Adds a new option 'One Choice Per Column' to matrix types.
Add contacts to event
Restrict event track location overlapping
Events PDF Report With Full Details
Configure the default value of Opt-Out for new partners
Survey Percent Question Type
Know and track (un)subscription reasons, GDPR compliant
Avoids duplicate mailing lists and contacts
Use the QWeb templating mechanism for emails
Disable mass mailing to partners by default (opt-out)