Released version 2.1.221 with credential masking, VSCode Focus view, and 20 security fixes

Claude Code shifts to a policy-controlled execution layer with deterministic security workflows

Open-source plugin 'dont-let-me' released for Claude Code, Codex, and OpenCode

Claude Code skills feature introduced, allowing reusable instruction packs in ~/.claude/skills/

Claude Code now ships with Plan mode as a first-class safety rail for cross-file refactors

Claude Code's Plan mode introduced as a safety rail for cross-

Claude Desktop found to silently install preauthorized native messaging bridge for browser extension integration

Introduced experimental 'Use My Computer' feature for direct app and browser control

Bug report filed for Windows Hyper-V VM memory issue

Errors with stale session files began occurring