Unreal Engine Issues
Unreal Engine Issues
Refraction does not display properly on Android devices
UE - Platform - Mobile - Apr 2, 2019A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...
Animation Sharing Plugin Removes Mesh Collision
OLD - Anim - Jun 11, 2019The referenced documentation does not state anywhere about collision being affected by animation sharing nor is the user expecting it to be affected. Even when the Collision Preset is overridden to ...
SetActorEnableCollision does not affect Destructible meshes
UE - Simulation - Physics - Destruction - Jan 4, 2016Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...
Duplicated Blueprint Causes Incorrect Target for Events
UE - Gameplay - Blueprint - Oct 15, 2015Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...
UMG Widgets containing child widgets that have bound animations fail to save
UE - Editor - UI Systems - Jan 10, 2020Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...
UUserWidget::SetPositionInViewport does not function as intended
UE - Editor - UI Systems - Oct 15, 2018The Set Position in Viewport node does affect UserWidgets position. It keeps it 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4465720), 4.22 (CL - 44654877) ...
SunTemple scene does not update properly on iPhone 6S
UE - Platform - Mobile - Jul 18, 2017On the 6S, the SunTemple scene is almost unresponsive. As the player uses the thumbsticks, the lightmaps from the windows rotate to mach the player's movement; but they are the only thing. This doe ...
Editing values in ReverbMasterSubmixEffect causes crash
UE - Audio - Nov 7, 2019Adding and removing Submixes at runtime, then editing the preset causes the editor to crash. Tested in 4.22.3 (CL - 7053647), 4.23.1 (CL - 9631420), 4.24 (CL - 1050688), 4.25 (CL - 10069288) ...
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
Upgrading project results in loss of game input
UE - Gameplay - Input - Jan 7, 2020Upgrading a marketplace creator's project to engine version 4.23.1 and above results in loss of (previously) working functionality with game input. ProjectDownload: [Link Removed] Tested in: 4.2 ...