Unreal Engine Issues

Nanite Voxel material with Static Lighting fails shader compile when r.VelocityOutputPass=1

Engine/Shaders/Private/Nanite/NaniteVertexFactory.ush:959LightMapCoordinateInput = GetTexCoord(Cluster, uint3(Verts[0].VertIndex, Verts[1].VertIndex, Verts[2].VertIndex), Barycentrics, LightMapUVInd ...

UMG ListView doesn't propagate OnItemSelectionChanged events to its items

"When using a UMG ListView widget, there seems to be two ways to be notified of item selection changes. An event on ListView which fires when the selection state of any item changes, and an event on ...

.ini files for packaged games have their settings wiped clean every time the game is run.

The settings .ini files for games packaged for windows appear to be getting overwritten with blank files whenever the game is run. Even if settings are added to the .ini files manually, the files be ...

Crash pressing Ctrl+Tab on Project Browser

REGRESSION: No, occurs in 4.15 as well Crash occurs when press Ctrl+Tab when the Project Browser is open. I did not crash if I tried this when in the editor itself. ...

Property "GameFeatureData.PrimaryAssetTypesToScan.Directories" should be tagged with "ForceShowPluginContent"

When using a Game Feature Plugin, one of the settings available in the "GameFeatureData" DataAsset (class UGameFeatureData) is "PrimaryAssetTypesToScan", which is an array of FPrimaryAssetTypeInfo s ...

Memory Leak When Raytracing Enabled with Specific Rendering Settings

When a shipping build is packaged using specific rendering settings a memory leak can be observed. The licensee has noted that this leak presents as a 10MB per hour increase in RAM usage. It has a ...

Exporting a spawnable through Python doesn't work

Set Editor Property node no longer works with Material Instances in UE5

This is a Regression. Using an Editor Utility Widget to set properties on materials via Set Editor Property doesn't work in UE5 as it did in UE4. ...

Possible bug with GAOGlobalDistanceFieldCacheMostlyStaticSeparately

The Global Distance Field can constantly update, even when the camera is stationary, in large World Partition maps. This bug requires a large amount of the World Partition map to be loaded to reprod ...

Editor crash when saving a level instance in a folder with the same name as the level