Unreal Engine Issues

DX12 crash when fullscreen app looses focus.

Morph target LOD over 0 not worrking with GPU skin

I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...

[CrashReport] UE4Editor-MetalRHI!FMetalCommandBufferDebugHelpers::TrackResource(id<MTLCommandBuffer>, objc_object*) [MetalCommandBuffer.cpp:147]

Generated from CrashReporter ...

[CrashReport] UE4Editor-MetalRHI!FMetalCommandEncoder::SetShaderTexture(mtlpp::FunctionType, FMetalTexture const&, unsigned long, mtlpp::ResourceUsage) [MetalCommandEncoder.cpp:1702]

Generated from CrashReporter ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...

[CrashReport] UE4Editor-D3D11RHI!FD3D11DynamicRHI::RHICreateUniformBuffer(void const *,FRHIUniformBufferLayout const &,EUniformBufferUsage,EUniformBufferValidation) [D3D11UniformBuffer.cpp:265]

Generated from CrashReporter ...

LOD distance does not match between StaticMesh and SkeletalMesh

No dithered lod transition when changing Field of view

Vulkan leaks memory when opening and closing windows

As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...

Enabling Fixed Frame Rate doesn't Lock the Frame Rate

When a project is set to use a fixed frame rate via the Project Settings it is uncapped when played in editor. Found in 4.24 Preview 2 CL#10091930 Reproduced in 4.25 Main CL#10298106 ...