Unreal Engine Issues

Metal - Support 32bit index buffers

Metal is not taking the non-uniform buffer path for GPU skinning. ...

Using the "-opengl" commandline argument on a client project will trigger an Access Violation breakpoint.

Running a client in debug mode in Visual Studio with the "-opengl" commandline argument will trigger an Access Violation breakpoint. ...

UAIPerceptionStimuliSourceComponent never registers with required senses

UAIPerceptionStimuliSourceComponent::OnRegister tries to remove nulls from RegisterAsSourceForSenses but the condition in RemoveAllSwap is wrong. It should be SenseClass == nullptr instead. ...

Attempting to add a custom Physics Constraint Component class to a project will result in the build failing

Straighten Connection shortcut doesn't work after removing array element pin

If an array element is removed from a make array node, using the shortcut for Straighten Connections has no effect until after the Actions menu is opened via right-click then closed. ...

FGenericPlatformMemory::OnOutOfMemory should be broadcasting GetOutOfMemoryDelegate instead of GetMemoryTrimDelegate

[CrashReport] UE4Editor-Renderer!FMaterialShader::GetShaderBindings(FScene const *,ERHIFeatureLevel::Type,FMaterialRenderProxy const &,FMaterial const &,FMeshDrawSingleShaderBindings &) [ShaderBaseClasses.cpp:379]

Generated from CrashReporter ...

Using the ServerTravel console command with a physics vehicle present will trigger an assert.

Using the ServerTravel console command to switch to a different level while a physics vehicle is in the current level will trigger an assert. ...

[CrashReport] UE4Editor_Engine!FRepLayout::InitFromObjectClass() [replayout.cpp:2211]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Property->Proper ...

SubInstance AnimInstances may not be updated in all necessary places inside SkeletalMeshComponent

After scanning through SkeletalMeshComponent, it looks like there are several places where AnimInstance is updated but SubInstances are not. This can potentially cause states to get out of sync, and ...