What broke on 2026-05-28

One day's outages across every provider down.guide reads, in UTC.

Worst

Worst incidents

By Down Index score, then duration.

AnthropicPartial outage
Elevated errors on Claude Opus 4.7
May 28, 2026, 8:38 AM UTClasted 39mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
GitHub CopilotMajor outage
Disruption with OpenAI Models
May 28, 2026, 7:01 PM UTClasted 1h 41mCopilot
LinearMajor outage
Linear not loading for some users
May 28, 2026, 2:25 PM UTClasted 56m
LinearMajor outage
Asks Email Intake failing
May 28, 2026, 1:45 PM UTClasted 31m
TwingateMajor outage
Twingate Service Incident
May 28, 2026, 9:25 AM UTClasted 8h 2mAuthentication - Enterprise, Authentication - Social, MFA +2
GitHubMajor outage
Disruption with OpenAI Models
May 28, 2026, 7:01 PM UTClasted 1h 41mCopilot
SurveyMonkeyPartial outage
SurveyMonkey Help Center is Down
May 28, 2026, 5:03 AM UTClasted 10mSurveyMonkey
ReadMePartial outage
Refactored Hubs Down
May 28, 2026, 2:35 PM UTClasted 4d 3hReadMe Hubs, ReadMe Knowledge Base, Admin Dashboard
Cloudflare WorkersDegraded
Pages upload failures
May 28, 2026, 2:42 PM UTClasted 1d 5hPages
FrontPartial outage
[office365] Office channels offline preventing emails being sent or received
May 28, 2026, 6:24 PM UTClasted 4d 5hO365