Unreal Engine Issues

[MetaSounds] - Trigger on Threshold node Crashes editor on play when using literal value for threshold

Editor crashes when Trigger on Threshold node is hooked up in a Metasound graph and played using a threshold value defined on the node. If you use an Input node for the Threshold value, the crash do ...

Adding an output to the default function of a Blueprint Interface now requires the Interface to be compiled in order to change the output's values

In 4.27 immediately upon adding an output to the default function that output can be edited without needing to be compiled. In Preview 2 once an output is added the Blueprint Interface needs to be c ...

FFunctionalTestingModule::GetMapTests does not support World partition

Adding a track for LayerData.Offset to UMG Animation throws an Ensure

Adding a track for LayerData.Offset throws an ensure that states "No default blender class specified on property, and no custom blender specified on entities. Falling back to float blender." This do ...

ARCore: Camera does not function in ARDebugCheck app

The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...

[CrashReport]UnrealEditor-D3D12RHI!FD3D12QueryHeap::EndQueryBatchAndResolveQueryData(FD3D12CommandContext &) [D3D12Query.cpp:408]

Generated from CrashReporter Error Message:Assertion failed: ActiveAllocatedElementCount <= QueryHeapCount [File:D:\build\++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Query.cpp] [Line: 40 ...

[CrashReport]UnrealEditor-Chaos!Chaos::TEventContainer<Chaos::FCollisionEventData>::DispatchConsumerData() [EventManager.h:214]

Generated from CrashReporter Error Messages:Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 691] Array ind ...

[Device Swap] - Ensure when connecting a controller or USB audio device while audio is playing in PIE

Ensure when swapping to a newly connected USB audio device.  {no format} Ensure condition failed: Cache.Contains(DeviceIdName) [\build++UE5\Sync\Engine\Source\Runtime\Windows\AudioMixerXAudio2\P ...

Delegate fixup doesn't work when bound functions are not in the current BP

When BP functions are bound to native delegates with float parameters, we perform fixup on the BP functions such that their float parameters are converted from double precision to single precision. ...

Launching any QAGame map on Linux with an NVIDIA Card crashes at launch

Workaround:  "Start with "-windowed" in your command line until the issue is resolve" Engine does not crash. However, a crash appears when the game is launched in the output log. Issue is occurring ...