To the point: Claude Code v2.1.156 fixes a bug in Opus 4.8 integration caused by unwanted modifications to Thinking Blocks API errors.
Claude Code version 2.1.156 fixes a critical issue when using Opus 4.8, where Thinking Blocks were incorrectly modified and led to API errors.
The update addresses an incompatibility between Claude Code v2.1.156 and the Opus 4.8 language model. The problem lay in the faulty processing of Thinking Blocks, which were unintentionally modified during API communication. This led to error outputs and interrupted workflows for developers. With this correction, reliable collaboration between Claude Code and Opus 4.8 is restored.
Source: github.com | Imported via Lumi AI News on May 29, 2026 | Designated pursuant to Art. 50 EU AI Act: AI-assisted curation and classification.
Source: github.com