Ten days ago we launched on Product Hunt. Since then v0.22 dropped. Probably the biggest one yet. Quick rundown:
Agent instructions library
Pick a role (Software Architect, Code Reviewer, Debugger, Refactoring Specialist, Test Author, plus 8 more) and the system prompt loads natively. --append-system-prompt for Claude, --system-instruction for Gemini. Stop pasting the same prompt into every new session.