Unreal Engine Issues

Crash when using 'DumpLightmapSizeOnDisk' Console Command

A crash occurs when using the 'DumpLightMapSizeOnDisk' in the Console Command. ...

Linux: async loading code crashes when memory pooling is enabled

The reasons is a bad interaction between FIND_MEMORY_STOMPS code in AsyncLoading.cpp and memory pooling. Async loading will set PrecacheBuffer to read/only and will never reset it back, expecting ...

When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.

When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...

The iOS app icons settings are not being used on Mac

This issue did not occur on Windows at the same CL. This was originally being tracked by [Link Removed] but after initially testing the fix for that JIRA, this particular issue persisted and it was ...

WebBrowser SetVisibility not working on Android & iOS

SetVisibility not working with Web Browser Widget on mobile devices ...

Foliage is visually missing in HTML5

Foliage is visually missing in HTML5. This is a new issue and does not occur in 4.19, I believe that it may be correlated to this issue here.https://jira.it.epicgames.net/browse/UE-59573 ...

iPhone X Notch is off center on XR and XS Max when selecting their screen size in a UMG Widget

The iPhone X notch is off center on the XS Max and the XR. ...

Sequencer: first rendered frame doesn't use AA

"Sequencer: first rendered frame doesn't use AA/motion blur even with a warmup period." ...

Maya Shotgun turntable generation not compatible with Unreal 4.22

The SetEmitterEnable BP function needs implementation

The BP function calls FNiagaraSystemInstance::SetEmitterEnable, which sets ExecutionState on the emitter instance to ENiagaraExecutionState::Inactive. FNiagaraSystemSimulation::PrepareForSystemSimul ...