Unreal Engine Issues
Unreal Engine Issues
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 ...
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 ...
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. ...
Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled
UE - Gameplay - Blueprint - Aug 3, 2015If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...
Foliage does not spawn on Hierarchical Instanced Static Mesh Components
UE - World Creation - Worldbuilding Tools - Foliage - Jul 3, 2015Foliage does not spawn on Hierarchical Instanced Static Mesh Components ...
Landscape Physical Material always registers default
UE - Simulation - Physics - Mar 7, 2015Physical materials on landscapes always return DefaultPhysicalMaterial, even when the surface type is changed. ...
FBX files with multiple Meshes with only 1 unwrap per mesh will have invalid Light Map coordinates assigned
Tools - Jun 8, 2014An FBX with Multiple Meshes and only one unwrap per mesh (no 2nd UV channel) will import the first mesh in the file correctly but will produce invalid lightmass settings on each additional mesh impo ...
Sound Class Radio Filter Volume Functionality
UE - Audio - Jan 12, 2015When creating a Sound Class and editing/applying the 'Radio Filter Volume' option, the sounds associated with the sound class seem to have their attenuation settings overridden or mixed in with an i ...
Reflections Appear Black
UE - Graphics Features - Nov 13, 2015Adding Screen Space reflections to a Translucent Material Causes black reflections. Sometimes the reflections are completely white and do not change when changing the intensity of the lighting. [L ...