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Weekly Digest

Top engineering articles, delivered weekly.

About·@Engineeringfyi

How Cloudflare Uses WebAssembly

107 engineering articles about WebAssembly from Cloudflare's engineering team

Home CloudflareWebAssembly

Other Cloudflare Technologies

Cloudflare Workers(395)JavaScript(281)JSON(184)Node.js(157)TypeScript(149)Rust(147)

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Articles

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Advanced

The road to the agentic browser: A Kitesurf update

AWSCloudflare WorkersCSSFortranHTMLJavaScriptJSONKubernetesNode.jsREST APIRustSQLSwiftTypeScriptWebAssembly

11 min read

Includes Code

--

Advanced

Supporting native Rust in Workers with the new Emscripten target for wasm-bindgen

AWSCloudflare WorkersEmscriptenengineeringJavaScriptJSONKubernetesnode.jsNode.jsRustSQLiteSwiftTypeScriptWebAssemblyWebSocket

16 min read

Includes Code

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Intermediate

EmDash 1.0: the stable CMS with a secure plugin registry

AstroAWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsPHPRustSQLSwiftTypeScriptWebAssembly

16 min read

Includes Code

--

Advanced

Introducing The Cold Start: pitch your startup live at Cloudflare Connect

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteVue.jsWebAssembly

9 min read

Includes Code

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Advanced

Cloudflare’s 2026 Annual Founders’ Letter

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

9 min read

Includes Code

--

Advanced

Agents can now set up your website’s security with Turnstile Spin

AWSClaudeCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsRustSwiftT5TypeScriptVWebAssembly

8 min read

Includes Code

--

Advanced

How Cloudflare addressed a cross-tenant data exposure vulnerability in Containers

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSQLiteSwiftTypeScriptViteWebAssembly

11 min read

Includes Code

--

Advanced

Python Workers are now generally available

Cloudflare WorkersDjangoFastAPIFlaskJavaScriptJSONMySQLNode.jsPostgreSQLPythonReactRustTypeScriptWebAssemblyWebSocket

13 min read

Includes Code

--

Advanced

Saving another 100TB of RAM with math (and Rust)

AWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNGINXNode.jsReactRustSQLSwiftTypeScriptWebAssembly

18 min read

Includes Code

--

Advanced

Have it both ways: stay discoverable in search while disallowing AI training

AWSCloudflare WorkersFortranHTMLJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

15 min read

Includes Code

--

Advanced

Give every teammate and agent the right level of access to your Workers

AWSCloudflare WorkersFortranGraphQLJavaScriptJSONKubernetesNode.jsRustSQLSwiftTerraformTypeScriptVWebAssembly

12 min read

Includes Code

--

Advanced

How we rebuilt Cloudflare Workers’ module registry for Node.js compatibility

AWSCloudflare WorkersesbuildFortranJavaScriptJSONKubernetesnode.jsNode.jsReactRustSwiftTypeScriptViteWebAssembly

14 min read

Includes Code

--

Advanced

Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak models

Artificial IntelligenceAWSCloudflare WorkersengineeringFortranGPTJavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptWebAssembly

10 min read

Includes Code

--

Advanced

How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache

AWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

15 min read

Includes Code

--

Advanced

From all-or-nothing to task-based OAuth consent

AWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsOAuthReactRustSQLSwiftTypeScriptWebAssembly

9 min read

Includes Code

--

Advanced

Everything we launched during Agents Week

AstroAWSCloudflare WorkersengineeringFortrangRPCJavaScriptJSONKubernetesNode.jsPythonRustSwiftTypeScriptWebAssembly

9 min read

Includes Code

--

Advanced

Unifying Workers AI and AI Gateway into a single AI control plane

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactREST APIRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

Announcing Cloudflare Ambassadors, Community Engineers, and another $1M in open-source funding

AmbassadorAstroAWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

Introducing Radar Researcher: An AI tool for exploring Internet data in plain language

AWSCloudflare WorkersengineeringFortranHTMLJavaScriptJSONKubernetesNode.jsRustSQLSQLiteSwiftTypeScriptWebAssembly

14 min read

Includes Code

--

Advanced

Give any website a WebMCP interface

AWSCloudflare WorkersFortranHTMLJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

Introducing Kitesurf: The agent-first browser that runs in V8 isolates on Cloudflare Workers

AngularCloudflare WorkersCORSEmscriptenHTMLJavaScriptJSONNode.jsPreactReactRustSQLiteTypeScriptWebAssemblyWebSocket

19 min read

Includes Code

--

Advanced

Building an open Agentic Internet: readable, discoverable, callable, and payable

AWSCloudflare WorkersCSSengineeringFortranHTMLJavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptWebAssembly

