Cloudflare Developers

🌎 Region: Earth: London with Cloudflare & Prisma · Luma Modern apps don’t live in one place - they live on Region: Earth. Co-hosted by Cloudflare and Prisma, this event brings together developers, builders, and tech…

🚨 London devs! 🌍 Region: Earth is coming to London! We're teaming up with @prisma.io for an epic evening of ⚡️edge tech, 🛠️weird databases, 🍕pizza, and good vibes.

📍 County Hall, London
📅 May 1st | 🕠 5:30PM
🎟️ Free, but RSVP required: lu.ma/qkutuxc9

Connect with top builders and win prizes! 🚀

Making Super Slurper 5x faster with Workers, Durable Objects, and Queues We re-architected Super Slurper from the ground up using our Developer Platform — leveraging Cloudflare Workers, Durable Objects, and Queues — and improved transfer speeds by up to 5x.

Super Slurper just got 5x faster! 🚀
(Try saying that three times fast.)

Migrate data from S3, Google Cloud Storage, or any S3-compatible storage straight to Cloudflare R2 -- now in 1/5 the time.

Link in 🧵 showing how we built it using Workers, Durable Objects, and Queues.

R2 Data Catalog: Managed Apache Iceberg tables with zero egress fees R2 Data Catalog is now in public beta: a managed Apache Iceberg data catalog built directly into your R2 bucket.

❄️🥶 Cool story: Your R2 bucket is now a data warehouse! You can now enable an Iceberg REST catalog on any bucket to:
1) Manage Iceberg tables and metadata with ease
2) Work seamlessly with existing tools like PyIceberg, Snowflake, and Spark
3) Query data from any cloud or region with zero egress fees

Sequential consistency without borders: How D1 implements global read replication D1, Cloudflare’s managed SQL database, announces read replication beta. In this post, we do a technical deep dive of the read replication implementation and how your queries can remain consistent acro...

Just shipped: D1 read replication is now live!

Run multiple, geographically distributed replicas without paying a multiplier on storage or compute, and use the new Sessions API to manage your consistency mode ⚡️

Read more on the blog:

Screenshot of the DevWeek RAG app

I thought you might want to search the @cloudflare-dev.bsky.social Dev Week blogs.

So I vibe coded this little demo that uses AutoRAG 🤖

Give it a try: harshil.dev/demo/devweek...

Introducing Cloudflare Secrets Store (Beta): secure your secrets, simplify your workflow Securely store, manage and deploy account level secrets to Cloudflare Workers through Cloudflare Secrets Store, available in beta – with role-based access control, audit logging and Wrangler support.

If you have a secret you want to use across multiple Workers, you can now use the Cloudflare Secrets Store to do so.

Make your apps truly interactive with Cloudflare Realtime and RealtimeKit Announcing Cloudflare Realtime and RealtimeKit, a complete toolkit for shipping real-time audio and video apps in days with SDKs for Kotlin, React Native, Swift, JavaScript, and Flutter.

Say goodbye to stitching together multiple point solutions and WebRTC headaches when building realtime applications.

RealtimeKit SDK is a complete cross-platfrom toolkit to handle all the low-level complexities of building immersive video and audio experiences.

The new Observability tab shows you what's happening across all your Workers:
📈 View metrics & logs from a single dashboard
🔎 Use the Query Builder to explore your logs, extract metrics, and create graphical visualizations for faster future investigations

blog.cloudflare.com/introducing-...

Skip the setup: deploy a Workers application in seconds You can now add a Deploy to Cloudflare button to your repository’s README when building a Workers application, making it simple for other developers to set up and deploy your project!

Deploying Worker's applications with a click of a button has never been so simple.

Local development support for Email Workers

Local development support for Email Workers is out. You can now test the behavior of an Email Worker script, receiving, replying and sending emails in your local environment using wrangler dev.

developers.cloudflare.com/changelog/20...

“Just use Vite”… with the Workers runtime The Cloudflare Vite plugin integrates Vite, one of the most popular build tools for web development, with the Workers runtime. Today, we are announcing the 1.0 release and official support for React R...

@cloudflare-dev.bsky.social 🧡 @vite.dev

Cloudflare Vite Plugin 1.0 is out now—with official support for Vite 6, React Router v7, and the full Developer Platform.

Now you can run Vite’s dev server locally, while executing your code directly in the Workers runtime!

Build global MySQL apps using Cloudflare Workers and Hyperdrive MySQL comes to Cloudflare Workers and Hyperdrive: your favorite MySQL drivers and ORMs are now compatible with the Workers runtime, and Hyperdrive allows you to connect to your regional database from ...

Hyperdrive now supports MySQL—directly connect Cloudflare Workers to your MySQL databases, no matter where they're hosted.

Pools across the sea: how Hyperdrive speeds up access to databases and why we’re making it free Hyperdrive, Cloudflare's global connection pooler, relies on some key innovations to make your database connections work. We go deep into the details of what that looks like, in celebration of announc...

Hyperdrive is now free on the Workers Free Plan 🚀

Connect Workers apps directly to existing SQL databases—no refactors, just faster queries (up to 90% lower latency).

