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-
Released v4.1.0 with Claude Code and Gemini CLI integration as AI code reviewers
Ecosystem
Claude Code
Git
Benchmarks
Evidence (5 articles)
Scale Your AI Code Review Fleet
Jun 5, 2026Ruby, Python, JavaScript: Claude Code's Fastest Languages (Data-Backed)
Mar 24, 2026Fix Your Silent Slash Command Failures with Explicit Tool Calls
Mar 25, 2026Why Generic Prompt Lists Fail in Claude Code (And What to Use Instead)
Mar 24, 2026How Git Worktrees Fix Multi-Instance Claude Code Chaos
Apr 19, 2026