Unreal Engine Issues
Unreal Engine Issues
Packed Level Actor should adjust transforms for negatively scaled actors when adding them to ISM
UE - World Creation - Worldbuilding Tools - Level Instances - May 24, 2024When negative scaling is applied to an instance of an ISM, the instance transform is updated to apply a rotation instead. The same thing should happen when packing actors into ISMs for Packed-Level ...
Actors in always loaded sublevels are not immediately recorded into replays
UE - Networking - May 24, 2024In FReplayHelper::ReplicateActor, we check Connection->ClientHasInitializedLevel(Actor->GetLevel()) to see if the actor should create a channel or not. However, the DemoNetConnection does not have a ...
delete_all_material_expressions_in_function Doesn't delete all expressions in one go.
UE - Rendering Architecture - Materials - May 24, 2024UDN: https://udn.unrealengine.com/s/case/500QP000009NxNBYA0/deleteallmaterialexpressionsinfunction-doesnt-delete-all-expressions-in-one-go?fromCase=1 A UDN user is reporting that the delete_all_mat ...
CPF_TextExportTransient and RF_TextExportTransient inconsistent behavior
UE - Gameplay - Blueprint - May 23, 2024The TextExportTransient can be specified as a property flag and object flag. Behavior is inconsistent: there are many ways in which an object marked TextExportTransient can still be part of the text ...
Stale VSM pages after HLOD transition
UE - Graphics Features - Shadows - May 23, 2024Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...
LogAssetRegistry Error produces a path error when referring to assets on a junction/hard link/soft link
UE - Foundation - Data Pipeline - Cooker - May 23, 2024IAssetRegistry::GetChecked().ScanPathsSynchronous() now eventually calls FPathExistence::LoadExistenceData and logs the errorFPathExistence failed to gather correct capitalization from disk for <p ...
NavMesh debug material color is changed by lighting with high lux values.
UE - AI - Debugging - May 23, 2024There is a clear difference in color saturation for the nav mesh debug material between when lit by a light with low lux values (6) and when lit with high lux values (1000) and eye adaption is enabl ...
Inconsistent handling of child actor component mobility mismatches.
UE - Gameplay - Components - May 22, 2024If you have; BP_Foo, that has a ChildActorComponent of BP_Bar, and you set the Mobility of BP_Bar to Moveable, then place BP_Foo in a level and cook it. BP_Bar will end up at origin with a static at ...
Volumes visible on screen cannot be selected with box selection if "Box Select Occluded Objects" is enabled
UE - Editor - Workflow Systems - May 22, 2024When using box selection with "Box Select Occluded Objects" enabled, volumes in the box selection zone are not able to be selected. ...
Crash on FPBDIslandManager::Reset() when exiting PIE
UE - Simulation - Physics - Solver - May 21, 2024The editor might crash when stopping PIE in some scenarios ...