Unreal Engine Issues

Copying a grouped MaterialInstanceParameterDetail property that has spaces on it's name does not enclose it in double quotes, and later pasting won't work as expected

Copying a grouped MaterialInstanceParameterDetail property that has spaces on it's name does not enclose it in double quotes, and later pasting won't work as expected. The licensee noticed this in a ...

Adding a section with mesh editor mode lead to a staticmesh editor crash

Mobile Previewer: Safe Zone Invalid Until Window Resize

When the Mobile Previewer loads, the Safe Zone widget is not working properly at startup, and requires a window resize to update to the correct Safe Zone. ...

[CrashReport] UnrealEditor-MetalRHI!FMetalRHIBuffer::FMetalRHIBuffer(unsigned int, EBufferUsageFlags, EMetalBufferUsage, ERHIResourceType) [MetalVertexBuffer.cpp:152]

Generated from CrashReporter ...

Ensure trying to Draw Material on a Render Target

Ensure occurs when attempting to Draw Material on a Render Target. ...

[CrashReport] UE4Editor-MetalRHI!MetalLLM::LogAllocTexture(mtlpp::Device&, mtlpp::TextureDescriptor const&, mtlpp::Texture const&) [MetalLLM.cpp:240]

Generated from CrashReporter ...

[CrashReport] UE4Editor-MetalShaderFormat!SingleCompilerSetup(EAppleSDKType) [MetalShaderCompiler.cpp:716]

Generated from CrashReporter ...

VR Preview Crash when using split screen

If the user tries to use split screen in the editor along with VR preview, the editor will crash ...

Animation System relies on FindFunctionByName which is not thread safe.

Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...

~FStaticMesh() can crash with race condition

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...