Unreal Engine Issues
Unreal Engine Issues
LevelSequenceActor sequencer loaded with DataLayer does not progress track when played
zComponent - Archive - Nov 1, 2023In UE5.2, there seems to be a problem with the initialization of the reloaded LevelSequenceActor. SequencePlayer->Initialize is not called in ALevelSequenceActor::InitializePlayer() and Tick regist ...
Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled
UE - Rendering - Features - Shading Models - Jan 10, 2025As per the steps to reproduce, the Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled. Leaving "Use Parameter Blending" unchecked on the ...
[Level Instances] Editor Actor Folders does a full refresh after any LI is loaded, leading to wasted time when bulk loading LIs for a given WP region load
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 26, 2025From Licensee: We discovered a pretty big performance hit in editor when loading level instances for a world partition map, specifically: EditorActorFolders.cpp:FActorFolders::OnAllLevelsChanged() ...
Point Lights Invlidate Virtual Shadow Map Cache when at a distance from attenuation radius
UE - Rendering - Graphics Features - Oct 28, 2025When the camera is outside of a certain distance from a point lights attenuation radius the VSM of that point light stops caching shadow maps. This can also be reflected in the output from the 'r.S ...
Component tags do not register on actors
UE - Gameplay - Oct 30, 2015Component tags do not register when checked within blueprints. ...
Asset Override Editor does not have vertical scrollbar until window is resized
OLD - Anim - Oct 22, 2015If a child anim blueprint has enough animations to go beyond the view of the asset override editor, the override editor will not show a vertical scrollbar until the window is resized. ...
All additional Body Parts are hidden if main mesh is out of camera frame in Persona
OLD - Anim - Aug 18, 2015If you have a small main mesh and use the "Additional Body Part" section of Persona to preview other meshes, they become hidden if the main mesh is out of the camera frame. [NameRemoved]: Can we ju ...
Adding rotation to a bsp breaks extrusions
UE - LD & Modeling - Modeling Tools - BSP - Aug 24, 2015Adding Rotation to a bsp breaks future extrusions, causing them to incorrectly render. ...
Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam
UE - Gameplay - Jun 24, 2015Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...
High Resolution Screenshot in Orthographic Unlit Mode Does not Capture Correctly
UE - Graphics Features - Jun 3, 2015When taking a high res screenshot of an object in orthographic view in 'Unlit' mode, the object size in pixel is the same no matter the resolution multiplier. For instance if you set it to 10.0 th ...