Unreal Engine Issues

Getting Emitter.NumParticles on Niagara's GPU compute sim returns 0

This problem looks like the following parameters are not defined correctly. The correct parameter is Engine_Emitter_NumParticles. Engine_Emitter_NumParticles and PREV_Engine_Emitter_NumParticles .\ ...

Setup command not downloading GitDependencies on arm64 Mac

When running setup command on an M1 arm64 mac the dependencies fail to download. This issue is occurring in Github //UE5/Release-5.3 @ CL 26560699 This issue is NOT occurring in Github //UE5/Rele ...

[AI] ZoneShapes visualization does not reset after selecting another actor

ZoneShapes do not reset visuals when being de-selected and re-selected. The last piece of the zone shape to be selected will still show as selected when the shape is re-selected, but using the edito ...

[Device Swap] - Assertion failed: AudioStreamInfo.StreamState == EAudioOutputStreamState::Closed [File:D:\build\++UE5\Sync\Engine\Source\Runtime\AudioMixerCore\Private\AudioMixer.cpp]

Issue has been seen a couple times internally and closed as No Longer occurring. Looking at Crash Reporter, issue has been seen live a number of times. Looking at user logs, occurs after:LogAudioMi ...

[CrashReport] Assertion failed: bIsRoutingPostCompilation == false [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\TextureCompiler.cpp] [Line: 245]

Made From CrashReporter To remain Glitter compliant logs can not be linked from Crash Reporter. Should you need logs you will have to get them from Crash Report. ...

Provide a way for licensees to set a custom class for DataLayerInstanceWithAsset.

Provide a way for licensees to set a custom class for DataLayerInstanceWithAsset. ...

DataValidation System Implemented in EditorUtilityBlueprint Subsystem Crash

Implementing data validation via an Editor Utility Blueprint works fine in the editor, but when run via the commandlet, the blueprint won't load the editor utility subsystems (i.e. Static Mesh Edito ...

Push Model may prevent actors from going dormant

This seems to happen because FObjectReplicator::ReadyForDormancy will continually return false while FObjectReplicator::CanSkipUpdate returns true. In ReadyForDormancy, the actor's SendingRepState h ...

Subsurface Profile material in scene capture with r.SubsurfaceScattering set to 0 causes wrong value in alpha channel

When creating a new NiagaraSystem using existing system, the DefaultEffectType set in ProjectSettings is not reflected.

When creating a new NiagaraSystem, the DefaultEffectType set in ProjectSettings should be reflected. If another EffectType is already set, it should be respected. The problem here is that when creat ...