Unreal Engine Issues
Unreal Engine Issues
Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Rendering - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
[AI] Moving navmesh and navbounds to a sublevel results in a level nearly twice the size expected
UE - AI - Navigation - Feb 22, 2023Using World Composition, moving the Navmesh and NavmeshBounds from the persistent level to a sub-level results in the size of the navmesh sub-level being roughly twice the size of the decreased size ...
console command "viewmode lodcoloration" doesn't work in standalone game
UE - Rendering - Jan 4, 2023refer to attached video ...
[AI] Assert leading to crash in FRecastTileGenerator::AddReferencedObjects
UE - AI - Navigation - Dec 9, 2022Licensee has reported a couple cases of an assert happening stemming from FRecastTileGenerator::AddReferencedObjects in a built game. They are limiting the MaxTileGeneratorTasks to 1. The crash occu ...
Switching to very high sample rate audio device on XBox causes crash
UE - Audio - Nov 3, 2022When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...
Invalid Subsurface Scattering Color when using Per Pixel Shading Model and non-default material layers
UE - Rendering - Materials - Sep 27, 2022It appears as though when adding material layers to a material instance that uses the FromExpression shading model, the subsurface color ends up white. If you add a DebugFloat3Values and output it t ...
Root component transform is reset after reparenting an Actor-based BP with a non-native root to a parent with a native root.
UE - Gameplay - Blueprint - May 10, 2022Two conditions for this bug to appear:The new actor class we are re-parenting to overwrites the root component in C++The map is not loaded while re-parenting No current workaround other than to rep ...
Level Variant Bindings are lost when saving level with a different name
UE - Editor - Content Pipeline - Datasmith - May 5, 2022When saving a level, that has a level variant asset in it, with a different name, the bindings within the level variant are broken. ...
Display: Missing cached shadermap for Preview:<MaterialName> in PCD3D_SM5, Default, SM5
UE - Rendering - Materials - May 4, 2022When applying a Landscape Layer Blend of textures to the Material Base Color, the preview does not update or shows black instead of how the material is supposed to look. When you disconnect the lay ...
Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file
UE - Editor - Content Pipeline - Datasmith - Importer - May 3, 2022Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...