Claude Code 2.1.257

What changed in Claude Code 2.1.257?

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

• A new, more capable Fable 5.1 model is now the default for AI assistant operations, offering increased context and updated pricing.
• Users can now customize time display formats for clock and timestamp elements within the interface.
• Automatic mode security has been enhanced to prevent unapproved cloud credential fetches and other evasive actions by default.
• Performance improvements have been implemented for rendering long conversations and ensuring prompt input responsiveness.
• Several issues related to background session management, model loading, and permission handling have been addressed.
• VSCode integration has been updated with new UI elements for account, usage, and session management, including a model picker in the input footer.

Is this the latest version?

This page is frozen to Claude Code 2.1.257 and stays at this address. The Claude Code version history always lists the newest tracked version first.