Claude Code 2.1.280

What changed in Claude Code 2.1.280?

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

• Claude Code now features the new Claude Opus 5.5 model with a 1M context window, which is set as the default Opus offering.
• The user interface has been enhanced with improved mouse support, better navigation in lists, and more consistent visual feedback across various dialogs and screens.
• Multiple issues affecting auto mode's retry behavior, action validation, and safety check interactions have been resolved.
• Performance and stability improvements address crashes, hangs, and error handling in background agents, session resumption, and configuration loading.
• VS Code integration has been expanded with new commands for status, sandbox mode, Chrome extension details, conversation export, and skill management.
• The Claude Tag integration for Slack now includes native working indicators, stop functionality, and improved handling of file uploads and error messages.

Is this the latest version?

This page is frozen to Claude Code 2.1.280 and stays at this address. The Claude Code version history always lists the newest tracked version first.