Importing skeletal mesh with LODs and uniform scaling results in multiplicative scale per additional LOD

Tools - Feb 22, 2017

Here's a quick chart showing the current multiplicative pyramid style scaling that's occurring.Import ScalingLOD0LOD1LOD2LOD32.0248160.50.50.250.1250.06255.0525125625 ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

UE - Rendering Architecture - RHI - Jul 31, 2019

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

[Standalone Installer] The binaries for Mac are missing

UE - Editor - Content Pipeline - Datasmith - Installers - Mar 1, 2022

[AI] SmartObjectSlot does not have a valid node ref even when it should project to navigation.

UE - AI - SmartObject - May 17, 2025

If you request a SmartObject slot entrance location and require it to be navigable, it will return a result that does not include the node ref of the nav poly for the entrance to the slot. Instead i ...

Compiling on Mac fails if build path has spaces

UE - Platform - Apple - Jan 6, 2015

UPDATE: We were able to get around this issue by renaming our external drives. The actual problem is that Mono's xbuild fails to build UnrealBuildTool QA REGRESSION: YesWORKING: 2386770BROKEN: 23 ...

Regression in reroute node alignment, causing them to no longer line up with any wires

UE - Gameplay - Blueprint Editor - Jun 2, 2017

The change to make the grab handle a uniform size in CL# 3319966 changed the distance from the top of the node to the pin, which breaks a part of their primary purpose, to soothe OCD misalignment is ...

Imported Materials Are Not Assigned To Correct Element Index Based Off Mat ID (3dsMax)

UE - Editor - Content Pipeline - Import and Export - Nov 17, 2016

When importing a mesh with material IDs from 3dsMax they will get assigned to different element numbers than intended. This worked 4.13.2 Binary CL 3172292 Is Broken in 4.14 Binary CL 3195953 ...

Specular Highlight Much Stonger/Larger In Forward Shading

UE - Graphics Features - May 15, 2017

In forward shading specular highlights appear to be much larger for very smooth materials in contrast to the deferred shader. In 4.14.3 the specular highlights were displaying correctly in forward s ...

Decals not captured in environment reflections

UE - Graphics Features - May 2, 2019

Decals are not being captured by environment reflections. Last working in 4.20.3 ...

USplineComponent::GetSplinePointAt() returns FSplinePoint with incorrect Type

UE - Gameplay - Components - Feb 15, 2024

USplineComponent::GetSplinePointAt() returns an FSplinePoint with the ESplinePointType 'CurveCustomTangent' rather than the type from the setup.Expected: It should return the correct type. ...