Ray Tracing Translucency - Sample settings have no effect

UE - Graphics Features - Lumen - Oct 15, 2020

Ray tracing translucency samples per pixel settings have no visible effect.  Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...

Crash when using automated groom import

UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021

UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

UE - Gameplay - Input - Nov 21, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...

The square wave oscillator is silent in the modular synth component

UE - Audio - Nov 21, 2022

Reproduced 3/3 times. Issue does not occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Note that Sound can be heard when Osc types are set to anything else besides Square, or ...

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Negative scale causes green gradient and invisible if not selected

UE - Editor - UI Systems - Aug 20, 2014

BRANCH: //depot/UE4/Promotable-CL-2254785 CHANGELIST: 2254785 BUILD TYPE: P4 PLATFORM: Windows DESCRIPTION: Scaling widgets in UMG into a negative values (right < left) causes them to appear as a g ...

Netshowcorrections not showing corrections

UE - Gameplay - Player Movement - Feb 27, 2020

Very few net corrections are displayed when using p.NetShowCorrections. Note: The attached image shows the results using the same settings in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.23.1 CL#96314 ...

Static lighting isn't bouncing when using Layered Materials

UE - Graphics Features - Lumen - Aug 13, 2020

Static lighting will not bounce on the ceiling when using a Layered Material. The Material Attributes Layers node is used which doesn't appear in 4.24.3 so this isn't a regression. This was report ...

Composite Decorator Graph nodes are not updating titles when changes are made to the properties of a node

UE - AI - BehaviorTree - May 5, 2022

Composite Decorator Graph nodes are not updating titles. Upon closing and reopening the Composite Decorator Graph, the nodes do refresh to their properly set title. Repro Rate: 3/3 Tested this in ...

Some fractured meshes do not retain their original normals after fracture

UE - Simulation - Physics - Destruction - May 6, 2022

Fractured meshes with weird Normals/Reflections. You will see weird normals / reflections on the surface, seems each fracture piece has it's own reflection angle. Repro rate: 3/3 Tested this in // ...