Unreal Engine Issues
Unreal Engine Issues
Landscape raytracing geometry always updates every frame
UE - Graphics Features - Ray Tracing - Apr 11, 2025LOD 0 Landscape meshes are always updated in FLandscapeComponentSceneProxy::GetDynamicRayTracingInstances because* r.RayTracing.Geometry.Landscape.LODsUpdateEveryFrame* (GLandscapeRayTracingGeometry ...
PIE Seamless Travel with a standalone level instance causes assert in UWorldPartition::BeginDestroy
UE - World Creation - Worldbuilding Tools - Level Instances - May 8, 2025This check is hit on the server instance while it is performing garbage collection during the seamless travel. During this garbage collection, it will determine that the UWorldPartition object belon ...
BSPs do not update when converted to blocking volumes
UE - LD & Modeling - Modeling Tools - BSP - Oct 21, 2015If a bsp is converted to a blocking volume, the faces of the bsp remain present until a new actor is placed or geometry is compiled. ...
Contains array does not recognize compatible elements after reopening editor
UE - Gameplay - Blueprint - Jul 1, 2015Array Contains node does not recognize compatible elements after saving and restarting the editor. ...
Landscape materials do not correctly render on iPhone 5S with version 8.3 installed
UE - Graphics Features - Jun 17, 2015[JoshA] This is a bug in the Metal renderer. Basing on the screenshots in the Comments, it looks like some sort of precision issue in Metal shaders? Landscape materials incorrectly render when depl ...
Input pin disappears if split on GetScreenSpacePosition node
UE - Gameplay - Blueprint - Jun 16, 2015If the input pin of a GetScreenSpacePosition node is right clicked and then the user presses "split struct pin", the pin will disappear. Workaround: Press refresh node in RMB context menu. ...
Line traces don't consistently trigger when colliding between landscape components
UE - Simulation - Physics - Mar 15, 2015Landscapes do not consistently return "hit" on traces. Lots of AH posts on this topic, and votes on public tracker: [Link Removed] ...
Snapping Rotation Causes Small Decimal Changes
Tools - Dec 5, 2014Repro 5/5 When snapping and rotating an object to the grid along the Z-axis there are small decimal float changes in the details panel. I informed the user this was a small change and will have li ...
Media Player Asset not Playing in Packaged Game
Media Framework - Jun 22, 2016Media asset fails to play in packaged game. There was a bug entered [Link Removed] which is similar, but dealt with standalone play mode as well. The standalone issue seems to have been fixed since ...
Mesh Particle Collision does not occur when placed in Destructible Meshes
UE - Simulation - Physics - Destruction - Dec 23, 2014Mesh Type Particles with Collision on World Static and Destructibles will not keep collision when placed into the Effects slot of a Destructible Mesh. ...