Unreal Engine Issues
Unreal Engine Issues
Water Brush incorrectly captures rivers with non-square landscape resolution
UE - Graphics Tools - Terrain - Landscape - Aug 8, 2024The adding of terrain tiles eventually results in a reallocation of the landscape and something becomes de-synchronized between the water system and the landscape system resulting in the deformation ...
Lightmap UV generated on Windows and Mac is not deterministic
UE - Graphics Tools - Modeling Tools - Aug 7, 2024MemReport does not seem to respect mesh streaming
UE - Rendering - Architecture - Aug 6, 2024The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...
Screen Probes and Specular Firefly Flickering near screen edges
UE - Rendering - Graphics Features - Lumen - Aug 6, 2024Lumen's rough specular indirect lighting buffer can have fireflies along the bottom and right edges of the screen. Also tested in //UE5/Main, CL: 35177423 ...
Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()
UE - Gameplay - Aug 6, 2024In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...
Issue with Landscape Layer Blending Node compile in UE 5.4.2
UE - Graphics Tools - Terrain - Aug 2, 2024When the SetMaterialAttributes Material Expression is used without an input to MaterialAttributes, it will cause Landscape Layer Blend expressions to fail to compile if it is the only layer on a par ...
Levels can get stuck in the 'loading' state when using Incremental GC
UE - World Creation - Worldbuilding Tools - Jul 31, 2024From licensee:"Testing incremental GC on our project we have ran into an issue with level streaming where levels will get stuck in the 'loading' state in packaged builds. The issue appears to be due ...
Foliage breaking when used Sublevels into a Persistent Level
UE - World Creation - Worldbuilding Tools - Foliage - Jul 31, 2024Duplicating an imported socket wrongly displays the duplicate as also imported
UE - Graphics Tools - Modeling Tools - Mesh Editing - Jul 31, 2024The duplication of an imported mesh wrongly marks it as also imported from the source mesh. The probable cause is data duplication without taking this edge case into account. I suggest checking Unr ...