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Software EngineeringCloudflare Blog

Iran's Internet is partially restored, Cloudflare Radar data shows

Cloudflare Radar data confirms early indications of a partial Internet restoration in Iran, nearly three months after the shutdown began. Traffic spikes and DNS queries have risen, but network activity is currently just 40% of pre-shutdown levels.

Software EngineeringFastify GitHub

fastify/fastify

Fast and low overhead web framework, for Node.js

Software EngineeringCloudflare Developer Platform Changelog

Cloudflare Images - Transformation flows in Images

Flows are automated rules that pair conditions (such as file extension, URL path, or query parameter) with parameters. Set up a flow to automatically apply image optimization to matching requests on your zone without writing code or changing URLs. There are two modes for transformation flows: Provider flows — Migrat...

Software EngineeringCloudflare Developer Platform Changelog

Flagship - Flagship now in public beta

Flagship is now in public beta. Evaluate feature flags directly from Cloudflare Workers with no outbound HTTP calls, using globally distributed flag configuration backed by Workers KV and Durable Objects. Flagship supports typed flag values, targeting rules, percentage rollouts, audit history, and OpenFeature-compat...

Software EngineeringMeta Engineering

Reel Friends: Building Social Discovery that Scales to Billions

On its face the new Friend Bubbles feature looks simple enough. It highlights Reels your friends have watched and reacted to. But sometimes the features that seem the most straightforward require the deepest engineering work. On this episode of the Meta Tech Podcast, Pascal Hartig chats with Subasree and Joseph, two...

Software EngineeringMeta Engineering

Migrating Data Ingestion Systems at Meta Scale

Meta’s data ingestion system, which our engineering teams leverage for up-to-date snapshots of the social graph, has recently undergone a significant revamp to enhance its reliability at scale. Moving from our legacy system to our new architecture required a large-scale migration of our entire data ingestion system....

Software EngineeringFastify GitHub

v5.8.5

⚠️ Security Release This fixes CVE CVE-2026-33806 https://github.com/fastify/fastify/security/advisories/GHSA-247c-9743-5963. What's Changed chore: Fix port parsing by @jsumners in https://github.com/fastify/fastify/pull/6603 chore: upgrade to typescript v6.0.2 by @Tony133 in https://github.com/fastify/fastify/pull/...

Software EngineeringCloudflare Developer Platform Changelog

Workers VPC - Reach Cloudflare WAN destinations from Workers VPC

You can now use VPC Network bindings with networkid: "cf1:network" to reach your full private network from Workers, including: Cloudflare Mesh nodes and client devices Subnet routes and hostname routes announced through Cloudflare Tunnel or Cloudflare Mesh Destinations connected through Cloudflare WAN on-ramps — GRE...

Software EngineeringCloudflare Developer Platform Changelog

AI Gateway - Call any AI model through AI Gateway's new REST API

AI Gateway now uses the AI REST API on api.cloudflare.com . You can call any model — whether from OpenAI, Anthropic, Google, or hosted on Workers AI — through one unified API, using the same endpoints and authentication regardless of provider. Four endpoints are available: POST /ai/run — universal endpoint for all m...