Unreal Engine Issues

"Current state is a conduit and will reset to ref pose" warning when using a conduit to select an entry state

AnimBlueprintLog: Error: Current state is a conduit and will reset to ref pose. This can happen if a conduit is an entry state and there isn't at least one valid transition to take. State Machine(Te ...

No Editor Audio on Linux when using ALSA

No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...

MapCheck warnings when opening a map using landscape override material

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Global SkyAtmosphere and Clouds Issues (Ambient Light)

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...

Level will crash if Landscape material layer can't find LayerInfo file.

Artist had problem open his level after LayerInfo file was deleted ...

[CrashReport] UE4Editor_VulkanRHI!VulkanRHI::VerifyVulkanResult() [vulkanutil.cpp:357]

This is a low frequency crash that has occurred since at least 4.14 User DescriptionsStarted with vulkan.. crashed immediately.Activated vulkan, and moved around. Only that.I imported a 3d model in ...

FKConvex::ElemCalcAABB ignoring current transform.

FKConvexElem::CalcAABB was ignoring the elements currently defined transform, and only scaling. This means that any actor that has a transform (not just Merge Actors) could potentially have very dis ...

Unreal Header Tool can sometimes fail if an Engine plugin is Enabled By Default and has the "Program" Module Type set

An Engine plugin with the Program module type and EnabledByDefault set to true can cause the Engine to fail to build successfully due to UHT failing. I was only able to reproduce this behavior using ...

On Hit Events are inconsistent/inaccurate when using Substepping most notably at lower frames per a second

This is a regression Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary Under the same conditions in UE4 the On Hit events fire accurately and as expect ...