Unreal Engine Issues

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

iOS/tvOS fails to build from source editor built with Xcode 9.3, macro expansion producing 'defined' has undefined behavior

Trying to launch on or package for TVOS or iOS from a source build of Mac or Windows will fail with errors:[2018.04.02-16.35.08:522][634]LogPlayLevel: In file included from /Volumes/Storage/GitHub ...

[CrashReport][GPUCrash] UpdateRadianceCaches

#13 crash out of 3051 in UE 5.7.3 on Windows#3 crash for UE - Rendering - Graphics Features in UE 5.7.3 on Windows#3 crash for UE - Rendering - Graphics Features - Ray Tracing in UE 5.7.3 on Windows ...

Refraction does not display properly on Android devices

A 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

The 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

Setting 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

Duplicating 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

Adding 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

The 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

On 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 ...