Unreal Engine Issues
Unreal Engine Issues
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast it immediately disappears by hitting the world limits
UE - Simulation - Core - Jan 20, 2025A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast ...
Replicating a non-root component with simulate physics enabled causes the component to be in the wrong place on spawn, on clients.
UE - Simulation - Gameplay - Jan 20, 2025When a BP spawns another, if the spawned Actor has a non-root child component that is simulating physics, on clients, immediately after spawn, the child component will have the world position double ...
Nanite foliage missing outline when selected
UE - Editor - Workflow Systems - Jan 14, 2025When a foliage actor contains instances of Nanite and Non-Nanite meshes, the Nanite meshes don't get a selection outline when the actor is selected.[Image Removed] ...
Normals and tangents do not get normalized when recompute is on during static mesh to skeletal mesh conversion.
UE - Anim - Rigging - Jan 14, 2025When doing a static mesh to skeletal mesh conversion where the source object is an OBJ, if recompute normals or tangents is on, then the resulting normals and tangents will be broken. ...
Water body actor casts static shadow
UE - Graphics Tools - Terrain - Water - Jan 14, 2025WaterBody Actors will cast static shadows in built lighting even if their Cast Shadow options are disabled. ...
Undoing Replace Actor on Level Instances do not reload the Level Instance
UE - World Creation - Worldbuilding Tools - Level Instances - Jan 14, 2025Undoing Replace Actor on a Level Instance does not properly reload the previous Level Instance. ...
Priority order of texture parameters on post process material instances is inverted
UE - Graphics Features - Jan 13, 2025The texture parameters on material instances applied to post process volumes do not respect the priority order of the post process volume, and are in fact inverted relative to the priority of other ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...
CableComponent particles spawn at origin when gameplay starts depending on component registration order
UE - Framework - Components - Jan 9, 2025A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...