The Digital Foundry team states that there have been reports that CDPR and Epic Games are collaborating to work on the engine to make The Witcher 4 run smoother. The team believes this studio is the only one that could improve the engine.
Furthermore, Alex mentions that CDPR talked about the “stutter struggle” at one of its recent Unreal Fest presentations, indicating that this is already something the developer is looking to address.
Article Link: Analysts Believe The Witcher 4 Will Fix Unreal Engine 5's Stuttering
I think if anyone’s going to solve it, it’s going to be CD Projekt Red. - Digital Foundry
Furthermore, Alex mentions that CDPR talked about the “stutter struggle” at one of its recent Unreal Fest presentations, indicating that this is already something the developer is looking to address.
Article Link: Analysts Believe The Witcher 4 Will Fix Unreal Engine 5's Stuttering