Use the QWeb templating mechanism for emails
Know and track (un)subscription reasons, GDPR compliant
Mass mailing lists that get autopopulated
Mail settings in events
Share your events via social media
Allow selling event registrations before the event exists
Copy tracking fields from leads to partners
Combine event reservations, opportunities and quotations
Add contacts to event and event type
Allow registration grouped by quantities
Allow registration grouped by quantities in sessions
Allows sell registrations with more than one attendee
Sessions sales in events
Restrict event track location overlapping