When replying to a thread in the updates section it would be great if the reply would carry over the notification tags that were assigned in the update that you are responding to.
Workfront absolutely needs this functionality - either bake it in to the core system or provide a Global Setting toggle for companies that desire it. I was told by support that this behavior is functioning as intended to help cut down on the amount of emails one could possibly receive, however, there are a multitude of Personal Notification Settings that can be tweaked for this very purpose.