Unreal Engine Issues
Unreal Engine Issues
VirtualTexture performance is much worse on SM6 than SM5
UE - Graphics Features - Feb 19, 2023EnhancedInput Triggers can become stuck in an triggered state after pause when using Set Mode UI Only and CommonUI
UE - Gameplay - Input - Jan 10, 2024Mismatch of light position and PerObjectProjectedShadows
UE - Graphics Features - Jul 23, 2024Per-Object shadows cast by a stationary point light do not appear in the correct place on movable geometry. ...
NiagaraSystem with EniagaraGpuComputeTickStage::PostInitViews rarely crashes due to multi-thread race conflicts
UE - Niagara - Mar 1, 2025NiagaraSystem with EEiagaraGpuComputeTickStage::PostInitViews should not have bSupportsParallelGDME because of possible multi-threaded contention, but FNiagaraSystemInstanceController::GetGpuCompute ...
TMap "Categories" meta propagates into structs it shouldn't apply to
UE - Gameplay - Gameplay Tags - Sep 22, 2025When using TMap with "Categories" meta UPROPERTY tag for gameplay tags, it propagates into structs that it shouldn't reaching into. The expectation is that it would only impact the layer of gameplay ...
TSparseArray NatVis visualizer doesn't work for arrays that use TInlineSparseArrayAllocator
UE - Foundation - Cpp Tools - Nov 6, 2025The NatVis visualizer allows many custom Unreal types to be displayed in a helpful manner inside the Visual Studio watch window. One such type is TSparseArray. Under normal circumstances, visualizin ...
Ensure triggered by level blueprint when Play as Listen Server is set
UE - Gameplay - Blueprint - Jul 14, 2015When Editor Multiplayer Mode is set to Play As Listen Server the editor will trigger a breakpoint on exiting PIE if any event is ran though the level blueprint ...
Splitting a struct in an Anim Blueprint does not work
OLD - Anim - Mar 23, 2015In an Anim BP, splitting the transform structs of a Transform (Modify) Bone node causes the node to be come non functional. Transform components must be combined in order for the node to work. EX ...
Custom Blend Graph cleared after switching Blend Logic
OLD - Anim - Apr 15, 2015User is not happy that the Custom Blend Logic Graph is cleared out if you accidentally switch the Blend Logic back to Standard ...
PlaySoundAtLocation node not working in packaged IOS games
UE - Platform - Mobile - Jan 12, 2015Sound queues set to play with "Play Sound at Location" node don't play on a game packaged for IOS. **NOTE** User workaround mentioned that sound will come out from connected bluetooth. ...