Unreal Engine Issues

Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character

Hints: It has no problem in 4.24, only happening in 4.25 It has no problem as long as the Variable name is contained with Alphabat(English characters) fully; or start with Alphabat(A_变量 is fine) ...

Array property of a User Defined Struct is corrupted when additional properties are added to the struct

Modifying a UserDefinedStruct can lead to data corruption in Blueprint array properties. ...

Asset Registry GetDerivedClassNames does not work properly during editor startup

This bug comes from https://udn.unrealengine.com/questions/585499/view.html which describes a problem where a licensee is trying to use the AssetManager to scan a primary asset type that is generate ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

[CrashReport] UE4Editor-Core!UnhandledException(_EXCEPTION_POINTERS *) [WindowsPlatformCrashContext.cpp:1457]

Generated from CrashReporter ErrorMessage: 64 (82%) Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffff 7 (8%) Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading add ...

Incorrect conversion when using FUnitConversion::Convert

Incorrect conversions values received and using FUnitConversion::Conversion ...

Template function TSparseArray::PointerToIndex does not compile

Error:  C:\Program Files\Epic Games\UE_4.25\Engine\Source\Runtime\Core\Public\Containers/SparseArray.h(778): error C2440: '-': cannot convert from 'const TSparseArrayElementOrFreeListLink<TAlignedBy ...

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 ...

[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 ...