Unreal Engine Issues

ShadowProject gpu performance regression from Aftermath

The issue was originally noticed between 4.15.1 and 4.16 Preview, but now appears to have regressed between 4.15.1 and 4.15.2. ...

CLONE - ShadowProject gpu performance regression from Aftermath

The issue was originally noticed between 4.15.1 and 4.16 Preview, but now appears to have regressed between 4.15.1 and 4.15.2. ...

MaxDrawDistance does not work with HLOD

1. Create HLOD. 2. Set DesiredMaxDrawDistance. 3. DistanceCulling does not work. ...

Precompile occurs in Niagara when Standalone is started, increasing load time.

In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...

Inserting before a FSlateImageRun twice will cause crash

NiagaraSystem with EniagaraGpuComputeTickStage::PostInitViews rarely crashes due to multi-thread race conflicts

NiagaraSystem with EEiagaraGpuComputeTickStage::PostInitViews should not have bSupportsParallelGDME because of possible multi-threaded contention, but FNiagaraSystemInstanceController::GetGpuCompute ...

Memory Leak caused by auto save files

Ray traced shadows appear even after the mesh is hidden

bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...

Physics Thruster has no effect on destruction mesh

Physics Thruster actor does not affect destruction meshes that it is attached to. ...

Rendering glitch when launching on Android

https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...