Remote standalone build of a project fails due to incorrect path to project's Info.plist file

UE - Foundation - Cpp Tools - Automation Tool - Sep 17, 2018

Attempting to use UAT on Windows to remotely create a standalone build of a project for Mac fails in 4.19. The error message indicates that it cannot find part of the path to the project's Info.plis ...

AnimDynamics does not accurately reflect the wind direction when SimulationSpace is set to something other than Component

UE - Simulation - Physics - Sep 3, 2019

The processing related to WindDirection in AnimDynamics( in FAnimNode_AnimDynamics::PreUpdate ) does not consider other than ComponentSpace.// Setup wind data Body->bWindEnabled = true; Scene->Get ...

Masked areas render as black if material uses any virtual texture

UE - Graphics Features - Jun 9, 2021

Masked materials that sample virtual texture don't function correctly. They render black instead of masked. This happens when there is no depth pre pass enabled. Automatically enabling depth pre p ...

Using High Resolution Screenshot while the viewport is in Full Screen causes massive performance issues after the screenshot is successfully taken until the Editor is restarted

UE - Graphics Features - Jan 6, 2022

This is a regression. Maybe Binary only if it hasn't already been fixed. Tested in:StreamCLTypeResults//UE5/Main18386535PerforcePerformance is normal after screenshot//UE5/Main18218925Perforce Per ...

Ragdoll Physics Assets Move Sporadically After Ragdoll Physics Event Invoked

UE - Simulation - Physics - Character - May 3, 2022

Occurs 3/3 times. Skeletal mesh with ragdoll physics applied exhibits sporadic motion after ragdoll physics is initiated.  Regression does occur: When tested in //UE4/Release-4.27.2 @ CL18319896 n ...

Movie Scene Capture - DX12 Render Artifacts and Delay

UE - Rendering Architecture - RHI - Jun 19, 2023

If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts.   However, the delay and artifacts do not appear when using ...

Debug display of TargetingSelectionTask_AOE with cylinder is unnaturally tilted

UE - Gameplay - Gameplay Ability System - Oct 30, 2024

The following code fixes the tilt : void UTargetingSelectionTask_AOE::DebugDrawBoundingVolume(const FTargetingRequestHandle& TargetingHandle, const FColor& Color, const FOverlapDatum* OverlapDatum) ...

Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.

UE - Graphics Tools - Modeling Tools - Jan 15, 2025

Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...

GLTFExporter indexing issue

UE - Editor - Content Pipeline - glTF - May 29, 2025

Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...

Soft angular constraints solve velocity like hard constraints

UE - Simulation - Core - Jul 17, 2025

Soft angular constraints are solving velocity like hard constraints. Instead of swinging back and forth, the affected body just snaps to 45 degrees. Check the steps to reproduce for more details. Th ...