Pirates of the Burning Sea has recently set sail, but has now pulled into port for a bit of maintenance and renovation updating it to version 1.1. This new version focuses on mostly graphical bug fixes on the Open Sea and a few other notable mechanics changes:
* Mismatched NPCs in Ad Hoc battles
* Rare spawn rate improvements
* Ad Hoc invisibility fixed
* Open Sea logout system refined
* Open Sea graphics bugs fixed
You can get the full details for version 1.1 here.