**Bug Description** i'm getting hallucinations, display glitches, harness issues. it's frankly been a mess the last 24 hours since Opus 4.8 came out. **Environment Info** - Platform: darwin - Terminal: iTerm.app - Version: 2.1.158 - Feedback ID: 7bb440a0-0648-4fa3-981c-b284ebc7fdc9 **Errors** ```json [] ```

[Bug] Multiple stability issues: hallucinations, display glitches, and harness errors

Status Closed — not planned

Reported on v2.1.158

Maintainer reply None cached

Activity 2 comments · opened May 30, 2026 · closed Jun 6, 2026

Bug Description
i'm getting hallucinations, display glitches, harness issues. it's frankly been a mess the last 24 hours since Opus 4.8 came out.

Environment Info

Errors

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