Claude Code 2.1.154

What changed in Claude Code 2.1.154?

In our words, from the release notes — never copied.

• The newest Opus model version 4.8 is now available, featuring enhanced processing for complex tasks and a more cost-effective fast mode option.
• A new dynamic workflow capability allows Claude to autonomously manage multiple agents for large-scale, intricate projects.
• Improvements to agent management include background shell command execution, better authentication handling, and broader compatibility for the agents view.
• Several changes refine how Claude interacts, such as more judicious multiple-choice prompting and a streamlined `/simplify` command for cleanup-focused code review.
• The default system prompt has been updated for most models, and various stability and functionality fixes have been implemented across the platform, including for specific operating systems and integrations.

Is this the latest version?

This page is frozen to Claude Code 2.1.154 and stays at this address. The Claude Code version history always lists the newest tracked version first.