Claude Code June 27 Release: Fullscreen Mouse Controls, Exact-Match Hook Matchers, Non-Blocking Background Agents

Anthropic / Releasebot·medium signal

Distinct from the June 25 update, this release adds fullscreen mouse click/drag/hover controls (with a CLAUDE_CODE_DISABLE_MOUSE_CLICKS escape hatch that keeps wheel scroll), and fixes hook matchers with hyphenated identifiers (e.g. code-reviewer, mcp__brave-search) that were accidentally substring-matching — they now exact-match. Background agents no longer instruct the model to 'end your response,' so the parent keeps working while an agent runs, and MCP auth now auto-reconnects on 401/403. Small but high-leverage quality-of-life fixes for daily Claude Code users running hooks and background agents.