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

UE - Simulation - 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. ...

Steam API is disabled when playing in Standalone Game

UE - Online - May 11, 2020

The Steam API is disabled when playing a Standalone Game that was started using the Play button. REGRESSION: Yes Worked: 4.24.3 Binary CL-11590231 Broken: 4.25 Binary CL-13261010 I do not see this ...

UDelegateProperty define missing in DefineUPropertyMacros.h

UE - Foundation - 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 ...

Source Won't Build - UnrealInsightsCLI.cpp References Missing Header

UE - Foundation - Core - May 11, 2020

Line 9 in https://github.com/EpicGames/UnrealEngine/blob/4.25/Engine/Source/Programs/UnrealInsightsCLI/Private/UnrealInsightsCLI.cpp is '#include "TraceServices/SessionService.h" which used to be lo ...

Use of SpiralBlur-SceneTexture MaterialFunction in translucent material results in compile errors

UE - Graphics Features - May 8, 2020

This appears to be new in 4.25. ...

Instance Synced properties in Blackboard cause a crash

UE - 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 ...

[CrashReport] UE4Editor-NiagaraEditor!UNiagaraStackRendererItem::GetIconBrush() [NiagaraStackRendererItem.cpp:319]

UE - Niagara - May 8, 2020

Generated from CrashReporter Similar issue: [Link Removed] ...

Creating Widget at run time with an exposed variable causes Engine crash with Assertion

Tools - May 8, 2020

If you are using the default values of the In Size the project will run fine, but changing the values will make the engine crash. This was reported and tested in 4.25 (CL-13144385) and reproduced i ...

[CrashReport] UE4Editor-CoreUObject!FPropertyProxyArchive::operator<<(FField * &) [PropertyProxyArchive.h:45]

UE - Foundation - Cpp Tools - Hot Reload - May 8, 2020

Generated from CrashReporter Error message - Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address [different address per crash] ...