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
Security scan of 195 MCP packages on npm revealed 36% had at least one security issue.
Ecosystem
Claude Code
pnpm
Benchmarks
Evidence (5 articles)
Scan MCP Servers Before You Install: New Free Tool Reveals Security Scores
Mar 23, 2026Claude Code Source Leak: What Developers Found and What It Means for You
Mar 31, 2026How to Build a Real Project on Claude Code's Free Plan (Without the Pain)
Mar 24, 2026Formax: An Open-Source Claude Code Clone You Can Run and Study Today
Mar 16, 20267 CLAUDE.md Mistakes That Were Silently Taxing My Sessions (And the Exact Fixes)
Aug 11, 2026