Revamp is a massive overhaul that adds new transformations (SSJ4, SSG, UI, etc.), new characters, custom auras, updated move effects, new stages, and quality-of-life improvements.
If you are looking to elevate your Xenoverse 2 experience, here is everything you need to know about downloading and installing the Revamp Project. What is the Revamp Project? Dragon Ball Xenoverse 2 Revamp Download