Unreal Engine Issues
Unreal Engine Issues
Memory leak when Lumen is disabled but r.MeshCardRepresentation=1
UE - Graphics Features - Lumen - Jul 29, 2024When Lumen is disabled, but the cvar "r.MeshCardRepresentation" is set to 1, Lumen will continuously enqueue object removal from the Lumen Scene, without ever emptying the array of primitives to rem ...
Cook Determinism - Construction Scripts and ChildActorComponent issues with DiffCooks
UE - Framework - Components - Jul 26, 2024To step through the issue, in the -DiffOnly cook add a breakpoint to UChildActorComponent::OnRegister and UChildActorComponent::OnUnregister. It should hit 4 times:Once when LoadPackage loads the ma ...
Removal of ReplacementSceneComponent leaves trashed components during WorldPartitionResaveActorsBuilder
UE - World Creation - Worldbuilding Tools - World Partition - Jul 25, 2024Running WorldPartitionResaveActors builder can detach attached actors. ...
Crash after generating HLODs for merged meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Jul 25, 2024Outliner freezes when searching in large maps
UE - Editor - Workflow Systems - Jul 24, 2024This is because SSceneOutliner::FullRefresh is called every time the search text changes, which repopulates the whole tree. There's a few options to look into here (first two might be tricky with b ...
In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.
UE - Simulation - Physics - Jul 24, 2024A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...
ResavePackages fixredirects commandlet crashes Assertion failed: FLinkerLoad::FindExistingLinkerForPackage(Package)
UE - World Creation - Worldbuilding Tools - OFPA - Jul 24, 2024Crash with WorldPartitionRenameDuplicateBuilder when duplicating a World Partition Level with actors referencing Data Layer Assets
UE - World Creation - Worldbuilding Tools - Data Layers - Jul 23, 2024Nested PackedLevelActor bounds issue
UE - World Creation - Worldbuilding Tools - Level Instances - Jul 23, 2024Material not compiling due to WorldAlignedTexture connected to multiply
UE - Rendering Architecture - Materials - Jul 23, 2024When a WorldAlignedTexture node is connected to multiply and then to a base color output, the material cannot be compiled, giving an error about an undeclared local variable "Local27". Does not happ ...