User blog comment:SwordlessDarknut/Pirates 5 on the rise/@comment-24.150.106.242-20120325221351/@comment-1984959-20120325231825

It was confirmed to be in development by Bruckheimer on his Twitter on July 2011(at this point being somewhere in the writing stage, as they've been writing since the middle of filming OST). On October 19 2011, Bruckheimer confirmed that Pirates 5 was being rewritten, saying that they "could do better".

So basically right now, Pirates 5 is currently being rewritten. However, all of that doesn't necessarily confirm that a film WILL be made. The way I see it, until they start filming, there is a likelihood that it may not happen. We will have to wait and see to know for sure.