Unreal Engine Issues
Unreal Engine Issues
UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers
UE - CoreTech - UObject - Jun 9, 2020UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...
Right click editor/Slate windows blackout after a while of repeatedly clicking them.
UE - Editor - UI Systems - Slate - Jun 8, 2022Licensee video of the issue here - [Link Removed] This can be worked around with this setting: [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...
Unable to select object when using DistanceToNearestSurface node for Opacity Mask in Masked Material
UE - Rendering Architecture - Materials - Mar 6, 2023From observations, this seems to be related to how the mesh selection works, and may be making the pixel under the mouse masked away. Adding a value >= 0.5 between the clamp and the Opacity Mask out ...
Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters
UE - Editor - UI Systems - UMG - Jul 14, 2023When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...
The "Make Static Mesh" feature for skeletal meshes does not account for disabled mesh sections.
UE - Anim - Rigging - Skeletal Editor - Dec 11, 2024The licensee was not able to make static meshes with the correctly disabled sections from a skeletal mesh in the current implementation of the "Make Static Mesh" button in the editor. They have prov ...
RootMotionModifier_SkewWarp bug
UE - Anim - Gameplay - Mar 6, 2025In /Game/ABPLinkingShowcase/Blueprints/Pawn_ABPLinkingCharacter: The character mesh’s root location is lower than the capsule’s lowest point. This is what causes the issue. Based on the event graph, ...
UPoseAsset::SetBasePoseName() always sets INDEX_NONE
UE - Anim - Runtime - Apr 11, 2025UPoseAsset::SetBasePoseName() does not correctly set the BasePoseIndex when a valid pose name is provided. Regardless of input, the pose defaults back to ReferencePose. Upon inspection of the implem ...
Auto Exposure Compensation Curve issue when switching from Manual to Histogram
UE - Rendering Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Manual toHistogram, the exposure level resets and takes time to settle. The Licensee has a proposed code change that would fix this issue. Als ...
GeometryCollection clustered by ClusteredGroupIndex does not respect child's gravity setup
UE - Simulation - Physics - Mar 7, 2024Following code works as a workaround void FClusterUnionManager::HandleAddOperation(FClusterUnionIndex ClusterIndex, const TArray<FPBDRigidParticleHandle*>& Particles, bool bReleaseClustersFirst) ...
Pressing the "Show Inactive" button in the material instance editor did not display groups that did not contain the active parameter
UE - Rendering Architecture - Materials - Aug 1, 2024When pressing the "Show Inactive" button in the material instance editor, all material parameters are supposed to be displayed in the EditorUI. This is not the case, only some of the parameters are ...