Capella's client publisher now supports Capella 1.4.0 and 1.4.1.
Findings' creation is now only possible from the finalize review screen for this is where the project leader is expected to create them.
The sender of the email notification for all existing triggers is now always the review's owner.
The list of known issues can be found on the known issues page.
There is no specific action to take upon migrating from version 3.x.x. Simply follow the Updating SECollab guidelines.