Unreal Engine Issues
Unreal Engine Issues
NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters
UE - Networking - Nov 7, 2014Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...
Suspend Clothing Simulation doesn't work when running from Construction Script
UE - Simulation - Physics - Character - Jan 5, 2017If the user sets up Suspend Clothing Simulation in the Construction Script of a blueprint, it will not work when playing. It will work if setup in the Event Graph on Begin Play. ...
Importing skeletal mesh with LODs and uniform scaling results in multiplicative scale per additional LOD
Tools - Feb 22, 2017Here'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, 2019Vulkan 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, 2025If 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, 2015UPDATE: 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 ...
Imported Materials Are Not Assigned To Correct Element Index Based Off Mat ID (3dsMax)
UE - Editor - Content Pipeline - Import and Export - Nov 17, 2016When 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 ...
Decals not captured in environment reflections
UE - Graphics Features - May 2, 2019Decals 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, 2024USplineComponent::GetSplinePointAt() returns an FSplinePoint with the ESplinePointType 'CurveCustomTangent' rather than the type from the setup.Expected: It should return the correct type. ...