fix(cli_parser): remove orphaned sync-types parser
• fix(core): cap adaptive buffer initial allocations (#36432)
• fix(core): make Unix pipe fd ownership explicit (#36353)
• fix(core): make user timer waker state thread-safe (#36495)

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2.9.5 / 2026.08.06

• feat(add): --unscoped flag to alias packages by their unscoped name (#36319)
• feat(task): add --members flag to run tasks in workspace members only (#35748)
• feat: add Blob/Body textStream() (#35616)
• feat: add experimental QuickJS backend (#36194)
• fix(bundle): avoid esbuild protocol deadlock (#36427)
• fix(bundle): respect runtime file permissions (#36107)
• fix(cjs): use loader sources for recursive analysis (#36111)
• fix(cli): escape control characters in external metadata (#36198)
• fix(core): don't resolve internal module imports with the user's import map (#36303)

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2.9.4 / 2026.07.23

• feat(desktop): enable --hmr for React Router (#35900)
• feat(ext/node): add a byteLength/length parameter to Buffer.indexOf/lastIndexOf/includes (#35872)
• feat(ext/node): support raw chacha20 cipher in crypto.createCipheriv (#36016)
• feat: upgrade V8 to 150.2.0 (#36098)
• fix(add): support --minimum-dependency-age flag in deno add/remove (#36099)
• fix(cache): store Web Cache under origin data (#36145)
• fix(canvas): require FFI permission for native window handles (#36080)
• fix(clean): reject symlinked node_modules cleanup roots (#36190)

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2.9.3 / 2026.07.15

• feat(cli): deno add --no-save and --save-optional (#36039)
• feat(cli): add --min-dep-age alias (#35914)
• feat(compile): support aarch64-pc-windows-msvc target (#36004)
• feat(ext/fetch): add http2MaxHeaderListSize option to Deno.createHttpClient (#33194)
• fix(bundle): preserve raw imports in watch mode (#36040)
• fix(canvas): don't hold SurfaceData mut borrow over window resize (#35993)
• fix(config): reject out-of-range minimum dependency ages (#36051)
• fix(core): block user ext imports after resolution (#36012)
• fix(core): deactivate idle TTY write handles (#35886)

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2.9.2 / 2026.07.08

• feat(desktop): autodetect React Router framework (#35557)
• feat(desktop): enable --hmr for Vite and Nuxt (#35851)
• feat(desktop): run HMR by framework dev server (#35722)
• feat(desktop): window opacity and transparency APIs (#35646)
• feat(desktop): wire --exclude-unused-npm through to compile (#35740)
• feat(ext/node): implement v8.setHeapSnapshotNearHeapLimit (#35694)
• feat(ext/telemetry): honor OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT (#35068)
• feat(inspector): start inspector server on SIGUSR1 (#35738)
• feat(node): implement getTestContext() in node:test (#35678)

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2.9.1 / 2026.07.01

• feat(check): add --desktop flag to type-check for deno desktop (#35644)
• feat(desktop): register deep-link URL schemes at bundle time (#35466)
• feat: update laufey to 0.5.0 (#35663)
• fix(bundle): emit CSSStyleSheet for CSS raw imports (#35598)
• fix(cache): skip checksums for cached 404 entries (#35526)
• fix(config): don't strip workspace-member includes from deploy config (#34788)
• fix(core): apply deferred fast-call op upgrade to the captured bootstrap clone (#35630)
• fix(core): prevent shared-buffer timer expiry race from losing timers (#35312)

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2.9.0 / 2026.06.25

Read more: http://deno.com/blog/v2.9

• feat(bundle): add --declaration flag to generate rolled-up .d.ts files (#33838)
• feat(cli): add deno link and deno unlink subcommands (#34359)
• feat(cli): add deno watch subcommand (#35301)
• feat(cli): add deno list subcommand to list declared dependencies (#34972)
• feat(cli): auto-migrate pnpm-workspace.yaml on resolution failure (#34993)
• feat(cli): provide a node on PATH when Node.js is not installed (#34969)
• feat(compile): persist Web Storage/KV in a per-app data directory (#34618)
• feat(coverage): add configurable coverage thresholds (#35056)

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2.8.3 / 2026.06.11

• feat(cli): suggest DENO_TLS_CA_STORE on untrusted TLS certificate (#34756)
• feat(cli): support --env-file in dependency and registry subcommands (#34843)
• feat(compile): support watch mode (#34860)
• feat(config): support globs in links (#34849)
• feat(ext/crypto): implement SubtleCrypto.supports() static method (#34903)
• feat(ext/crypto): support ML-DSA JWK import/export (#34914)
• feat(ext/fetch): support priority in RequestInit (#34716)
• feat(ext/node): auto-instrument node:http2 with OpenTelemetry (#34510)
• feat(ext/node): notify control socket when node:http server starts serving (#34949)

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