Parameters for setting up the mail server used to send Notifications have been updated, notably to support unsecured mail servers.
Since 3.4.1, it could happen that the finalize review screen would fail to display the discussion and findings for the selected resource.
Previews and JAS
When Jazz is set up with JAS, Jazz won't be able to retrieve SECollab previews. When trying to connect to see the preview, the browser will mention an invalid response.
On Enterprise Architect diagrams publication, if the element the most on the top and/or the most on the left of the diagram is a label, there may be an offset between the clickable areas and the picture of the diagram.
There is no specific action to take upon migrating from version 3.x.x. Simply follow the Updating SECollab guidelines.