While updating you can get an error like missing database table or columns.
If you go to your campaign overview, clicking on the number of recipients will redirect you
In order to redirect the subscriber to another page than the default one from MailWizz after he subscribes
If during the upgrade process you get a timeout it is because your database is just too big.
The main issue we have with huge MailWizz apps is that the campaign_delivery_log table becomes huge
When we talk about list pages, we are talking about pages like Subscribe, Unsubscribe, Profile page