ToolClaudeClaude Code

Anthropic fixes Claude Code startup freezes

Original title: Claude Code 2.1.311

Plain language

What it is: Anthropic released version 2.1.311 of the Claude Code development tool, which includes various bug fixes and improvements.
How it works: The update automatically shrinks long conversations to prevent work interruptions and fixes issues where the tool would freeze. It also adds syntax coloring to code blocks in VS Code to make them easier to read.
Where it is available: The changes are available in the new version of Claude Code, including its integrations with VS Code and self-hosted setups.
Example: If your conversation with the tool becomes very long and exceeds the memory limit, the system will automatically compress the chat history so you can continue working.

What it is: Claude Code version 2.1.311 has been released with multiple bug fixes, performance improvements, and new configuration options.
How it works: It introduces new flags for managing idle sessions in self-hosted runners. It also automatically compacts standard-context sessions when they exceed 200K tokens to prevent credit usage errors.
Where it is available: The updates apply to the Claude Code CLI, self-hosted runners, and the VS Code extension.
Example: A developer running a self-hosted runner can use the `--hold-idle-file` flag to keep an idle session alive while the host reports that background processes are still running.

The headline and explanation on this page are based on Anthropic's post. The full details are in the original.

Claude Code 2.1.311