Claude Code v0.2.18

• New config array operations: Added config add and config rm subcommands to manage configuration arrays
• claude config add <key> <value> - Add an item to a config array
• claude config rm <key> <value> - Remove an item from a config array
• Alias support: Added ls as an alias for config list

• Added full support for Fish shell in the persistent shell environment
• Fish shell configuration files (.config/fish/config.fish) are now recognized

• Command output can now display images when detected (data URLs with base64 encoding)
• When image data is detected in command output, it's sent to Claude and marked as "[Image data detected and sent to Claude]"

• Added ignorePatterns configuration option to specify patterns for files/directories to ignore
• Improved ignore pattern handling with custom pattern support via v_() function

• Simplified release notes display - now shows "What's new:" instead of version-specific headers
• Improved release notes caching and display logic using useMemo for better performance

• Enhanced error reporting with additional context in the Ib function
• Better error tracking with optional extra parameters

• Fixed Fish shell syntax checking with proper flags (--no-execute -c)
• Improved shell command validation for Fish shell compatibility

• Updated version to 0.2.18
• Added 42 new functions/variables
• Removed 12 deprecated functions/variables
• Modified 12 existing functions with improvements
• Structural similarity with v0.2.14: 99.2%

# Add a pattern to ignore list
claude config add ignorePatterns "*.tmp"

# Remove a pattern from ignore list  
claude config rm ignorePatterns "*.tmp"

# List all config values (using new alias)
claude config ls

Fish shell users can now use Claude Code seamlessly with proper shell integration and syntax validation.