Unreal Engine Issues
Unreal Engine Issues
SceneColor in surface material ignores translucent objects
UE - Graphics Features - Sep 22, 2017Translucent meshes and particles behind an actor who's surface material uses SceneColor node are not rendered properly. Changing the view angle of the camera causes the translucent meshes to "pop" ...
Selection outline not visible when actor is selected on certain AMD GPUs
UE - Graphics Features - Apr 18, 2017When selecting an actor in the viewport, some AMD GPU users are reporting that the selection outline is not visible. Rolling drivers back to 17.1.1 correct the behavior.| Two EngineQA tester have ...
Bright Flickering or Black Squares with Rectangle Lights Intersecting Meshes
UE - Graphics Features - May 31, 2024Rect Lights that intersect geometry can produce NaN pixels in SceneColor, which will affect bloom, FXAA, and other future passes. This can lead to large visible artifacts. The NaN values are produc ...
Anim notify gets skipped when clips are placed next to each other
UE - Anim - Sequencer - Jan 12, 2017If a sequence has two clips(of a same animation) placed next to each other, some of the anim notifies do not seem to be called. In 4.14, the middle notifies are skipped (e.g. notifyBegin/1st clip ...
When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly
UE - Rendering Architecture - Nov 29, 2023Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...
Checkboxes appearing with hidden EditCondition variables
Tools - Jun 12, 2017When a public uproperty variable has the meta specifier EditCondition set to respond to a private boolean, a checkbox appears next to the public variable in blueprints. While the checkbox accurately ...
Removing blueprint function does not remove graph nodes of the function
UE - Gameplay - Blueprint - Sep 13, 2017When a function in a blueprint (BP created or BlueprintCallable from code) has nodes calling that function in the event graph, deleting the function entirely does not remove the nodes that already e ...
Build fails due to potential divide by 0 error
UE - Graphics Features - Sep 29, 2017Shipping builds of the Engine fail when using the Visual Studio 2017 compiler due to a potential divide by 0 error. This is because the TotalColumnSize property of SMemoryStats is set to 0 by defaul ...
Foliage Not Updating to Match New Landscape Height After Level Save-As
UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...
ShadowProject gpu performance regression from Aftermath
UE - Graphics Features - May 9, 2017The issue was originally noticed between 4.15.1 and 4.16 Preview, but now appears to have regressed between 4.15.1 and 4.15.2. ...