Update [10:20 EST]
Both issues have been resolved. We will continue to monitor the system to make sure it's stable moving forward.
Update [16:02 EST]
We had a hiccup with our database which caused the feeds update issue.We are working with our DBAs to have it resolved.
As for the unread count issue, we have a potential fix for that. The rollout will be gradual so we can monitor the update.
For the past couple days we have been running into issues that caused the system to become unstable. Over the course of the next few days, we'll be making updates to fix these issues. You can follow our progress in here