Claude Code v2.0.12

**Plugin System Released**: Extend Claude Code with custom commands, agents, hooks, and MCP servers from marketplaces

/plugin install, /plugin enable/disable, /plugin marketplace commands for plugin management

Repository-level plugin configuration via extraKnownMarketplaces for team collaboration

/plugin validate command for validating plugin structure and configuration

Plugin announcement blog post at https://www.anthropic.com/news/claude-code-plugins

Plugin documentation available at https://code.claude.com/docs/en/plugins

Comprehensive error messages and diagnostics via /doctor command

Avoid flickering in /model selector

Improvements to /help

Avoid mentioning hooks in /resume summaries

Changes to the "verbose" setting in /config now persist across sessions