Unreal Engine Issues
Unreal Engine Issues
Landscape Far Shadows Interfere With Distance Field Soft Shadows
UE - Graphics Features - Mar 5, 2019Landscape far shadows are interfering with the distance field soft shadows causing a conflict, and stopping the distance field soft shadows from rendering at all. Working as expected in 4.20 CL# 43 ...
Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked
UE - Anim - Sequencer - Oct 15, 2019When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...
When importing Destructible Mesh chunks, the imported chunks are larger than the Mesh
UE - Simulation - Physics - Destruction - Mar 6, 2020The Imported Destructible Mesh chucks are not to scale when compared the original mesh and appear much larger. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.24.3 (CL ...
Ray traced shadow sample settings greater than 1 cause shadow artifacts
UE - Graphics Features - Lumen - Sep 23, 2020Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...
Blueprint Editor Show Grid does not toggle the grid in the viewport
UE - Editor - Workflow Systems - Oct 28, 2020The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...
Enabling Window Animations causes drop down menus to flicker and be displaced
UE - Editor - UI Systems - Slate - Mar 10, 2021I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...
"PivotPainter_PerObjectData" node's "Random Value Per Element" output crashes with an assertion when used with a "Cross" node
UE - Rendering Architecture - Materials - Jan 31, 2022This is a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0 CL18747223 GitHub When using the Random Value Per Element from a PivotPainter_PerObjectData with a Cross nod ...
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 ...