Claude Code 2.1.221: What the Biggest Update Yet Means for Your Workflow
Reading Time: 5 minutesClaude Code 2.1.221 introduces Opus 5 as the new default with a 1M context window, adds Focus view for VS Code, enables credential masking on Linux, and closes a zsh permission-check bypass. The release also deepens subagent nesting and moves code review to background processing, reshaping how teams can run multi-step automated work.
