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The 2.0 branch is no longer being updated.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.
Recent activity doeas not work with Vanilla Default multitheme
Recent activity plugin does not shows on Vanilla Default multitheme or with Embed Friendly that comes with vanilla 2.0.14 installation. However, it works fine with included default theme.