Unreal Engine 5.9 Preview Is Out & It Was Built With AI
Epic Games has released the Unreal Engine 5.9 Preview ahead of the 2026 Epic AI MegaJam, marking the company's first engine release built primarily using agentic AI workflows. A small team directed agent swarms to port AI tooling and implement Web as a target platform, alongside improvements to Python scripting, rendering, and animation. Epic notes that some agent-written code and web renderer parts are still prototypes that will be refactored before the final release. Open article →
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