Unreal Engine Issues
Unreal Engine Issues
Culling Distances Not Working For Static Mesh in Procedural Content Generation Tool and Foliage Tool
UE - World Creation - Procedural Tools - Mar 28, 2025When creating Foliage or Procedurally Generated Content the culling settings of the Static Meshes do not apply correctly. As soon as either a minimum or maximum cull distance is set the Static Meshe ...
DAE Import - Missing geometry in imported .dae model from Cabinet Vision
TM - Interoperability - Mar 27, 2025Reported in SF [Link Removed] Client created a ,dae file in Cabinet Vision. When imported into TM, geometry will be missing, such as the walls and parts of the cabinets. Tested and occurs in TM 20 ...
Raytraced lights with Source Length > 0 behave incorrectly with Megalights
UE - Graphics Features - Ray Tracing - Mar 26, 2025When Megalights is enabled, light can leak into areas that should be occluded for lights with smallish (5.0) source length and source size. [Image Removed][Image Removed] This was taken with r.Ray ...
Material Layers Relink Button Missing
UE - Rendering Architecture - Materials - Mar 26, 2025The Relink button is missing (as are the Save Sibling and Save Child buttons) on Material Instances that use Material Attributes Layers in 5.5. ...
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Graphics Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...
Follower mesh components don't inherit the lead component's recently rendered flag
UE - Anim - Runtime - Mar 25, 2025Follower mesh components have their recently rendered flag set in their TickComponent method. This means that if a user turns tick off on a follower component, the recently rendered flag isn't upda ...
Crash when exposing a TOptional<FName> or TOptional<FText> to the editor through a UProperty.
UE - Editor - Workflow Systems - Mar 25, 2025Support for editor-exposed uproperties of type TOptional<T> has been added by CL 28199740 on september 2023. However, since then until today in UE 5.5, a crash can happen when exposing TOptional<FNa ...
UDataLayerManager::Initialize perf issue in Editor build
In editor, WorldDataLayers acceleration table used to map DL Names to DL instances is not created. The main reason was to avoid to handle all the case where it would need to be updated. When UDataL ...
In Vehicle sims, CenterOfMass override isn't factored into UpdateMassProperties
UE - Simulation - Physics - Mar 24, 2025Origin from this UDN ticket, https://udn.unrealengine.com/s/question/0D5QP00000sGtbO0AS/chaosvehiclemovementcomponent-intertia-tensor-isnt-adjusted-for-center-of-mass-override?fromCase=1 TLDR is th ...
World Partition IsStreamingCompleted returns true while standalone level instances are still fully loading
UE - World Creation - Worldbuilding Tools - World Partition - Mar 21, 2025IsStreamingCompleted returns true while standalone level instances are still fully loading. ...