FWIW the default thing is actually https://i.imgur.com/JO0nXL7.png

This table is our aggregated view that gets triggered if there's a lot of comments that would spam the PR.

The code review functionality is completely open source at code.gitmate.io FWIW.

We grew from the whole review thing into automation for PRs (setting lots of labels for PRs automatically, managing review queues; it's all in GitMate) and eventually started with issues. Our next step is to split the review and issues because this is becoming very hard to communicate marketing wise ;)