Use the QWeb templating mechanism for emails
Know and track (un)subscription reasons, GDPR compliant
Disable mass mailing to partners by default (opt-out)
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
Adds a new option 'One Choice Per Column' to matrix types.
Survey Percent Question Type
Avoids duplicate mailing lists and contacts