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-

Codex 5.3 reported 95% reliability by same user

Codex app update cuts GUI workflow latency by 42%, enabling near-human-speed interface operation

Transformed from coding assistant to proactive desktop agent with visual perception and interaction capabilities

Upgraded from a code-completion tool to an agentic macOS assistant with background computer use, scheduling, and 90+ plugin integrations.