Timeline
Claude Code 2.1.224 removes the old 200-subagent cap, enabling truly parallel workflows.
Scored 78.9% on Terminal-Bench 2.1 and 88.6% on SWE-bench Verified with Opus 4.6
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
Shift to a policy-controlled execution layer in the harness, enforcing deterministic security workflows
Open-source plugin 'dont-let-me' released for Claude Code, Codex, and OpenCode
Launch of a free, open-source Claude skill that generates optimized prompts for 18+ AI tools on the first attempt
Released a free Claude skill that auto-generates optimized prompts for Claude Code to reduce wasted tokens.
Released a free, open-source Claude skill designed to generate optimized prompts specifically for Claude Code.