Unreal Engine Issues
Unreal Engine Issues
nDisplay is not linking correctly the Camera Components inside the nDisplayConfig.uasset with display viewports when their Projection Policy is set to Camera. This issue appears when a packaged game is launched from the Switchboard as "Packaged Game".
UE - Virtual Production - nDisplay - Jan 27, 2025When launching a packaged game from the nDisplay Switchboard, the nDisplayConfig file fails to link the cameras to the viewports. Inside the log generated by the Switchboard an error is displayed th ...
iOS Metal-based build crashes at launch with sub-levels.
Tools - May 16, 2016Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...
LogHttp:Warning: 0000024E4A050880 Response Header Content - Issue with the Survey
Tools - Feb 28, 2017LogHTTP:Warnings are populating in the output log when the editor opens any project in 4.15.1 This is not occurring in //UE4/Main This is not occurring in 4.14.3 Marking as regression WarningsLo ...
[Device Swap][Crash][Stadia] - Crash changing audio device from 5.1 to stereo
UE - Audio - Mar 10, 2021There's a crash on stadia when changing the audio device from 5.1 to stereo. There's also a related issue where voice chat breaks when changing from 5.1 to stereo. The background is that CL14889950 ...
When PCH is Disabled, Error Occurs in VulkanGenericPlatform.h at Android Build
UE - Graphics Features - Dec 6, 2018If disable PCH in Target.cs, an error will occur when building for Android. The log is as follows. LogPlayLevel: Error: D:/Build/Release-4_21_0/Engine/Source/Runtime/VulkanRHI/Private/Android/../Vu ...
Crash when attempting to change the parent of a material instance constant through editor scripting
UE - Rendering Architecture - Materials - Apr 9, 2025The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...
Linked Anim Graph in Post Process Anim BP does NOT work after remove ControlRig Track
UE - Anim - Rigging - Control Rig - Oct 11, 2022After remove control rig track from the skeletal mesh, Linked Anim Graph in Post Process Anim BP of the SK Mesh does NOT work. This issue can be fixed by the following code.// add #include "Anima ...
ComponentOverlapMultiByChannel with a rotated simple collision PrimComp misses overlap vs. complex collision
UE - Simulation - Physics - Query - Nov 8, 2023UWorld::ComponentOverlapMultiByChannel and internally, the call to FBodyInstance::OverlapMulti, misses overlaps and blocking hits when the PrimComp's (the component used to test overlaps) mesh uses ...
Different Number of Frames imported from the same FBX between UE 4.8 and 4.9
OLD - Anim - Sep 14, 2015Using the same import settings in UE4.8 and UE4.9 will result in a different number of frames of an animation being imported from the same FBX file. If you import the same fbx animation which in M ...
Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo
UE - Gameplay - Jun 4, 2024If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...