Unreal Engine Issues
Unreal Engine Issues
Two Sided Foliage doesn't receive VSM shadow with Opacity 0
UE - Graphics Features - Jan 25, 2024Two-Sided foliage materials with an Opacity of 0 ignore any shadows cast with Virtual Shadowmaps, even in a completely sealed environment. This did not happen in UE 5.1.1 ...
BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.
UE - Gameplay - Blueprint - Dec 22, 2014BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...
Line trace fails to detect Destructible Mesh
UE - Simulation - Physics - Destruction - Jun 15, 2015When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...
Crash with Particle system using Beam data
UE - Graphics Features - Jan 26, 2016Attached to this ticket is a project with an asset that uses a beam type that is causing a crash when trying to open the asset in 4.11 and 4.12 (MAIN). When trying to recreate the asset there is no ...
Small UInstancedStaticMeshComponent::UpdateInstanceTransformById bug
UE - Graphics Features - Nov 20, 2024The call to UpdateInstanceTransform within UInstancedStaticMeshComponent::UpdateInstanceTransformById(..) sends bTeleport in place of bMarkRenderStateDirty that was added as part of Unreal Engine 5. ...
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Adjusting Default Light Settings for Atmospheric Fog causes Crash
UE - Graphics Features - May 2, 2016Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...
Crash when renaming AnimGraph function in AnimBP
OLD - Anim - Apr 17, 2015When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...
Subtraction Node wild card inputs incorrectly assigns Time Span data type when given a Date Time data type
UE - Gameplay - Blueprint - Nov 18, 2021This is a regression //UE4/Release-4.27 has "DateTime - DateTime" and a "DateTime - TimeSpan" node. The subtraction node, with wild card inputs, incorrectly assigns Time Span data type when fed a D ...
Typo in Content Examples Lighting Level
Docs - Samples - Jun 18, 2015User has found a misleading typo in the Lighting Level of Content Examples. Specifically 5.4, the Source Radius = on both examples should be Min Roughness = [Image Removed] Also Reproduced in 4.8 ...