I need Help

Ok so maybe I did something but I can't find the showcase tab its no longer at the top of the screen I was trying to edit it but I don't even have the option to edit my showcase can someone help me with this.

The feature's down for maintenance. It'll be back, but can't tell you when. Sorry for the inconvenience.

There are several changes that are in process at this time, so you may not see some things that you saw before. I do not know how long all of this will take. This site continues to evolve and get better and we do appreciate your patience and understanding during this time.

Thank you.