Deploy your Next.js app to Cloudflare Workers with the Cloudflare adapter for OpenNext With the 1.0-beta release of the Cloudflare adapter for OpenNext, you can host your Next.js 14 and 15 applications on Cloudflare Workers.

Deploy your Next.js application to Cloudflare with the OpenNext Cloudflare adapter now in v1.0-beta featuring:
✅ Caching
✅ Partial prerendering
✅ Middleware
✅ App and Pages routers
✅ Image Optimization

Devweek day 1: @cloudflare-dev.bsky.social shipped AutoRAG (a fully managed RAG pipeline) and Workflows today 🔥

Combining both, here's an example to automatically index any website into a RAG flow as users visit each page. It's less than 40 lines of JS! 🤯

Congrats @chatsidhartha.bsky.social - a wonderful achievement. I love using Workflows.

Cloudflare Agents Build agents on Cloudflare—the platform designed for durable execution, serverless inference, and pricing that scales up (and down).

agents.cloudflare.com

Playwright for Browser Rendering now available

Playwright for Browser Rendering now available.

Browser Rendering REST API is Generally Available, with new endpoints and a free tier

Browser Rendering REST API is Generally Available, with new endpoints and a free tier.

Cloudflare Workflows is now GA: production-ready durable execution Workflows — a durable execution engine built directly on top of Workers — is now Generally Available. We’ve landed new human-in-the-loop capabilities, more scale, and more metrics: just what you need ...

Cloudflare Workflows is now GA!

Durable execution for multi-step apps—with automatic retries and state persistence for tasks running minutes, hours, or days.

Introducing AutoRAG: fully managed Retrieval-Augmented Generation on Cloudflare AutoRAG is here: fully managed Retrieval-Augmented Generation (RAG) pipelines powered by Cloudflare's global network and powerful developer ecosystem. Simplify how you build and scale RAG pipelines to...

AutoRAG is now in open beta—fully-managed RAG pipelines so you can focus on building, not managing vector databases.

🗄️ Upload docs—we handle your embeddings and vector DB
🤖 Build AI chatbots with context-aware answers using API
👀 Monitor and analyze queries via AI Gateway

Meta Llama 4 now available on Workers AI Llama 4 Scout 17B Instruct is now available on Workers AI: use this multimodal, Mixture of Experts AI model on Cloudflare's serverless AI platform to build next-gen AI applications. Build products tha...

Want access to Llama 4 Scout? It's now on Workers AI!

- Mixture-of-Experts architecture for fast inference
- Natively multimodal (image and text understanding)
- Excels at multi-document analysis, codebase reasoning, and personalized tasks

developers.cloudflare.com/workers-ai/m...

Developer Week is here. We're pushing updates to prod daily—new products, features, and a few surprises. Any predictions?

Build and deploy Remote Model Context Protocol (MCP) servers to Cloudflare You can now build and deploy remote MCP servers to Cloudflare, and we handle the hard parts of building remote MCP servers for you. Unlike local MCP servers you may have previously used, remote MCP se...

You can build and deploy remote MCP servers to Cloudflare, and we handle the hard parts for you.

Scaling to millions meetup · Luma For the first time in Cloudflare Engineering meetups, we will have another company sharing their great experience with us. Cloudflare and Supabase engineers…

One more. If you're around Lisbon and are interested in how we scale our systems to millions of customers, join us for a joint engineering meetup with Cloudflare and Supabase.

AI Gateway launches Realtime WebSockets API

We just launched Realtime WebSockets API with AI Gateway!

Build natural, real-time conversational AI experiences for voice agents with full observability.

It works with:
-OpenAI Realtime API
-Google Gemini Live API
-Cartesia
-ElevenLabs

Check out developers.cloudflare.com/changelog/20...

npm i agents

Saved you a few keystrokes:

We've just shipped a bunch of updates to the Agents SDK — now just `agents` on npm! — including a new callable() decorator, built-in CORS handling, a new experimental scheduling prompt, and a ton of bug fixes.

developers.cloudflare.com/changelog/20...

World Wild Web Hack Night Paris · Luma Join Cloudflare and Fiberplane for an evening of fun, learning, and community. Together we will explore HONC (https://honc.dev/), an opinionated stack…

World Wide Web Hack Night in Paris 👩‍💻

Join @cloudflare.social and Fiberplane for an evening of fun, learning, and community. We’ll explore @honcstack.bsky.social, an opinionated stack consisting of Hono, ORM (Drizzle), (Name) a database, and Cloudflare Workers.

lu.ma/17fo30fs

wrangler 3 vs wrangler 4 dependency graphs

Wrangler 4 has almost half as many dependencies as wrangler 3!

Thank you to @penalosa.link and everyone else at @cloudflare-dev.bsky.social who worked on this!

Last week was a pretty awesome

The @cloudflare-dev.bsky.social team was at JSWorld, and got the chance to meet and engage with a lot of awesome people. The event was on point, the talks were on point, heck I was on point 😎

Loved connecting with my team and exploring Amsterdam. Recommend 💯