Unreal Engine Issues

FPackedRGBA16N is divide by 32768 twice in NEON/FPU

IOS GPU Hang Error (IOAF code 3) and Crash when rotating to Landscape

When users rotate to landscape in QAARApp the apple device will encounter a GPU Hang error and crash.Execution of the command buffer was aborted due to an error during execution. Caused GPU Hang Err ...

Certain UPROPERTY values are not updated during auto-recompile

Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...

[CrashReport] Linux crash - TOpenGLBuffer<FOpenGLBaseVertexBuffer, 34962u, &()

This is an infrequent Linux crash that has affected a few users in 4.17.1 Callstack from Log[2017.09.12-17.23.41:651][ 0]LogRHI: OpenGL MajorVersion = 4, MinorVersion = 5, ShaderPlatform = GLSL_43 ...

[CrashReport] Crash occurring in Phonon::FPhononReverb::ProcessMixedAudio

This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information. From Log:/Game/VirtualRealityBP/Maps/UEDPIE_0_StartupMap.StartupMap (0.006787s) ...

After upgrading a project from 4.7 to 4.8 and compiling a blueprint that casts to and pulls a variable from a widget will cause a freeze if the widget is then compiled

If the user has a project that casts to a widget to pull out a variable in a 4.7 project. This can cause a freeze after upgrading the project to 4.8 preview. This happens when the user compile the b ...

[CrashReport] UE4Editor-TargetDeviceServices.dylib!TRawMessageHandler<FTargetDeviceServicePong, FTargetDeviceProxyManager>::HandleMessage(TSharedRef<IMessageContext,()

This is a slightly common Mac crash that has occurred since 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.09.28-15.29.17:473][3 ...

[CrashReport] UE4Editor-Core.dylib!FArchiveFileReaderGeneric::InternalPrecache()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. [2016.08.05-09.09.15:492][ 0]LogFileManager:Warni ...

Static Mesh cooking: Bad mesh description should not crash the cooker

FStaticMeshRenderData::Cache has the assertion: checkf(Owner->IsMeshDescriptionValid(0), TEXT("Bad MeshDescription on %s"), *GetPathNameSafe(Owner)); This assertion can be triggered by data erro ...

Crash when updating instanced subobjects in a USTRUCT

Attempting to edit array of instanced subobjects causes the editor to crash. ...