Unreal Engine Issues
Unreal Engine Issues
Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)
UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...
[AI] Incorrect collision for USplineMeshComponent
UE - Framework - Apr 15, 2024The collision for a spline mesh can be calculated incorrectly. The issue appears to be when Alpha is out of range when calculating the slice transforms at splice offsets. ...
Setting a poseable mesh component as leader component for a skeletal mesh component causes an access violation.
UE - Anim - Runtime - Jun 11, 2024When a skeletal mesh component's leader component is set to a poseable mesh component, the application will run into an access violation when it tries to update animation curves and morph targets. ...
Imported material is incorrectly tinted when imported via Interchange.
TM - Interoperability - Dec 13, 2023Materials are correct in UE. It is not clear for me why the materials have tint. Possibly a remnant from the DCC. Sketchfab, UE, and Blender displays the materials cortrectly, without the blue tint. ...
Material not compiling due to WorldAlignedTexture connected to multiply
UE - Rendering Architecture - Materials - Jul 23, 2024When a WorldAlignedTexture node is connected to multiply and then to a base color output, the material cannot be compiled, giving an error about an undeclared local variable "Local27". Does not happ ...
GAS: Initial OnRep_SpawnedAttributes from DefaultStartingData clears attribute values for already replicated ActiveGameplayEffects
UE - Gameplay - Gameplay Ability System - Oct 23, 2024Context The property 'DefaultStartingData' in AbilitySystemComponent can be configured from blueprint to spawn default attribute sets. This happens OnRegister. For runtime spawned actors like pawns ...
Rolling ball physics bounces on flat landscape with low fps
UE - Simulation - Physics - Apr 21, 2015It's been reported that using the rolling ball physics on a flat landscape will cause the rolling ball to bounce when it crosses a seam. It does not happen on every single seam, but it happens prett ...
Creating a class derived from Trigger Base or its subclasses fails in editor
UE - Gameplay - Apr 30, 2015Attempting to create a class with the parent set to Trigger Base, Trigger Box, Trigger Capsule, or Trigger Sphere will fail to create the class ...
Selecting Auto Convex Collision crashes the editor
UE - Platform - Linux - Apr 13, 2015In the static mesh editor, choosing the Auto Convex Collision from the Collision drop toolbar and selecting apply will immediately crash the engine. ...
GitHub promoted branch crash on Mac when trying to PIE
UE - Platform - Apple - Mar 17, 2015Attempting to play in editor will cause the editor to crash immediately. ...