Cal.com v6.6 introduces major UI overhaul, live event previews, admin audit logs

Cal.com v6.6 rolls out a comprehensive user interface overhaul, migrating all core surfaces to the new coss.com/ui design system for improved accessibility and consistency.

The event type settings page now includes a live booker preview and reorganized options, streamlining configuration for users.

Admins gain greater oversight through a new audit infrastructure for tracking attribute assignments and integration syncs.

Real-time push notifications are also now available in the companion mobile app, allowing users to respond instantly to booking updates.