Hidden widgets can still be clicked and moved in the designer tab (at design time)

UE - Editor - UI Systems - Oct 4, 2017

Widgets who's visibility has been set to false in the editor can still be clicked/dragged in the designer tab. ...

[CrashReport] UE4Editor_Renderer!FProjectedShadowInfo::AddSubjectPrimitive() [shadowsetup.cpp:793]

UE - Graphics Features - Oct 2, 2017

This is a trending crash coming out of the 4.18 Preview. User Descriptionsadded a directional light Source Context 779 const FPrimitiveSceneProxy* Proxy = PrimitiveSceneInfo->Proxy; ...

OnUrlChanged does not fire on mobile

UE - Platform - Mobile - Sep 28, 2017

When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...

No Blueprint compile warning with an improperly copied component reference

UE - Gameplay - Blueprint - Sep 19, 2017

When a blueprint's component reference is copied and pasted into a blueprint that does not have the copied component, the blueprint with the copied reference compiles Note: This occurs when the cop ...

[CrashReport] Mac crash - UE4Editor-Slate.dylib!SMenuAnchor::SetIsOpen()

UE - Platform - Apple - Sep 14, 2017

This is a common and longstanding Mac crash that has occurred since at least 4.11 and affected more than 40 users. Users have not provided any descriptions of their actions when the crash occurred ...

Visual flicker occurs with object during play

UE - Graphics Features - Sep 5, 2017

There is an issue occurring where objects are flickering, and what appears to be jittering at set distances when rendering, increasing the bounds of the mesh pushes the distance for the issue out. T ...

[CrashReport] Assertion failed: Size == CreateInfo.ResourceArray->GetResourceDataSize in d3d11vertexbuffer.cpp

UE - Graphics Features - Aug 22, 2017

This is a trending crash in the 4.17 release. Users have not provided descriptions of their actions when the crash occurred. Source Context 61 // If a resource array was provided for the ...

Function output nodes containing an array will cause packaging to fail when nativizing blueprints

UE - Gameplay - Blueprint - Aug 14, 2017

If a blueprint contains a function with an array output and the project is being nativized, the package will fail with an error similar to "error C2679: binary '=': no operator found which takes a r ...

Audio volume values get reset

UE - Anim - Sequencer - Aug 9, 2017

Also confirmed in 4.22 Main @ CL 4413632 ...

[CrashReport] UE4Editor_Renderer!FUniformMeshConverter::Convert()

UE - Graphics Features - Aug 3, 2017

This is a regular crash that has occurred through 4.16 and into the 4.17 previews. The callstack is similar to [Link Removed] (invalid), although the error message is different. User Description ...