Cloud

Cloudflare: what changed

In the last 90 days, 178 summarized changes: 2 breaking changes, 16 security advisories, 5 deprecations, 155 changes. Stackdiff reads Cloudflare's own feeds (cloudflare.com) and writes two sentences per change with a link to the source; it never republishes release notes. Sources last checked .

Needs attention

Breaking changes, security advisories, end-of-life and license changes from the last 90 days, worst first.

Breakinghigh
Workers - Miniflare v5 prepares local development for the cf CLI
1.1.1.1Breakinghigh
1.1.1.1 - Improved DoH JSON formatting for additional record types
Securitycritical
Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak models
Securitycritical
WAF - WAF Release - 2026-07-17 - Emergency
Securitycritical
WAF - WAF Release - 2026-07-14
Securityhigh
WAF - WAF Release - 2026-09-10 - Emergency
Securityhigh
WAF - WAF Release - 2026-09-08
Securityhigh
WAF - WAF Release - 2026-08-26 - Emergency
Securityhigh
WAF - WAF Release - 2026-08-17
Securityhigh
WAF - WAF Release - 2026-08-11
Securityhigh
WAF - WAF Release - 2026-08-07
Securityhigh
WAF - WAF Release - 2026-08-04

Latest changes

Newest first, every type. Releases and fixes sit below anything that can hurt you in the weekly brief; here they are in order.

News
Introducing automatic remediation policies with Cloudflare CASB
Changed
AI Search - AI Search supports extensionless R2 objects with Content-Type metadata
Changed
Agents - Inspect Voice Agent turn latency and outcomes
1.1.1.1News
1.1.1.1 now supports post-quantum DNSSEC, all 2,420 bytes of it
Changed
Workflows - Default instance retention for new Workflows on Workers Paid is seven days
Securityhigh
WAF - WAF Release - 2026-09-10 - Emergency
Changed
Containers - Use Cloudflare Containers with Codex via the OpenAI Agents API
2026.8.1290.1Changed
Cloudflare One Client - Cloudflare One Client for macOS (version 2026.8.1290.1)
2026.8.1290.1Changed
Cloudflare One Client - Cloudflare One Client for Windows (version 2026.8.1290.1)
News
How we rebuilt Cloudflare Workers’ module registry for Node.js compatibility
News
A Biography of Lee Holloway, the Architect of Cloudflare's Technology (Part 1)
Changed
AI Gateway - AI Gateway custom costs support cache tokens
Changed
Browser Isolation, Cloudflare One - Improved iOS tap-to-type experience for Browser Isolation
Changed
CASB - New CASB integration for Zoom
News
Automatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)
News
Among European Companies That Use a CDN, Nearly 9 in 10 Use Cloudflare
Securityhigh
WAF - WAF Release - 2026-09-08
Changed
Radar - Radar search now includes Internet events
Changed
WAF - WAF Release - Scheduled changes for 2026-09-15
Breakinghigh
Workers - Miniflare v5 prepares local development for the cf CLI
3.14Changed
Workers - Python 3.14 for Python Workers
Changed
Cloudflare Fundamentals, Workers - Enterprise customers can self-serve CDN upload limits up to 5 GB
Changed
R2 - R2 Data Access Logs
Changed
Workers - Deploy larger Workers — up to 64 MiB for both free and paid plans
Securitycritical
Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak models
Changed
Cloudflare One Appliance, Cloudflare One, Cloudflare WAN - Define custom applications for breakout and prioritized traffic from the Cloudflare One Appliance dashboard
Changed
Cloudflare One Appliance, Cloudflare One, Cloudflare WAN - Configure DHCP options from the dashboard on Cloudflare One Appliance
Changed
Cloudflare Images - New in Images: text rasterization and updates to the binding
Changed
Cloudflare Tunnel, Cloudflare One, Cloudflare WAN, Cloudflare Mesh - Create multiple Cloudflare Tunnel and Cloudflare Mesh routes at once
Changed
Sandbox SDK - Run Cursor Cloud Agents on Cloudflare via self-hosted machines

Where Stackdiff reads Cloudflare

Only what the vendor publishes for machines. Excerpts are capped, summaries are our own two sentences, and every line links back.

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