User blog comment:BertH/Technical Update: March 2, 2016/@comment-5275700-20160303014235/@comment-25683568-20160303115215

It works on w:c:community, but it's not working for me on w:c:kancolle.

I can see that I have # notifications unread, but the  request that gets sent when the notifications menu is opened 404's, with response JSON that indicates a ControllerNotFoundException. I've gotten this 404 both before the fix went live and after it went live. It only seems to 404 on the first time the menu is opened after page load. Similar requests with the method parameter being getUpdateCounts work fine however (with the # of notifications unread as response JSON). Making the problematic request under the community.wikia.com domain appears to work...