In 2017, POTC 5: Dead Men Tell No Tales did well enought to have Disney decide on continuing their pirates franchise with a new installment. In 2018 they got Deadpool writer Rhett Reese & Paul Wernick to begin to pitch concepts for a reboot. A year later they hired Ted Elliott (writer for POTC 1 & 4) and Craig Mazin (Chernobyl) to take over.
There be little concrete info about the new film, but many rumors. Disney Film Production Chief, Sean Bailey, said that Johnny Depp will not be a main feature of the next film. Despite this, he my be refered to or have a small cameo shot.
The big rumor is that it may feature Redd the pirate, which originally was the red headed wench from the amusement park ride, who they turn into a female pirate after political correctness police visited the East India Mouse Company in 2018. Margot Robbie (Harley Quinn) or Karen Gukkab (Jumanji) have been considered fer the lead.