Unreal Engine Issues

Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.

The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...

Don't display events in blueprint function with profile stats.

When look at stats in Unreal Frontend, can see the events that run in the function. It work in 4.21, but it doesn't work in 4.22. ...

Android: Mali Txxx GPUs Encounter Stretching Geometry When Running with Support GPU Scene Enabled

When attempting to run SunTemple with r.Mobile.SupportGPUScene enabled on some Mali GPUs, the project renders with what looks like pieces of the geometry stretching across the level and bending out ...

Renaming a Blueprint variable loses override in grandchild Blueprint

Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides.  ...

SynthComponent does not execute OnStop() after calling Stop()

SynthComponent does not execute OnStop() after calling Stop(). OnStop() will be called in PumpPendingMessages() via OnGeneratePCMAudio(). But after stopping the AudioComponent, the procedural Sound ...

Build Error when using ENUM without 0 entry

PostProcessMaterial is not applied to NiagaraEditor preview

Sequences with a playback end on a subframe will not fire events that lie between the last whole frame and playback end

Sequences that end on a subframe will not evaluate past the last whole frame, preventing events from triggering that should. ...

Constraining aspect ratio of cine camera with post process material attached causes rendering issue

Applying a PP material that uses absolute world position to a cine camera using "constrain aspect ratio" causes rendering issue. Note: Changing the film back settings on the camera also results in ...

When using a SpeedTree asset, a Zero Triangles warning appears

When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...