This edition includes a new physics engine and better optimization, resulting in much smoother performance on both PC and consoles.
Based on the title structure "Divinity.Original.Sin.2.Definitive.Edition.part...", you appear to be looking for a feature or summary covering the core enhancements found in the of this acclaimed RPG. Divinity.Original.Sin.2.Definitive.Edition.part...
The Definitive Edition automatically includes all previous updates and Gift Bag DLCs , which offer optional gameplay modifiers like faster movement speed or permanent "Pet Pal" abilities. This edition includes a new physics engine and