Added
- SDK clients can register custom slash commands when starting or joining a session
- SDK clients can show elicitation dialogs to the user via session.ui.elicitation
- Add experimental support for multiple concurrent sessions
- Add --effort as a shorthand alias for --reasoning-effort
- Add /undo command to undo the last turn and revert file changes
Improved
- Model picker reorganizes models into Available, Blocked/Disabled, and Upgrade tabs based on user plan and policy
- Workspace MCP servers from .mcp.json, .vscode/mcp.json, and devcontainer.json are now loaded only after folder trust is confirmed
- Config settings renamed to camelCase:
includeCoAuthoredBy,effortLevel,autoUpdatesChannel,statusLine(old names still work) - When copying assistant responses, the leading 2-space UI indent is stripped from selections where all selected lines share that indent
- Plugins loaded via --plugin-dir now appear in /plugin list under a separate 'External Plugins' section
Fixed
- Markdown bullet lists render correctly in alt-screen mode when content contains hard line breaks
- Elicitation form shows Shift+Tab hint for navigating between fields in reverse
- Remote session URL displays as a compact clickable 'Open in browser' link instead of a duplicated raw URL
- Session history is no longer lost when exiting via /quit, Ctrl+C, or restart
- Hook matcher filters defined in nested hook structures are now correctly applied to inner hook items
- Plugins using .claude-plugin/ or .plugin/ manifest directories now load their MCP and LSP servers correctly
- /terminal-setup no longer shows a misleading error for WSL users