Unreal Engine Issues

Hotreload on c++ native actor component class will cause BP edit malfunctioned

[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...

MediaTexture.AutoClear Is Ignored On Quest

When closing a media player asset in the Oculus Quest the Clear Color is ignored and the last frame is left on frame shown. This happened whether I ran the project both while the Quest was and was n ...

When set the current language and asset group to different languages, the asset group will not work

When set the current asset group language in a particular process, the asset refers to the "source asset" and output warning log. LogPackageLocalizationCache: Warning: Skipping the cache update for ...

[Quartz][Device Swap] - Quartz Clock Stops when swapping Audio Output Device

When swapping the audio output device while running PIE or a packaged game on Windows, Quartz clocks stop. Does not repro in Release-4.27, but can be reproed in Release-5.0. ...

[Audio Gameplay Volumes][Google Resonance] - Resonance Plugin Reverb Settings do not work on AGVs

Resonance Reverb Effects are not working on Audio Gameplay Volumes. They are working on legacy Audio Volumes.  ...

MoviePipeline: ExecutorJob UserData field lost on Queue Load

I didn't check with the debugger, but I suspect this is caused by: void UMoviePipelineExecutorJob::OnDuplicated_Implementation() { UserData = FString(); When the queue is loaded, each job is dupl ...

VirtualTexture performance is much worse on SM6 than SM5

Mismatch of light position and PerObjectProjectedShadows

Per-Object shadows cast by a stationary point light do not appear in the correct place on movable geometry. ...

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 ...

TMap "Categories" meta propagates into structs it shouldn't apply to

When using TMap with "Categories" meta UPROPERTY tag for gameplay tags, it propagates into structs that it shouldn't reaching into. The expectation is that it would only impact the layer of gameplay ...