New Features

Agent Color Coding

• Agents now have color-coded identification in the interface
• New color palette: claude, success, bashBorder, planMode, autoAccept, warning, permission, error
• Color assignments persist per agent type for consistency
• The general-purpose agent remains uncolored

PDF File Support

• Added native PDF reading capability to the Read tool
• PDF files up to 32MB can now be processed directly
• PDF content is displayed visually as Claude Code is multimodal

Enhanced Permission Messages

• New DETAILED_PERMISSION_MESSAGES environment variable
• When enabled, provides more context about which specific commands are pre-approved
• Permission prompts now show reminders of allowed commands for each tool type

OAuth 2.0 Client Authentication

• Added comprehensive OAuth 2.0 client authentication support
• Supports multiple authentication methods:
• client_secret_basic (HTTP Basic Auth)
• client_secret_post (form-encoded)
• none (public clients)
• New error handling for OAuth flows with specific error types

Bash Command Prefix Support

• New CLAUDE_CODE_BASH_PREFIX environment variable
• Allows prefixing all bash commands with custom wrapper scripts
• Useful for sandboxing or monitoring command execution