Cloudflare’s 2026 Annual Founders’ Letter
Product news · Cloudflare Blog
Weekly briefing
Week 39 · 21 Sep – 27 Sep 2026 UTC · assess the changes, then plan the next dates.
All dated changes in this period
77 source records · 29 groupsKnown issuesCloudflare2 source records
Service incident · 2 entries
- Cloudflare: Cloudflare Cloud Access Security Broker (CASB) Issues
Service incident
Cloud Access Security Broker (CASB) · lasted 37 min
- Cloudflare: R2 Service Issues in Western North America (WNAM)
Service incident
Known issuesCloudflare3 source records
Service incident · 3 entries
- Cloudflare: Secondary DNS Update Delays
Service incident
Known issuesOpenAI / Visual Studio Code
Updates and guidanceCloudflare
Agents can now set up your website’s security with Turnstile Spin
Product news · Cloudflare Blog
Updates and guidanceJamf Pro2 source records
Product news · 2 entries
- CloudSyncD: a two-stage macOS backdoor that hides a phished password in zero-width Unicode
Product news · Jamf Blog
- JNUC 2026 Day 3 Recap
Product news · Jamf Blog
Updates and guidanceOpenAI4 source records
Product news · 4 entries
- Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna.
Product news · OpenAI API changelog
- Lowe’s answers millions of home improvement questions with OpenAI
Product news · OpenAI News
- Proaction boosts sales 60% and saves 75+ hours with Codex
Product news · OpenAI News
Show the other 1 entries
- Wayfair boosts catalog accuracy and support speed with OpenAI
Product news · OpenAI News
Known issuesCloudflare5 source records
Service incident · 5 entries
- Cloudflare: Browser isolation session data sync issues
Service incident
Browser Isolation · lasted 311 min
- Cloudflare: Customers using BYOIP can have issues updating their BGP prefixes, including advertising or withdrawing prefixes.
Service incident
Bring Your Own IP (BYOIP) · lasted 3 min
Show the other 2 entries
- Cloudflare: Delays Starting Cloudflare Workers Builds
Service incident
Workers Builds · lasted 199 min
- Cloudflare: Intermittent 500 errors for backend services on Replicate
Service incident
Replicate · lasted 114 min
Known issuesOpenAI
OpenAI: Elevated Error Rates on GPT-6 Astra Pro
Service incident
Updates and guidanceAnthropic Claude3 source records
Product news · 3 entries
- The Compliance API Activity Feed no longer returns file names, project document names, or artifact titles.
Product news · Claude Platform release notes
- The Compliance API local session endpoints are out of beta for Claude for Microsoft 365 sessions in Excel, PowerPoint, Word, and Outlook (product_surface values beginnin…
Product news · Claude Platform release notes
- We're resuming billing for refusals that arrive before any output when stop_details.category is "bio", "frontier_llm", or "reasoning_extraction", the categories where we…
Product news · Claude Platform release notes
Updates and guidanceGoogle Gemini
Introducing Gemini 3.8 Live with Live Avatar
Product news · Google Gemini Blog
Updates and guidanceJamf Pro3 source records
Product news · 3 entries
- Central US Certificate Issues
Product news · Jamf Cloud status history
- JNUC 2026 Day 1 recap: powering up in Kansas City
Product news · Jamf Blog
- JNUC 2026 Day 2 recap
Product news · Jamf Blog
Known issuesCloudflare6 source records
Service incident · 6 entries
- Cloudflare: Elevated Errors with any / all in http_response_cache_settings
Service incident
Rules · lasted 134 min
- Cloudflare: Elevated number of R2 503 errors in Australian Eastern Coast region
Service incident
Oceania · R2 · lasted 17 min
Show the other 3 entries
Known issuesOpenAI2 source records
Service incident · 2 entries
- OpenAI: Mobile users unable to see Work Mode and the Model Picker
Service incident
File uploads, Search, Image Generation
Updates and guidanceAnthropic Claude
Cache diagnostics is out of beta on the Claude API and no longer requires the cache-diagnosis-2026-04-07 beta header.
Product news · Claude Platform release notes
Updates and guidanceGoogle Gemini2 source records
Product news · 2 entries
- A new wave of Connected Apps is rolling out to Gemini.
Product news · Google Gemini Blog
- Gemini 3.8 text-to-speech says hello
Product news · Google Gemini Blog
Updates and guidanceJamf Pro2 source records
Product news · 2 entries
- Education State of the Union: JNUC 2026
Product news · Jamf Blog
- Platform State of the Union: JNUC 2026
Product news · Jamf Blog
Updates and guidanceOpenAI10 source records
Product news · 10 entries
- Airbnb widens access to GPT-6 Astra and OpenAI frontier models
Product news · OpenAI News
- ChatGPT Ads expands to Southeast Asia and Taiwan
Product news · OpenAI News
- Grab and OpenAI bring practical AI skills to Southeast Asia
Product news · OpenAI News
Show the other 7 entries
- Harvey turns legal context into stronger drafts with GPT-6 Astra
Product news · OpenAI News
- How invideo improves color grading 3x with GPT‑6 Astra
Product news · OpenAI News
- Introducing MentalHealthBench
Product news · OpenAI News
- OpenAI extends cyber access to Ukraine for civilian defense
Product news · OpenAI News
- Ringg’s AI agents resolve up to 65% of customer calls with OpenAI
Product news · OpenAI News
- Sam Altman’s remarks at the United Nations Security Council
Product news · OpenAI News
- Two years of OpenAI Academy
Product news · OpenAI News
ReleasesGoogle Chrome
Google Chrome · Beta: 155.0.8059.12
New version · Google Chrome releases
Known issuesAnthropic Claude
Anthropic (Claude): Elevated errors for multiple models
Service incident
claude.ai, Claude API (api.anthropic.com), Claude Code
Known issuesCloudflare3 source records
Service incident · 3 entries
- Cloudflare: Bot Management Configuration Propagation Issues
Service incident
Bot Management · lasted 64 min
- Cloudflare: Cloudflare One Clients are incorrectly challenged on some sites
Service incident
Cloudflare One Client · lasted 31532 min
Known issuesOpenAI2 source records
Service incident · 2 entries
- OpenAI: Elevated Error Rates for ChatGPT Work, across Plus, Pro, Business, Enterprise and Education plans.
Service incident
ChatGPT Work
Updates and guidanceAnthropic Claude4 source records
Product news · 4 entries
- Fast mode (research preview) is available for Claude Opus 5.5 on the Claude API.
Product news · Claude Platform release notes
- On Claude Opus 5.5, thinking can't be disabled: thinking: {"type": "disabled"} and thinking: {"type": "enabled", ...} return a 400 error.
Product news · Claude Platform release notes
- Tools can now be defined inside a mid-conversation system message, in beta on the Claude API with the inline-tools-2026-09-15 beta header.
Product news · Claude Platform release notes
Show the other 1 entries
- We've launched Claude Opus 5.5 (claude-opus-5-5), a model for long-running agentic coding and knowledge work.
Product news · Claude Platform release notes
Updates and guidanceGoogle Gemini
Gemini 3.8 Flash TTS and Gemini 3.8 Flash-Lite TTS generally available (GA)
Product news · Gemini API release notes
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.