Unreal Engine Issues
Unreal Engine Issues
Capsule component renders incorrectly with non-uniform scale
UE - Simulation - Physics - Jan 30, 2025Capsule component renders incorrectly with non-uniform scale because the render uses the minimum between the X and Y values and the collision code uses the maximum between the two. This issue is men ...
Niagara mesh particles invalidate lighting when "Cast Shadow" is enabled with Hardware Ray Tracing enabled
UE - Graphics Features - Lumen - Jun 24, 2025Lumen HWRT, combined with Niagara Mesh Renderer, can cause the Lumen Scene to be reset, resulting in a sudden change to indirect lighting. ...
In-app purchase fail node does not execute properly without network connection
UE - Platform - Mobile - Sep 30, 2015In-app purchase failure nodes do not execute when there isn't any connection. ...
Sound plays twice when switching camera modes
UE - Audio - Aug 7, 2015Playing a sound (firing weapon) and switching the camera mode will cause the gunfire sound to play twice, once from the weapon's position when it's fired and again as through the sound was coming fr ...
LIVE: LANDSCAPE: Lock Movement feature does not save state after re-opening editor
UE - LD & Modeling - Terrain - Landscape - Oct 16, 2014Lock movement state on landscape does not save state on reloading editor. ...
Actors spawned at runtime and moving via SetActorLocation do not generate hit events with static objects
UE - Simulation - Physics - Feb 1, 2016When an actor that is spawned at runtime is moved via SetActorLocation and collides with a static object, no hit events will be fired. If the same static actor begins simulating physics, the dynamic ...
Planar Reflections do not appear to cull based on the view frustum
UE - Graphics Features - Oct 27, 2016View Frustum and Occlusion culling do not appear to work for Planar Reflections though the stats in PIE seems to indicate otherwise. I've attached two gifs showing View Frustum and Occlusion chec ...
SceneCapture2D Actor using SceneDepth in R not Working as Expected
UE - Graphics Features - Oct 14, 2016The new SceneCapture2d feature 'SceneDepth in R' is not rendering the scenes depth in both Perspective and Orthographic projections as expected. The user originally mentioned he was using Orthograp ...
GPU Particle collision Ignores 2D Sprite Collision
UE - Graphics Features - Jan 19, 2016GPU Particle sprites will collide with a paper 2D assets texture but not the collision box. ...
Special modifier key inputs do not register in editor if the key press occurs instantly
Tools - Mar 1, 2016Special function key presses and hotkey shortcuts do not register in the editor if they fire key presses instantaneously (0ms). In particular, TypeMatrix keyboards reproduce this error using keyboar ...