Watch out for increased errors in Claude Opus 4.5. Fix is underway.
Increased Errors on Claude Opus 4.5
Original: Elevated errors on Claude Opus 4.5
Importance: ユーザーに影響を及ぼすエラーの増加が報告されているため。
Summary
On May 4, 2026, increased errors were identified in Claude Opus 4.5. The issue has been recognized, and a fix is being implemented. Users may be affected, and further updates are anticipated.
Key Points
- Increased errors in Claude Opus 4.5
- Issue has been identified
- Fix is currently being implemented
- Potential impact on users
View developer notes (APIs, breaking changes, migration)
On May 4, 2026, an issue with increased errors in Claude Opus 4.5 was identified. The development team is currently working on identifying and fixing the problem, with user impact being assessed. Further technical details will be provided in upcoming updates.
Source: https://status.claude.com/incidents/zxv1xv501678
Outlet: Anthropic Status
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