Claude Code v1.0.55

Claude Code v1.0.55 was released on .

Summary

- Clarified knowledge cutoff for Opus 4 and Sonnet 4 models - Windows: fixed Ctrl+Z crash

Release Context

  • This was the 72nd Claude Code release of 2025 tracked by Havoptic.
  • It shipped 1 day after Claude Code v1.0.54 (July 16, 2025).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

Compare Claude Code: vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI

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Other Recent Claude Code Releases

All Claude Code releases · All AI coding tool releases on Havoptic