Unreal Engine Issues
Unreal Engine Issues
Generate Project files does not add Intellisense include paths for .generated.h files
UE - Foundation - Cpp Tools - UnrealHeaderTool - Jul 23, 2018Attempting to open a .generated.h file using intellisense results in an error due to the file not being found as the proper search file paths were not added when generating the project files. Pleas ...
ARKit GetCurrentFrame crashes app
UE - Platform - XR - Aug 22, 2018Using "GetCurrentFrame" crashes app. "The crash is due to the default constructor of FAppleARKitFrame being called by the above mentioned blueprint function. That constructor fails to initialize fi ...
Report of branching point notifies failing to trigger
UE - Anim - Runtime - Nov 15, 2021The problem seems to come from a notify having its LinkedMontage set to null when RefreshBranchingPointMarkers() is called. IsBranchingPoint() fails in this case, so it's never registered as a branc ...
Uniform scaling in the viewport not working as expected when additive mode is enabled
UE - Editor - Workflow Systems - Apr 2, 2022The uniform scaling does not work as expected Repro Steps: 1) Add a cube to a level 2) Set the scale (X = 16, Y=9, Z=9) 3) Click the Lock icon to activate the Uniform Scale feature 4) In the viewpor ...
Landscape nanite height mismatch
UE - Graphics Tools - Terrain - Landscape - Oct 17, 2023From licensee: The height of Nanite rendered landscape does not match the height of non-nanite landscape. The error gets worse if you increase the Z Scale of the landscape actor. Our project rec ...
Editor Freezes after the user attempts to set a NewSpriteAtlasGroup to an imported sprite
UE - Gameplay - Paper2D - Apr 19, 2023By setting an Atlas Group to a newly created sprite, the editor freezes. This feature is most important, even if this issue can only be reproduced by a minority of users. Repro rate: 5/5 Notes:No ...
[Mootools Bug] SKP Import - Applied texture maps from previous Twinmotion versions are lost after reimport in TM 2025.1.1
TM - Interoperability - May 8, 2025Reported in SF [Link Removed] For SKP imports that were added to a file in a previous version of Twinmotion, when the .tm file is concerted to and opened in TM 2025.1.1, if the SKP model is re-impo ...
Datasmith & mikktspace tangent cause entities to glow with lightmaps
UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 22, 2019The steps above are reduced to their simplest expression. I appears that several customers complained about lightmap baking resulting in glowing objects. This typically happens on interior door fr ...
It's possible to create a locked state on a rigidbody by creating a TransientField that will keep the rigdbody Sleeping even after it leaves the Field's area of influence
UE - Simulation - Visual - Sep 5, 2024The licensee found a way to lock the state of a rigidbody as PBDRigid->ObjectState() == EObjectStateType::Sleeping by subjecting it to a particular transient field composed of a RadialFalloff and a ...
Root Motion (RMFE) - Blend with cached pose causes inaccurate root motion
UE - Anim - Gameplay - May 28, 2015With Root Motion From Everything enabled, a Blend node gives different results when feeding it Animation Sequences directly or when first using a Cached Pose. *Simple test project attached Two sce ...