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Anthropic/Claude Code/v2.1.156

Opus 4.8 thinking blocks no longer cause API errors

v2.1.156

May 29, 2026Claude CodeView original ↗
1 fixThis release1 fixBug fixesAI-tallied from the release notes

What's changed

  • Fixed an issue when using Opus 4.8 where thinking blocks were modified, leading to API errors.

Fetched May 29, 2026

Opus 4.8 thinking blocks no longer cause API errors (v2.1.156) — Claude Code — releases.sh