The improvements to code reviews are really exciting. Having comments submit all at once instead of one at a time is a great UX change, I've definitely gotten s

The improvements to code reviews are really exciting. Having comments submit all at once instead of one at a time is a great UX change, I've definitely gotten sidetracked mid-review because somebody started responding to my initial comments when I'm neck deep. Comment threading is super useful for discussion-heavy comments like code review, and an in-UI approve/request changes is great.