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D3D12 UniformBuffer Access Violation Crash in UE 5.5.4 Packaged Builds

General Issues and Bug Reporting

crash, unreal-engine, Rendering

hizxc8 (hizxc8) May 27, 2025, 6:20am 2

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Intermittent D3D12 UniformBuffer Access Violation Crash in UE 5.5.4 Packaged Builds Rendering

Hello Unreal Engine community, I’m experiencing an intermittent crash in our UE 5.5.4 project related to UniformBuffer handling in the D3D12 RHI. The crash occurs in packaged builds (both Development and Shipping configurations) and is more frequent when teleporting between different locations in the game. I’ve spent considerable time debugging this issue and would appreciate any insights from the community. Crash Details The application crashes with an access violation when trying to read fro…

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