# Claude Code 2.1.9

Captured: 2026-05-10T16:27:28.323Z

- Added `auto:N` syntax for configuring the MCP tool search auto-enable threshold, where N is the context window percentage (0-100)
- Added `plansDirectory` setting to customize where plan files are stored
- Added external editor support (Ctrl+G) in AskUserQuestion "Other" input field
- Added session URL attribution to commits and PRs created from web sessions
- Added support for `PreToolUse` hooks to return `additionalContext` to the model
- Added `${CLAUDE_SESSION_ID}` string substitution for skills to access the current session ID
- Fixed long sessions with parallel tool calls failing with an API error about orphan tool_result blocks
- Fixed MCP server reconnection hanging when cached connection promise never resolves
- Fixed Ctrl+Z suspend not working in terminals using Kitty keyboard protocol (Ghostty, iTerm2, kitty, WezTerm)