13 min read

Includes Code

--

Advanced

Cloudflare AI Search: give your agents a search engine for your data

AstroAWSCloudflare WorkersEmbeddingFortranJavaScriptJSONKubernetesNode.jsReplicateRustSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

--

Advanced

Cloudflare is the only vendor named a Visionary in 2026 SASE and SSE reports

AWSCloudflare WorkersfinanceFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

11 min read

Includes Code

--

Advanced

How we’re rethinking work at Cloudflare with Cloudflare OS

AWSCloudflare WorkersengineeringfinanceFortranGitJavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptWebAssembly

18 min read

Includes Code

--

Advanced

Catching rogue AI behavior with identity-aware analytics

AWSClaudeCloudflare WorkersCopilotFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

13 min read

Includes Code

--

Advanced

Cloudflare OS: an open platform for agents, apps, and work

AWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsOAuthReactRustSQLiteSwiftTypeScriptWebAssembly

15 min read

Includes Code

--

Advanced

Introducing: Cloudflare Agents

AWSCloudflare WorkersFortranGenerative AIJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

How Cloudflare enforces engineering standards using AI

API GatewayAstroAWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptWebAssembly

12 min read

Includes Code

--

Advanced

Announcing Cloudflare Wallets: the programmable wallet for the agentic Internet

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

Your agent needs a computer, not a container — introducing @cloudflare/computer

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSQLiteSwiftTypeScriptViteWebAssembly

11 min read

Includes Code

--

Advanced

Workers RPC now works across Python and JavaScript

AWSCloudflare WorkersCSSFortranJavaScriptJSONKubernetesNode.jsPythonReactRustSQLSwiftTypeScriptWebAssembly

11 min read

Includes Code

--

Advanced

Smaller, faster, safer: running Kimi and GLM at scale

AWSChiCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptVWebAssembly

9 min read

Includes Code

--

Advanced

Welcome to Agents Week

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

6 min read

Includes Code

--

Advanced

An API for MoQ: provision your own isolated relays

AWSCDNCloudflare WorkersFortranHTTP/3JavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptWebAssemblyWebRTC

11 min read

Includes Code

--

Advanced

Introducing Precursor: detecting agentic behavior with continuous client-side signals

AWSCloudflare WorkersFortranHTMLJavaScriptKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

Content Independence Day, one year on: building the business model for the agentic Internet

AWSCloudflare WorkersfinanceFortranJavaScriptKubernetesNode.jsReactRustSpringSQLSwiftTypeScriptVWebAssembly

15 min read

Includes Code

--

Advanced

Announcing the Monetization Gateway: charge for any resource behind Cloudflare via x402

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsReactRocketRustSQLSwiftTerraformTypeScriptViteWebAssembly

12 min read

Includes Code

--

Advanced

Your site, your rules: new AI traffic options for all customers

AWSChatGPTClaudeCloudflare WorkersFortranGeminiJavaScriptKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

17 min read

Includes Code

--

Advanced

Making AI search smarter

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

--

Advanced

Unmasking the crawls with Attribution Business Insights

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

--

Advanced

How we built saga rollbacks for Cloudflare Workflows

AWSCap'n ProtoCloudflare WorkersFortranJavaScriptKubernetesNode.jsPythonReactRustSQLSwiftTypeScriptViteWebAssembly

16 min read

Includes Code

--

Advanced

Unlocking the Cloudflare app ecosystem with OAuth for all

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsOAuthPlanetScaleReactRustSQLSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

--

Advanced

How we found a bug in the hyper HTTP library

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

19 min read

Includes Code

--

Advanced

Temporary Cloudflare Accounts for AI agents

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsOAuthReactRocketRustSQLSwiftTypeScriptViteWebAssembly

8 min read

Includes Code

--

Advanced

Bringing more agent harnesses and frameworks to Cloudflare, starting with Flue

AstroAWSClaudeCloudflare WorkersFortranGitHub ActionsJavaScriptKubernetesNode.jsReactRustSQLiteSwiftTypeScriptWebAssembly

14 min read

Includes Code

--

Advanced

Growing the Cloudflare AI team with talent from Ensemble AI

AWSCloudflare WorkersFortranJavaScriptKubernetesMachine LearningNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

7 min read

Includes Code

--

Advanced

Scaling Security Insights: how we achieved a 10x increase in global scanning capacity

ApacheApache KafkaAWSCloudflare WorkersengineeringFortranJavaScriptKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

14 min read

Includes Code

--

Advanced

Defend against frontier cyber models: Cloudflare's architecture as customer zero

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

14 min read

Includes Code

--

Advanced

How we reduced core unit boot time from hours to minutes

AWSCloudflare WorkersFortranHTTPSJavaScriptKubernetesLessNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

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