Unreal Engine 5.9 preview ships UE6-ported AI acceleration plus in-browser gameplay
TimSweeneyEpic · x · 2026-11-11
Tim Sweeney announced the Unreal Engine 5.9 preview, highlighting major AI acceleration improvements ported from the unfinished Unreal Engine 6 and brand-new support for playing games inside web browsers. VFX developer Will Faucher tested it by building his EasyWaterscape demo for the web, hitting a rock-solid 60fps at high settings in Chrome at 4586x2372.
Related event: Unreal Engine 5.9 Preview Built Largely by AI Agents(3 posts)→
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