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] Assertion failed: Canary == ShaderMagic_Initialized

UE - Graphics Features - Jun 13, 2017

This is a common crash among the community since at least the 4.14 release. Additional information is not currently available. This is spread among numerous different CrashGroups between releases w ...

[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 ...

Physics simulation shows strange behavior with specific skeletal mesh configurations

UE - Simulation - Physics - Mar 3, 2017

PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...

[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 ...

[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 ...

[CrashReport] UE4Editor_SequenceRecorder!<lambda_ffd596aba4580204f4fb2f5c21d9754c>::operator() [actorrecording.cpp:139]

UE - Anim - Sequencer - Oct 12, 2017

This is a common and longstanding crash that has occurred since at least 4.14. User DescriptionsRecording sequencer cinematic on character panw. Using Vr static meshes. A sequencer object was alrea ...

[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()

UE - Gameplay - Blueprint - Sep 8, 2017

This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...