When using object lit by the Indirect Lighting Cache sometimes the cache will not load correctly for movable objects when a level is streamed that contains a landscape

UE - LD & Modeling - Terrain - Landscape - Jun 26, 2015

When setting up a scene with a persistent level and any sublevel that contains a landscape that is loaded via load stream level node in the level BP can cause the ILC to not be correctly assigned fo ...

Landscape 'crack free displacement' option causes landscape layer coords and UVs to be wrong

UE - LD & Modeling - Terrain - Landscape - Aug 25, 2015

If you check the 'crack free displacement' option in a landscape material, it seems to break the results of both the landscape layer coords and regular UV input node. Worldposition is not affected. ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalDeviceContext::CreateDeviceContext()

UE - Graphics Features - Feb 10, 2017

Error message: SEGV_MAPERR at 0x3 Source Context: Most recent user affected CL: 3249277 Logs: [Link Removed] [Link Removed] [Link Removed] [Link Removed] CrashReporter User Descriptions:Just i ...

[CrashReport] UE4Editor_UMG!TBaseDelegate<FMargin>::operator=() [delegatesignatureimpl.inl:381]

UE - Editor - UI Systems - Aug 29, 2017

This is a longstanding and common UMG crash that has affected more than 200 users since at least the 4.15 release. User DescriptionsI was working in the UI and undid several last changes in quick s ...

HZB Setup Mips taking considerable time in GPU Visualizer

UE - Graphics Features - Jul 19, 2016

HZB Setup Mips in the GPU Visualizer seems to be taking considerable ms in 4.12 and 4.13 compared to 4.11.2. This seems to mostly affect editor/PIE GPU Visualization but looks like it should when ...

[CrashReport] Assertion failed: GetOuter()==NULL in UE4Editor_Core!FText::IsEmpty

Tools - Apr 17, 2017

This is a top 10 crash affecting many users. It is believed it may be related to the auto listen / reimport feature. The callstack shares similarities to past tickets, such as:[Link Removed][Link R ...

Build failure after nativizing any child Blueprint class with function override (regression).

UE - Gameplay - Blueprint - Jun 7, 2018

Nativization regression in 4.20 preview 1. Cannot nativize overridden functions. Log Output:UATHelper: Packaging (Windows (64-bit)): D:/Projects/Unreal/NativizeMethod/Intermediate/Plugins/Nativized ...

[CrashReport] UE4Editor_PropertyEditor!SPropertyEditorAsset::GetObjectPropertyClass() [spropertyeditorasset.cpp:966]

Tools - Nov 23, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Class != NULL [Link Removed] [Line: 965] Source Context: 95 ...

[CrashReport] UE4Editor_Slate!FSlateApplication::RoutePointerMoveEvent() [slateapplication.cpp:5195]

UE - Editor - UI Systems - Slate - Jun 28, 2017

This is a longstanding crash that occurs with low frequency, but has affected over 200 users. One user describes that this occurred while packaging a project, although other users have not provided ...

Packaging to HTML5 fails when Online Framework is enabled

UE - Online - Nov 17, 2018

Packaging a project to HTML5 while Online Framework is enabled seems to cause packaging failures. It produces the following errors from the Output Log:   PackagingResults: Error: unresolved symbol: ...