Crash when reimporting skeletalmesh with metadata

Tools - Import - Jan 11, 2021

Crash when we restore metadata after re-importing a skeletalmesh. ...

Granular Synth crashes project when played in standalone or packaged with assertion failure

Audio - Jan 5, 2021

Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...

If use with mesh particles or use with niagara mesh particles is checked in the Usage flag of the material and the material domain is set to volume, compile error will occur.

Rendering - Niagara - Jan 5, 2021

[SM5] /Engine/Private/VolumetricCloud.usf(118,33-53): error X3018: invalid subscript 'VertexId' This is happening in VolumetricCloud.usf, but it seems that I can avoid the error by adding the follow ...

Nameclash error when importing skeletal mesh

Tools - Import - Jan 5, 2021

The attached FBX file is getting a nameclash error when imported.  This content is licensee content please delete after using. This issue is NOT occurring at 4.25.4 Binary @ CL 14818863 Marked as ...

Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work

Rendering - Niagara - Jan 4, 2021

Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work ...

The LOD is not reflected in Shadow when r.ForceLODShadow is set

Rendering - Dec 16, 2020

When I looked into this feature, I noticed that ForceLOD was not set by the code below. Therefore, I confirmed that only Shadow can change LOD by changing as follows.[Link Removed] ...

Hot Reload Temporary dlls and pdbs Aren't Getting Cleaned Up Between Runs

DevTools - Hot Reload - Dec 14, 2020

I'm seeing it as an issue in at least 4.25.4, maybe prior.   I'll update after checking 4.24. From the tests at my desk I could see that the HotReload.State file that DeleteTemporaryFiles (HotReloa ...

Missing SmallOSAlloc/Free memory tracking with LLM on iOS

Platform - Mobile - Dec 11, 2020

Licensee reports missing memory tracking for LLM on iOS: In Engine/Source/Runtime/Core/Private/HAL/MallocBinned.cpp in SmallOSAlloc, there is a compiler define for IOS and within it there is an LLM ...

Niagara Oscilloscope hangs indefinitely in cooked build

Audio - Dec 9, 2020

Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix  When setting GCVarEnableAudioCommandLogging t ...