2.1.84

Added:

• PowerShell tool for Windows as opt-in preview
• ANTHROPIC_DEFAULT_{OPUS,SONNET,HAIKU}_MODEL_SUPPORTS env vars for effort/thinking detection on 3p models
• _MODEL_NAME/_DESCRIPTION env vars to customize /model picker labels
• CLAUDE_STREAM_IDLE_TIMEOUT_MS env var to configure streaming idle watchdog (default 90s)
• TaskCreated hook for task creation via TaskCreate
• WorktreeCreate hook support for type: "http"
• allowedChannelPlugins managed setting for team/enterprise allowlist
• x-client-request-id header for debugging timeouts
• Idle-return prompt nudging users returning after 75+ minutes to /clear
• Deep links open in preferred terminal instead of first detected
• Rules and skills paths: frontmatter accepts YAML list of globs
• MCP tool descriptions capped at 2KB
• MCP servers deduplicated between local and claude.ai configurations
• Background bash tasks surface notification after ~45 seconds on interactive prompt
• Token counts ≥1M display as "1.5m" instead of "1512.6k"
• Global system-prompt caching with ToolSearch enabled

Fixed:

• Voice push-to-talk holding key no longer leaks characters into text input
• Up/down arrow keys unresponsive when footer item focused
• Ctrl+U (kill-to-line-start) no-op at line boundaries
• Null-unbinding default chord bindings still entering chord-wait mode