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Claude change history: Elevated errors across all models

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22Major incident
When (UTC)ChangeKind
Critical incident: Elevated errors across all modelsHN
Claude reported a critical incident involving elevated errors across all models, affecting claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. It started at 2026-07-29 19:49 UTC and was resolved at 2026-07-29 22:36 UTC, lasting 2 h 46 min; Claude confirmed recovery in success rates across all models.
Major incident