Unreal Engine Issues
Unreal Engine Issues
4.22.1 Crash in FVulkanResourceMultiBuffer::Lock
UE - Rendering Architecture - RHI - Jul 31, 2019Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...
Pivot Offset for grouped objects resets to another objects offset
Tools - Sep 19, 2019Grouping objects with individual pivot offsets causes a new offset location to be selected after manipulating the groups rotation or translation. ...
Engine crashes when trying to copy a setter node for a GameplayTag variable from one eventgraph to another eventgraph
UE - Gameplay - Sep 27, 2019When trying to copy a setter node for a GameplayTag variable from one eventgraph to another eventgraph the engine crashes. If the blueprint that is copied into has a GameplayTag variable with the sa ...
Widget Components Add Thin Black Outlines to Images
UE - Editor - UI Systems - Dec 13, 2019When a slate element that uses a png with a transparency the edges have a black outline. When the Widget3DPassThrough material is applied to the widget the effect is lessened, but is the outline sti ...
USpringArmComponent::UpdateDesiredArmLocation does not update overlaps
UE - Simulation - Physics - Dec 20, 2019Objects attached to a spring arm component, moved by changes to the target length/rotation, do not have their overlaps updated. USpringArmComponent::UpdateDesiredArmLocation calls USceneComponent ...
Digital Human Eyes Don't Look Correct With Ray Tracing Translucency Enabled
UE - Graphics Features - Lumen - Jan 27, 2020The eyes in the Digital Human demo don't look correct with Ray Tracing Translucency enabled in the post process volume. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#111 ...
NavModifierVolume's FailsafeExtent is applied to the wrong area
UE - AI - Apr 16, 2020The FailsafeArea of NavModifierVolume is generated at a different location from the center of the actor when it rotated. This means that the effect of rotation is incorrect. (see attached file) W ...
MoviePipeline skipped frames using Temporal Subsampling + Time Dilation
UE - Anim - Sequencer - Jun 30, 2020The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...
If Material is not overridden, Material will not be exported correctly.
UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 4, 2021This is because FFbxExporter::ExportStaticMeshToFbx() does not correctly determine the OverrideMaterials. Therefore, the following code will not pass.else { Material = StaticMesh->GetMaterial(P ...