Unreal Engine Issues
Unreal Engine Issues
Unable to use wrap with or replace with for widget components that are children of an expandable area component
UE - Editor - UI Systems - Sep 29, 2017With the expandable area widget component, you are unable to use the wrap with or replace with for widget components. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...
Materials on deleted children are applied to camera
UE - Gameplay - Blueprint Editor - Nov 28, 2017Materials on deleted children are applied to the camera when inside of an actor blueprint. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions Tested 4.16.3 ...
Enable Per Poly Collision setting in skeletal mesh doesn't apply when adding mesh to level
OLD - Anim - Nov 30, 2017On a skeletal mesh, there is a setting under the Asset Details for "Enable Per Poly Collision". This check box can be checked, but the setting is not kept when the skeletal mesh is added to the leve ...
Spawned particles on the surface of a static mesh in Niagara get offset if the actor is anywhere but the world origin
UE - Niagara - Jun 11, 2018Particles that are spawned using the surface of a static mesh will be offset from the systems placement in the world unless it is at world origin. Working as expected in 4.19 CL# 4033788 Found in ...
Light Function Material with Volumetric Fog Causes Screen-Space Banding
UE - Graphics Features - Jul 12, 2018With a light function being used on a light and volumetric fog enabled if you move the camera around it will cause screen-space banding at the edges of the screen. Found in 4.19 CL# 4033788, 4.20 P ...
Unimplemented Simplygon function causes empty mesh LODs and crashes
Tools - Aug 31, 2018When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...
Translucent Materials Receiving Incorrect Shadows in Forward Shading
UE - Graphics Features - Oct 2, 2018Translucent Materials will receive incorrect shadows in forward shading. This is working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4408769, 4.22 CL# 4413 ...
TimeStretchCurve doesn't work in Animation Montage
UE - Anim - Gameplay - Oct 9, 2018Using a TimeStretchCurve in an Animation Montage doesn't cause it to slow down or speed up when keys are added to the curve. Link to API: [Link Removed] This was reported and tested in 4.20.3 (CL ...
Incorrect Particle Translation When Reactivated
UE - Niagara - Oct 30, 2018When attaching a ribbon particle system to a moving object, undesired/unexpected effects take place when the object moves out of camera view. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# ...
When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation
UE - Anim - Sequencer - Dec 11, 2018When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...