Unreal Engine Issues

Steam API is disabled when playing in Standalone Game

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

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

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 ...

Expanded array of structs is collapsed whenever a new array item is added

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

This appears to be new in 4.25. ...

Instance Synced properties in Blackboard cause a crash

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]

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

[CrashReport] UE4Editor-Core!static void PureCallHandler() [WindowsPlatformMisc.cpp:477]

Generated from CrashReporter Error Message: Fatal error: [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/Core/Private/Windows/WindowsPlatformMisc.cpp] [Line: 475] Pure virtual function bei ...

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

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]

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