Please upgrade to 2.1.x here.
The 2.0 branch is no longer being updated.
Current version is 2.1.11
, released 12 June.
Post Updates Email notifications
I tried searching the forum for email notifications about post udpates but, was unable to understand whether or not it's available in Vanilla. I saw Outgoing Email option in the dashboard, I entered an email id and tried posting in the threads to check email notifications and I didn't get any.