Crash calling destroy actor for Geometry Collection while it's simulating

Physics - Destruction - May 12, 2020

Crash occurs when user call Destroy Actor on a Geometry Collection Actor. This seems to only occur while the actor is simulating. If called while on the ground, it doesn't seem to occur. ...

UDelegateProperty define missing in DefineUPropertyMacros.h

Core - May 11, 2020

The following code should be added in defineUPropertyMacros.h #ifndef UDelegateProperty #define UDelegateProperty DEPRECATED_MACRO(4.25, "UDelegateProperty has been renamed to FDelegateProperty") F ...

Instance Synced properties in Blackboard cause a crash

Gameplay - AI - May 8, 2020

Using an Instance synced property in a Blackboard causes a crash when exiting PIE. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 (CL-13144385). This was teste ...

SpeedTree assets cannot be imported via Python automated import

Tools - Import - May 7, 2020

Licensee reports via UDN that automated import via Python of SpeedTree assets does not work The issue is that USpeedTreeImportFactory::FactoryCreateBinary() tries to generate a UI dialog, which is n ...

Memory leak after simulating in Editor with opened 'Editor Preferences' tab

Tools - May 7, 2020

This can be repeated many times before the editor crashes without any messages and other programs with the video driver crashes too. Because out-of-memory. This is similar to UE-39211. This was rep ...

Blackboard SelfActor key is not correctly being set

Gameplay - AI - May 7, 2020

REGRESSION: Does not occur in 4.24 The Blackboard Self Actor key is not automatically getting set in the AI Controller. ...

FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always

Core - May 7, 2020

FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...

[CrashReport] UE4Editor-D3D11RHI!static void TerminateOnDeviceRemoved(HRESULT, struct ID3D11Device *) [D3D11Util.cpp:160]

Rendering - RHI - May 6, 2020

This ticket tracks instances of D3DHung crashes now that Aftermath has been enabled in 4.25.0.UE-74575 was marked fixed and closed with the enabling of Aftermath. ...