Unreal Engine Issues
Unreal Engine Issues
Unable to build a local installed build of the Engine with only VS 2017
UE - Foundation - Core - Oct 17, 2017I was unable to reproduce this locally, but a licensee reported having trouble creating a local installed build of the Engine with only Visual Studio 2017 installed. The licensee reported that the S ...
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateUniformBuffer() [d3d11uniformbuffer.cpp:218]
UE - Graphics Features - Jun 12, 2018No user comments in crash group 208 check(Layout.ResourceOffsets.Num() == NumResources); 209 210 for (int32 i = 0; i < NumResources; ++i) 211 { 212 ...
Blueprint processing is heavy in PIE since 4.26
UE - Gameplay - Blueprint - Feb 17, 2021As the attached image shows, there is no problem in 4.25.4, and the process is noticeably slower in 4.26.1. Also, there is no problem in Standalone. The problem occurs only in PIE. ...
Instance overlap functions for Foliage Instanced Static Meshes detects instances inconsistently
UE - World Creation - Worldbuilding Tools - Foliage - Apr 14, 2022Instance overlap functions for Foliage Instanced Static Meshes detects instances incorrectly. I was able to see this occur with both the Sphere and Box functions. In addition, I drew out debug sphe ...
VR Trackpad Axis Values 0
UE - Platform - XR - Dec 16, 2019Trackpad Values return 0 Additionally: I also observed that the Go's trigger is registering as Trigger MotionController (R) Facebutton 1 and that previously there were MotionController (R) Thumb ...
Hidden Shadows Aren't Rendered When Raytracing Is Enabled
UE - Graphics Features - Lumen - Mar 13, 2020Hidden shadows aren't rendered when ray tracing is enabled. Found in 4.25 Preview 2 CL#12055273 Reproduced in 4.23.1 CL#9631420, 4.24.3 CL#11590370, 4.26 Main CL#12123513 ...
ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes
UE - Rendering Architecture - Materials - Sep 6, 2021The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...
Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package
UE - Simulation - Physics - May 4, 2022Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package. This does NOT occur if you play in editor. Repro Rate: 4/4 Teste ...
Source Won't Build - UnrealInsightsCLI.cpp References Missing Header
UE - Foundation - Core - May 11, 2020Line 9 in https://github.com/EpicGames/UnrealEngine/blob/4.25/Engine/Source/Programs/UnrealInsightsCLI/Private/UnrealInsightsCLI.cpp is '#include "TraceServices/SessionService.h" which used to be lo ...
Linked animation graph doesn't trigger anim notifications on dedicated server.
OLD - Anim - Jun 15, 2020Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...