Unreal Engine Issues
Unreal Engine Issues
Landscape is missing its material when running a packaged project on Linux arm 64
UE - LD & Modeling - Terrain - Landscape - Apr 22, 2024From licensee: The project contains a small flat terrain with a basic material attached to it - just a single texture sampler connected to the base color output. Also in the project is a skeletal m ...
ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced
UE - Rendering Architecture - Materials - Apr 16, 2024ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...
World Partition: warnings on editor only actors when running the editor in -server/-game mode
UE - World Creation - Worldbuilding Tools - World Partition - Apr 16, 2024The warning for editor-only actors is unnecessary in these modes where they don't exist. ...
MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset
UE - Rendering Architecture - Materials - Apr 16, 2024When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...
Changing preview mesh appears to affect initial transforms of all control rigs in level viewport
UE - Anim - Rigging - Control Rig - Apr 16, 2024It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport. This seems to be due to the c ...
[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]
UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023Generated from CrashReporter Logs can be obtained via Crash Reporter ...
GPU Crash in Niagara Fluids template when WorldSpaceSize has a component at 0
UE - Niagara - Apr 26, 2024The NiagaraFluids plugin provides several Niagara System templates to use as a starting point for the user's own Systems. The templates in category "3D Gas", such as "Grid 3D Gas Explosion", include ...
Unnecessary warning "LogChaosCloth: Warning: Invalid pattern data. Num pattern indices 0 != Num welded indices"... for all SKM cloth
UE - Simulation - Physics - Character - Apr 26, 2024This warning is technically correct, panel-based cloth is disabled, but it's expected and there's nothing the user can actually do about it. This comes from a UDN. ...
GameplayTagQuery in editor can fail to update to new values or reset after being cancelled
UE - Gameplay - Apr 25, 2024When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...
OnlyTickMontagesAndRefreshBonesWhenPlayingMontages visibility option updates anim instance multiple times
UE - Anim - Runtime - Anim Blueprints - Apr 25, 2024The OnlyTickMontagesAndRefreshBonesWhenPlayingMontages setting added in 5.4 is broken. It only works because it unintentionally forces a second call to UAnimInstance::UpdateAnimation (via RefreshBo ...