2026-05-19

Cloudflare has integrated with Anthropic's Claude Managed Agents to provide a fast, isolated execution environment for autonomous code delivery. This means builders can scale agent workflows globally while strictly controlling access to private backends and easily customizing their agent’s tools and runtimes....

• 
  Mike Nomitch

2026-05-18

In recent weeks, we pointed Mythos and other security-focused LLMs at live code across critical parts of our infrastructure. We share what we observed, the models’ strengths and weaknesses, and what the work around them needs to look like before any of it can scale....

• 
  Grant Bourzikas

2026-05-14

When a partitioning change to our petabyte-scale ClickHouse cluster caused critical billing jobs to stall, standard metrics showed no obvious errors. This post explores how we identified severe lock contention in ClickHouse's query planner and built upstream patches to fix it....

• 
  James Morrison
• 
  Christian Endres

2026-05-13

We’ve enabled higher usage limits, faster performance, better reliability, and increased shipping velocity for our Browser Run product by rebuilding on top of Cloudflare’s Containers. Here’s how....

• 
  Ruskin Constant
• 
  Rui Figueira
• 
  Sofia Cardita

2026-05-12

We investigated a bug where CUBIC's congestion window became pinned at its minimum floor, causing a performance to plummet. The fix involved correctly measuring idle periods to distinguish RTT wait times from actual application idleness....

• 
  Esteban Carisimo
• 
  Antonio Vicente

2026-05-07

This afternoon, we sent the following email to our global team. One of our core values at Cloudflare is transparency, and we believe it's important that you hear this directly from us because it’s a major moment at Cloudflare. ...

• 
  Matthew Prince
• 
  Michelle Zatlyn

2026-05-07

When a critical Linux kernel privilege escalation was publicly disclosed, Cloudflare's security and engineering teams detected, investigated, and mitigated the threat across our global fleet, confirming zero customer impact and no malicious exploitation....

• 
  Chris J Arges
• 
  Sourov Zaman
• 
  Rian Islam

2026-05-06

On May 5, 2026, DENIC published broken DNSSEC signatures for the .de TLD, making millions of domains unreachable. Here's what 1.1.1.1 saw, how serve stale cushioned the impact, and how we restored resolution....

• 
  Sebastiaan Neuteboom
• 
  Christian Elmerot
• 
  Max Worsley

2026-05-01

We have completed a massive engineering effort to make our infrastructure more resilient. Through new tools like Snapstone and the Engineering Codex, we've implemented safer configuration changes and automated best practices to prevent future incidents....

• 
  Jeremy Hartman

2026-05-01

Dynamic Workflows is a library that lets you route durable execution to tenant-provided code on the fly. Built on Dynamic Workers, it enables platforms to serve millions of unique workflows at near-zero idle cost....

• 
  Dan Lapid
• 
  Luís Duarte

2026-04-30

Cloudflare IPsec now has generally available support for post-quantum encryption via hybrid ML-KEM. We’ve confirmed interoperability with Cisco and Fortinet....

• 
  Sharon Goldberg
• 
  Amos Paul

2026-04-30

Starting today, agents can now be Cloudflare customers. They can create a Cloudflare account, start a paid subscription, register a domain, and get back an API token to deploy code right away. Humans can be in the loop to grant permission, but there’s no need to go to the dashboard, copy and paste API tokens, or enter credit card details. ...

• 
  Sid Chatterjee
• 
  Brendan Irvine-Broque

2026-04-28

The first quarter of 2026 saw a surge in Internet disruptions, from nationwide shutdowns in Uganda and Iran to unprecedented drone strikes on cloud infrastructure. We explore the data behind these events using Cloudflare Radar....

• 
  David Belson

2026-04-22

Panics in Rust Workers were historically fatal, poisoning the entire instance. By collaborating upstream on the wasm‑bindgen project, Rust Workers now support resilient critical error recovery, including panic unwinding using WebAssembly Exception Handling....

• 
  Guy Bedford
• 
  Hood Chatham
• 
  Logan Gatlin

2026-04-21

As AI assistants and privacy proxies challenge the capabilities of traditional bot detection, the Web needs new models for accountability. We believe that control should remain with the client, and that an open ecosystem of anonymous credentials is key to preserving user privacy while protecting origins from abuse....

• 
  Thibault Meunier

2026-04-20

Agents Week 2026 is a wrap. Let’s take a look at everything we announced, from compute and security to the agent toolbox, platform tools, and the emerging agentic web. Everything we shipped for the agentic cloud. ...

• 
  Ming Lu
• 
  Anni Wang

2026-04-20

We built our internal AI engineering stack on the same products we ship. That means 20 million requests routed through AI Gateway, 241 billion tokens processed, and inference running on Workers AI, serving more than 3,683 internal users. Here's how we did it. ...

• 
  Ayush Thakur
• 
  Scott Roe-Meschke
• 
  Rajesh Bhatia

2026-04-20

Learn about how we built a CI-native AI code reviewer using OpenCode that helps our engineers ship better, safer code....

• 
  Ryan Skidmore

2026-04-17

The Agent Readiness score can help site owners understand how well their websites support AI agents. Here we explore new standards, share Radar data, and detail how we made Cloudflare’s docs the most agent-friendly on the web....

• 
  André Jesus
• 
  Vance Morrison