Claude Code v2.1.219

Descripción Detallada

What's changed - Added Claude Opus 5 (`claude-opus-5`), now the default Opus model — 1M context, fast mode at $10/$50 per Mtok - Added `sandbox.network.strictAllowlist` setting to deny non-allowlisted hosts for sandboxed commands without prompting - Added `DirectoryAdded` hook that fires after `/add-dir` or the SDK `registerreporoot` control request registers a new working directory mid-session - Added `mcpservererrors` to the headless stream-json init event, listing `--mcp-config` entries skipped by config validation; terminal runs print a startup warning - Added the `workflowSizeGuideline` settings key so the advisory Dynamic workflow size guideline can be set from any settings file; the `/config` row is hidden while one does - Added nested subagent forwarding in stream-json: subagents spawned at depth-2+ now appear when `--forward-subagent-text` is set, keyed by their spawning Agent `tool_use` id - Fixed `claude -p` text output dropping the answer already produced when a turn dies on a mid-stream API error - Added HTTP status and error text to `claude mcp list` and `/mcp` when a server fails to connect, and a warning for MCP config values with hidden leading or trailing whitespace - Fixed a permission you approved while a self-hosted runner was restarting being dropped when the session resumed, so the approved action now runs - Fixed the Fable model row showing "Requires usage credits" for plans that include it, when a stale cache had baked the label in - Fixed a S