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v2.1.156 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 6d Developer Productivity
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Summary

AI summary

Fixed API errors caused by Opus 4.8 modifying thinking blocks.

Changes in this release

Bugfix Medium

Fixes API errors when using Opus 4.8 with thinking blocks.

Fixes API errors when using Opus 4.8 with thinking blocks.

Source: llm_adapter@2026-05-29

Confidence: low

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Full changelog

What's changed

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

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Related context

Earlier breaking changes

  • v2.1.160 Renames dynamic‑workflow trigger keyword from `workflow` to `ultracode`; `workflow` no longer triggers a run
  • v2.1.160 Deprecates and removes the `CLAUDE_CODE_OPUS_4_6_FAST_MODE_OVERRIDE` environment variable; it is now a no‑op
  • v2.1.147 Renames /simplify to /code-review; removes cleanup-and-fix behavior.

Beta — feedback welcome: [email protected]