Unreal Engine Issues
Unreal Engine Issues
The editor crashes during PIE when using the DemoPlay feature
UE - Networking - Dec 9, 2014The editor crashes during PIE when using the DemoPlay feature. Crash Report: [Link Removed] ...
Crash in FTickFunction::RegisterTickFunction
UE - Gameplay - Jan 31, 2017Per https://udn.unrealengine.com/questions/319627/uworldspawnactor-with-template-parameter-causes-cr.html ...
Suspended cloth animation is not animating properly
UE - Simulation - Physics - Character - Apr 24, 2017The hanging cloth in TM-SuspendCloth is animating, but does not look like it is animating fully. I have attached the expected animation that was found in the test. ...
When collision tracing a StaticMesh with ComplexCollision, trace penetration occurs
UE - Simulation - Physics - Sep 13, 2017In the attached project, collision tracing is performed for StaticMesh of SimpleCollision and StaticMesh of ComplexCollision at the level. Trace is done from sphere trace from BP. At this time, trac ...
Parser drops Braces unexpectedly when copy pasting Nodes
UE - Foundation - Core - Jun 19, 2018InString with Curly brackets are copied to clipboard as DefaultValue="\"{Hello}\"", and the pasted result does not include the Curly brackets. "Brace drop itself is happening in FParse::Li ...
Black screen on mobile at start app when not using startup movie or preload screen
UE - Platform - Mobile - Feb 13, 2019Some bones are not removed even when registered in "Bones to Remove"
UE - Anim - Runtime - Mar 22, 2020The difference between "testbone" and "testbone2" is only whether there is "joint7" Skinning itself has been properly ruled out. However, it can be confirmed by attaching a socket etc., but the bo ...
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. ...