Unreal Engine Issues
Unreal Engine Issues
STAT_AI_BehaviorTree_InstanceMemory is sometimes wildly inaccurate
UE - AI - Jun 10, 2020From the UDN thread: Turns out this is caused by the way this stat was implemented for the FBehaviorTreeInstance struct: 1) You call IncMemoryStats on construct, before the struct is populated with ...
Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing
UE - Graphics Features - Lumen - Sep 16, 2020According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...
Negative Play rate in an Anim Sequence added to a Montage Causes timeline to collapse
OLD - Anim - Jan 14, 2015Adding animations with a negative play rate (playing backwards) or modifying existing animations in a montage to have a negative play rate causes the timeline in the montage to "squish" and is no lo ...
Crash upon taking a screenshot on Gear VR
UE - Platform - XR - Jul 13, 2017Using the shot console command or the RequestScreenshot function to take a screenshot in Gear VR causes the app to crash. This was tested on Android-19, ETC-1 configuration, with both Developer Mode ...
[CrashReport] UE4Editor_MeshPaint!FBaseMeshPaintGeometryAdapter::GetVertexPosition() [basemeshpaintgeometryadapter.cpp:70]
UE - Simulation - Physics - Character - Nov 2, 2017This is a trending crash coming out of 4.18, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 57 const TArray<FVec ...
libPhysX3 iOS Bitcode packaging Error with github branch
UE - Platform - Mobile - Mar 13, 2019Unable to package a CPP project with Bitcode enabled "the github branch uses' GitDependencies' which downloads additional files such as the physx file in question which has the problem" mac/Bina ...
Functions containing Unicode characters break nativization on Clang-hosted target platforms.
UE - Gameplay - Blueprint - Sep 15, 2020The UHT boilerplate code that's generated from a converted Blueprint class header file generated from a Blueprint class containing one or more function names with non-ASCII characters will fail to c ...
Mouse is not captured when switching between clients when running PIE
Tools - Mar 14, 2016If the user launches multiple clients with PIE, the mouse will only be captured by the last client launched. If the user Alt+tabs to another window than the mouse will not get captured and they will ...
Building Grass Map toast stays up forever
UE - LD & Modeling - Terrain - Landscape - Apr 11, 2016The Building Grass Maps toast stays up forever when your landscape material does not have a landscape grass output and the landscape option Bake Material Position Offset Into Collision is checked. ...
Building Grass Map toast stays up forever
UE - LD & Modeling - Terrain - Landscape - Jan 13, 2016The Building Grass Maps toast stays up forever when your landscape material does not have a landscape grass output and the landscape option Bake Material Position Offset Into Collision is checked. ...