An answer was posted for Let's get critical: Sep 2013 Site Self-Evaluation on 2013-09-23 03:00:57Z. However, the Questions section is still showing 0 answers even after 8 hours.
Screenshot given below:
Same behavior on Chrome, Chrome (incognito), and IE 10.
Now the answer count is correct but the modified datetime and sort order is still incorrect. On the active tab, this post should be displayed at the second spot but it is still displayed on the third row. This post was modified (answer added) on Sep 23 (not Sep 16 as captured in the screenshot).