Cognition unveiled a ground-up rewrite of the Devin web application, slashing load latency by 80%, improving chat opening speed by 55%, and introducing nested multi-agent VM execution via a new ⌘K palette.

Key Takeaways

  • ✓Complete chat rendering rewrite cuts long-session opening times by 55% and improves INP responsiveness by 36%;
  • ✓Keyboard-first ⌘K command palette enables instant search, creation, and pinning of agent work sessions;
  • ✓Nested subagents run in dedicated isolated VM sandboxes with hierarchical management in the compact sidebar.