Unreal Engine Issues
Unreal Engine Issues
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
In Path tracer, the Sun disk in the Twinmotion Dynamic sky does not produce the Bloom, Lens flare and Lens dirt effects.
TM - Rendering - Mar 15, 2024Note that it works when using the old sun intensity (25) instead of the 100,000 value. Also, reducing the scattering in the sky will bring back the bloom. ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash
UE - AI - Mass - Mar 19, 2023If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...
Unable to fix up redirector of assets used in level instances
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 12, 2024If another persistent level is open, the fix up can work. ...
FBX exporter does not support Level instances
UE - Editor - Content Pipeline - FBX - Sep 30, 2024'GetClassDefaults' Can Cause Blueprint To Become Modified When Unrelated Blueprint Is Compiled
UE - Gameplay - Blueprint - Sep 22, 2023The stems from a really old change (CL 2948683) to fix [Link Removed]. Compiling ObjectA will call RefreshExternalBlueprintDependencyNodes on its dependent BP, ObjectB_ReferencesA, which reconstru ...
Assertion failed on reimporting FBX scene
UE - Editor - Content Pipeline - Import and Export - Aug 7, 2024Following code works as a work around : void SFbxSceneStaticMeshReimportListView::OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo) { #if 0 check(ItemSele ...
SwapRootBone_Actor ignores a relative rotation
UE - Anim - Sequencer - Dec 19, 2023When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...