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AI summary
Written by AI from the official notes. Check them for exact details.A bug was fixed in Claude Code 2.1.156 related to Opus 4.8.
- Fixed API errors caused by modified thinking blocks in Opus 4.8.
Why it matters: Users of Claude and Opus 4.8 should update to avoid API errors.
Full release notes
What's changed
- Fixed an issue when using Opus 4.8 where thinking blocks were modified, leading to API errors.