Timeline
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-
Ecosystem
Claude Code
MCP
No mapped relationships
Benchmarks
Evidence (12 articles)
Stop Reviewing Every Line: 3 Claude Code Workflows That Verify Code For You
Mar 27, 2026ExSpec: Run Gherkin Tests in Real Browsers with Claude Code—No Step Definitions Required
Mar 27, 2026Anthropic Labs Team, Led by Boris Cherny, Ships MCP, Skills, Claude Desktop, and Claude Code
Mar 24, 2026How to Build a Multi-Agent Dev System: One Developer's 40-Commit Field Report
Mar 25, 2026The Database Migration MCP Gap: What's Missing and What Works Today
Mar 25, 20263 Documentation MCP Servers to Install Now: GitMCP, Microsoft Learn, and Grounded Docs
Mar 25, 2026Secure Your Workflow: How to Use Lasso's Open-Source Defender with Claude Code
Mar 24, 2026Stop Pasting Secrets to Websites: How mcp-devutils Secures Your API Debugging
Mar 25, 2026+ 4 more articles