Voting starts in March for the Drupal Association Board election.
There's no so much time left before feature complete phase.
So if we wanna have this feature in D8 we need a clear roadmap and a list of tasks.
Splitting this into a doable amount of is only way to make it real.
1) Comment Entity - done, needs some clean-ups and optimization
2) Comment Field - done, has follow-ups for counter part (statistics and history modules integration)
3) Views integration - done, but sometimes has fails and fixes in re-rolls
4) Tests - done, supported
5) Upgrate path - partially, in progress of optimization
6) Theme layer - in progress, templates for wrapper an others, twig
Issue to test patches