Unreal Engine Issues
Unreal Engine Issues
3D Grass may not appear in Path Tracer renders
TM - Rendering - Sep 19, 2025Reported in SF [Link Removed] Path Tracer renders of images with 3D grass may not display 3D grass in the foreground of an image. The 3D grass material will not appear or may appear to cut off at s ...
Widget "Listen For Input Action" executes on unexpected input event
UE - Editor - UI Systems - Feb 19, 2020Listen For Input Action firing erroneously. Confirmed in 4.26 MAIN @ CL 11536993 ...
Particle disappears if it is using PSA_Velocity and setting custom time dilation 0
UE - Graphics Features - Dec 7, 2016A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...
Keyboard shortcuts are not responding in Persona
OLD - Anim - Jan 12, 2017Some keyboard shortcuts are not working in Persona. Seems like the anything that is inputted under Animation in the keyboard shortcuts are not working as expected. The only shortcut that seemed to ...
Transform does not update after first time for Instance Static mesh in Blueprint Editor
UE - Gameplay - Blueprint Editor - Mar 2, 2017In 4.15 When you update the transform of an instance static mesh a second time the editor does not update the location, to get the update to display correctly you must close and re-open the blueprin ...
Sphere Trace incorrectly reports actor's location
UE - Simulation - Physics - Mar 15, 2017When a sphere trace extends from an actor, if the sphere radius is large enough and/or the actor is close enough to one of the actors hit by the sphere, the reported hit location will be the same as ...
Add option to instance the subsequences from the master sequence
UE - Anim - Sequencer - Mar 24, 2017https://udn.unrealengine.com/questions/353493/creating-subsequence-from-the-master-sequence-sett.html Add option to instance the subsequences from the master sequence. For example, if you want to c ...
Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set
UE - Gameplay - Blueprint - Jun 14, 2017When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...
Package fails to load due to EditorOnly data when launched onto Mac or Windows
UE - Foundation - Core - Jun 28, 2017LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...
Code based FPostProcessSettings variables are not displayed properly in the editor
Tools - Sep 6, 2017When a variable of FPostProcessSettings is created, the variable itself is missing in editor with the actual post process settings fully expanded instead. Additionally, the fully expanded settings ...