Jamie Hayes

@hazejay.bsky.social

Principal Rendering Programmer @ Epic Games. Currently working on Nanite.

Thanks for tuning in to The Witcher 4 — Unreal Engine 5 tech demo and joining us during the State of Unreal 2025! #UnrealFest The full presentation will be uploaded and shared with everyone later today, but in the meantime, here's four screenshots straight from the demo to tide us all over. 😍

Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a close-up of Ciri wearing her hood up, looking off in the distance. Her two swords can be seen on her back. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a lush forest, with a fallen tree in the foreground alongside patches of snow. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a hooded Ciri standing on the edge of a cliff, overlooking the forests and mountains of Kovir on a bright day. A grand medieval city can be spotted in the distance. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows the busy medieval market of Valdrest with dozens upon dozens of NPCs crowding around a band performing on stage. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”

The prospect of Slang being the new multi-platform standard shading language is very interesting to me, especially in terms of bridging the gap between Vulkan and DX, but I’d really love to see these both come together syntactically wrt templates and struct member func behavior