Unreal Engine Issues
Unreal Engine Issues
Memory Leak caused by auto save files
UE - World Creation - Worldbuilding Tools - World Partition - Mar 20, 2023Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
Interchange: Ensure in InterchangeManager when exiting the editor in game mode
UE - Editor - Content Pipeline - Import and Export - Mar 24, 2023> UnrealEditor-InterchangeEngine-Win64-Debug.dll!UInterchangeManager::StartQueuedTasks::__l2::<lambda>() Line 861 C++ UnrealEditor-InterchangeEngine-Win64-Debug.dll!DispatchCheckVerify<bool,bool ...
Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level
UE - Editor - Workflow Systems - Mar 30, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...
Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window
UE - Anim - Sequencer - Mar 31, 2023Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...
AbilityTask_PlayMontage will 'zombie' if Interrupted during BlendOut
UE - Gameplay - Gameplay Ability System - Apr 14, 2023User reports: I've noticed a bug with PlayMontageAndWait There are 4 possible triggers when a Montage completes:OnCompletedOnBlendOutOnInterruptedOnCancelled Once OnBlendout has been triggere ...
Crash after generating HLODs for approximated meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...
Rendering sequence with livelink data has issues with smooth engine offset
UE - Virtual Production - IO - LiveLink - Apr 26, 2023[Link Removed] for reference Playing back a sequence shouldn't have buffered samples. We should have a single one, which was built from the sequence. We need to make sure when played back that it ...
Foliage instances don't move with a static mesh when it is shared between two foliage actors
UE - World Creation - Worldbuilding Tools - Foliage - Apr 26, 2023From Licensee: The bug comes from the call of the function `FoliagePartitioningUtils::Update` in the method `AInstancedFoliageActor::MoveInstancesForMovedComponent`. When the function `FoliageParti ...
Reimporting static mesh doesn't respect changed lightmap settings
UE - Editor - Content Pipeline - Import and Export - May 11, 2023Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...