Unreal Engine Issues
Unreal Engine Issues
FTransform(ENoInit) ensures in Debug on mobile platforms
UE - Foundation - Core - Sep 25, 2018As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...
InstallVisualizers.bat does not install debug Visualizers for Visual Studio 2017
UE - Foundation - Core - Sep 24, 2018The InstallVisualizers.bat file for 4.20 does not include a way to install the Visualizers for Visual Studio 2017. With Visual Studio 2017 now the default Windows IDE for the Engine, it may be helpf ...
Actors in TMap Blueprint Properties are not copied properly for PIE
UE - Foundation - Core - Sep 4, 2018Actors that reside in TMap blueprint variables refer to the Editor actors not the copied UEDPIE actors (that we'd expect) when accessed in PIE. This is not the case in standalone; this only occurs f ...
Project cannot build in VS 2017 15.8+ if it uses std::make_shared with an over-aligned type
UE - Foundation - Core - Aug 30, 2018Visual Studio 2017 15.8 includes a fix to properly handle std::make_shared used with over-aligned types. However, this is a breaking fix and requires the definition of one of two macros to either ac ...
Crash caused by Buffer Overread in TBitArray operator < function
UE - Foundation - Core - Aug 29, 2018A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...
FRunnableThread Suspend doesn't work on android
UE - Foundation - Core - Aug 27, 2018The FRunnableThread::Suspend() function call does not work Android devices Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4313833) ...
PIE gets stuck on infinite loop when Background Streaming is disabled
UE - Foundation - Core - Aug 24, 2018When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...
Generated definition of BlueprintNativeEvent UFUNCTION in an interface does not include const keyword for return type
UE - Foundation - Core - Aug 15, 2018UHT does not correctly create generated code for BlueprintNativeEvent UFUNCTIONs in an interface that return const values. In the corresponding .gen.cpp file, the generated code does not include the ...
Crash on garbage collection - Encountered 20 object(s) breaking GC Clusters assumptions.
UE - Foundation - Core - Aug 15, 2018Garbage collection crash during opening cinematic. Note after crashing and relaunching the game the saved file appears as 8% complete instead of 0%. Note this crash is also occurring with //UE4/D ...
TMap does not serialize properly in specific circumstance when it contains a UObject property set to null by default
UE - Foundation - Core - Aug 8, 2018A TMap containing a struct with a UObject reference property (set to nullptr by default) does not serialize properly for an instance where the UObject reference is set on the instance, but the TMap ...