Claude Code 2.1.311

What changed in Claude Code 2.1.311?

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

• Standard sessions exceeding 200,000 tokens now automatically compress conversation history to prevent unexpected credit errors and session terminations.
• The Visual Studio Code extension now renders syntax highlighting inside code snippets, respects editor-level telemetry opt-outs, and ensures active editor selections are included when running custom commands.
• Performance updates reduce startup times for subscribers and eliminate application freezes previously caused by exceptionally long list items in configuration files.
• Developers targeting third-party cloud providers will no longer experience truncated extended-thinking streams, while a terminal keyword now allows users to dynamically elevate reasoning effort on supported models.
• Subagent workflows receive several reliability corrections, ensuring access to external tool servers that connect late and preventing isolated worktrees from being deleted during active background tasks.

Is this the latest version?

This page is frozen to Claude Code 2.1.311 and stays at this address. The Claude Code version history always lists the newest tracked version first.