Same problems as in d7 - https://www.drupal.org/node/1872316 →
Needs work
1.0
Code
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.
I've made a reroll for this patch as it stopped applying in rc15 release.
Thanks @Arantxio. That works on current RC19.
I think it's a good way of dealing with the problem.