Unreal Engine Issues
Unreal Engine Issues
TRACKS: Icons occluded when track/actor name is longer than the panel
UE - Anim - Sequencer - Feb 11, 2016Icons are being occluded when you shrink the actor panel in Sequencer. The expected behavior from the rest of the editor is to prioritize the functional UI elements [Image Removed] ...
Lightmass ignores StaticSwitch in materialinstance
UE - Graphics Features - Aug 12, 2020This is caused by FLightmassMaterialProxy doesn't have GetStaticParameterSet() function. (FMaterial::GetStaticParameterSet() is called.) It can be fixed by adding the following function to FLightma ...
Data Layers: GetDataLayerInstanceFromAssetName differs between editor and non-editor
UE - World Creation - Worldbuilding Tools - Data Layers - Apr 9, 2024From licensee: The function AWorldDataLayers::GetDataLayerInstanceFromAssetName() uses different names in #WITH_EDITOR and without editor builds: #WITH_EDITOR config calls DataLayerInstance->GetDa ...
Detail Texturing Material Fucntion incorrectly scales Detail Normal
UE - Graphics Features - Mar 15, 2015The Detail Texturing Material Function scales the Detail Normal input incorrectly when compared to manually setting up a Detail Texturing Material. (Assets and Level uploaded to [NameRedacted] Devel ...
Review UMaterialFunction input/output post-load resolve
UE - Graphics Features - Apr 13, 2017Both internally in a handful of one-off cases and externally we've seen cases where material functions have incorrectly resolved causing a crash trying to use the input/output expressions. Most case ...
FCableSceneProxy::BuildCableMesh thrashes memory allocator
UE - Simulation - Physics - Feb 12, 2025FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...
Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances
UE - Gameplay - Feb 10, 2016If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...
Spherecast against complex geometry is returning odd results
UE - Simulation - Physics - Sep 19, 2023Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...
FUniqueNetIdRepl::NetSerialize() crashes when embedded in a TArray() of structs.
UE - Networking - Jun 29, 2020Calling the NetSerialize() function of FUniqueNetIdRepl from a custom NetSerialize() causes a crash. This only seems to occur when the struct is part of an array RPC parameter. ...
Send "Enter Key" is not working with press and release key in Web Browser plugin
Tools - Mar 3, 2020When trying to send the Enter Key to Web Browser using the Press and Release function, it does not work. This function works with any other key that you try to send. A repro project is attached tha ...