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Skip to main contentDeno is joining Cloudflare!Learn more->Dismiss⌘K↑↓Up or down tonavigate↵Enter toselectESCEscape tocloseProductsOpen SourceDenoModern runtime for JavaScript and TypeScriptFreshWeb framework designed for the edgeClaw PatrolOpen-source security firewall for agentsJSRTypeScript-first ESM package registryCommercialDeno DeployEasy serverless hosting for your JavaScript projectsDeno SandboxRun untrusted code in secure Linux VMs. Built for AI agents.SubhostingExtend your platform using Deno Deploy's secure infrastructureDeno for EnterpriseEnterprise support for runtime projectsDocsModulesStandard LibraryJSRNode.js & npmCommunityDiscordGitHubBlueskyXYouTubeMastodonBlog⌘K↑↓Up or down tonavigate↵Enter toselectESCEscape tocloseBlogAnnouncementsProduct UpdateFreshHow ToDeno DeployDeno KVEngineeringJavaScript#FreeJavaScriptDeno in ProductionJSRDocsAstroPartnershipsPerformanceSubhostingOctober 9, 2026Announcements Product UpdateDeno is joining CloudflarePutting ourselves in the best place to build the future of the webJune 25, 2026Product UpdateDeno 2.9`deno desktop` for building native desktop apps from web tech, first-class migration from npm/pnpm/yarn/Bun, CSS module imports, snapshot and parameterized testing, smaller `deno compile --bundle` binaries, and Node.js 26 compatibility.May 22, 2026Product UpdateDeno 2.8`import defer`, six new subcommands (`deno transpile`, `deno pack`, `deno bump-version`, `deno ci`, `deno why`, `deno audit fix`), network debugging in Chrome DevTools, framework-aware `deno compile`, and 3.66x faster cold npm installs.May 21, 2026Product UpdateClaw Patrol: an open-source security firewall for agentsWhy we needed an agent firewall that speaks more than HTTP.April 24, 2026Product Update FreshFresh 2.3: Zero JS by default, View Transitions, and Temporal supportFresh 2.3 ships true zero-JS pages, View Transitions, CSP nonce support, IP filtering, and Temporal API support in islands.February 25, 2026Product UpdateDeno 2.7: Temporal API, Windows ARM, and npm overridesDeno 2.7 stabilizes the Temporal API, adds Windows on ARM builds, npm overrides in package.json, brotli compression streams, self-extracting compiled binaries, deno create, and dozens of Node.js compatibility improvements.February 23, 2026How To Deno DeployBuild a dinosaur runner game with Deno, pt. 6Add structured logging, distributed traces, and game analytics to your Deno game and learn how to use Deno Deploy's built-in logs, traces, and metrics dashboards.February 9, 2026How To Deno DeployBuild a dinosaur runner game with Deno, pt. 5Capture player identities, add a customization modal, and persist those preferences via Oak + PostgreSQL.February 3, 2026Product Update Deno Deploy Deno KVDeno Deploy is Generally AvailableDeno Deploy is now generally available, plus some highlights of new features and tools.February 3, 2026Product UpdateIntroducing Deno SandboxInstant Linux microVMs with defense-in-depth security for running untrusted code.January 26, 2026How To Deno DeployBuild a dinosaur runner game with Deno, pt. 4Building a leaderboard with database integration for our example browser-based game.December 22, 2025How To Deno DeployBuild a dinosaur runner game with Deno, pt. 3Adding obstacles, collision detection and game mechanics to our example browser-based game.December 15, 2025How To Deno DeployBuild a dinosaur runner game with Deno, pt. 2This series of posts will guide you through building a simple game using Deno. This post sets up the game loop, user controls and basic game physics.December 11, 2025Deno Deploy AnnouncementsReact / Next.js Denial-of-Service Vulnerability: Deno Deploy users protectedA high severity Denial-of-Service (DoS) vulnerability has been found in React Server Components and Next.js. Deno has implemented mitigations in Deno Deploy. Immediate upgrades are required for other users.December 10, 2025Product UpdateDeno 2.6: dx is the new npxThis release includes `dx` for running package binaries, more granular permissions, source phase imports, faster type checking with `tsgo`, native source maps, `deno audit`, and much more.December 8, 2025How To Deno DeployBuild a dinosaur runner game with Deno, pt. 1This series of posts will guide you through building a simple game using Deno. Each post corresponds to a stage in the development process, gradually introducing new features and concepts.December 3, 2025Deno Deploy AnnouncementsReact Server Functions / Next.js Vulnerability: Deno Deploy users protectedA critical Remote Code Execution (RCE) vulnerability has been found in React Server Functions and Next.js. Deno has implemented mitigations in Deno Deploy. Immediate upgrades are required for other users.October 21, 2025Product Update Deno Deploy Deno KVMy highlights from the new Deno DeployHighlights from the new version of Deno Deploy.October 16, 2025EngineeringDeno's Other Open Source ProjectsHere’s a roundup of some of our popular open source libraries and how we use them in Deno.September 30, 2025JavaScriptHow Deno protects against npm exploitsRecent supply chain attacks on npm is a reminder that Node and npm grants unfettered access to your systems. Here's how Deno, with an opt-in security model, protects against these vulnerabilities. September 18, 2025#FreeJavaScriptHelp Us Raise $200k to Free JavaScript from OracleOur legal battle over Oracle's claim on the word "JavaScript" is entering the discovery phase. Here's how you can help.September 10, 2025Product UpdateDeno 2.5: Permissions in the config fileSimpler permission management with permission sets, new Deno.test APIs for setting up and tearing down test cases, specifying custom headers in WebSocket connections, runtime APIs in deno bundle, and more.September 2, 2025Product Update FreshFresh 2.0 Graduates to Beta, Adds Vite SupportFresh 2.0 beta introduces optional Vite integration - with hot reloading, faster boot times, seamless React aliasing, and the full Vite plugin ecosystemJuly 2, 2025Product UpdateDeno 2