Hello Share button is in version 1.3, but warn that, because it can not operate other widgets on Facebook (that's on that she was removed in the new version)
- a way to be able to be subscribed to the threads as a commentator.
- Also that the system would send an automatic response to the participant every time somebody writes.
- Nested comments.
Looking forward for the update at the end of the month, as I read in here. Let´s see if it brings good stuff!