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The 2.0 branch is no longer being updated.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.
Just saw the post about the Reactions system and badges, it says it's under Addons but I have no clue where. I'm running 184.108.40.206. Does anyone know where it's located? I'd love to try it out.